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Car Forum / Alfa Romeo Cars / April 2005

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Dual Weber Carb Problem with Choke

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~Zaitsev - 03 Apr 2005 17:40 GMT
I need to install a manual choke on these carburetors.

I ordered a book but it doesn't say anything about chokes.  I need to
disconnect the existing choke and install the manual choke.

Or can I get a replacement for the automatic choke that doesn't seem
to function properly?

Thanks.

W Roberts
San Antonio, TX
0_Qed - 04 Apr 2005 02:01 GMT
> I need to install a manual choke on these carburetors.
>
[quoted text clipped - 3 lines]
> Or can I get a replacement for the automatic choke that doesn't seem
> to function properly?

Mite 'help' to know which Weber Model ...
?? side draft dualies, paired for an AR 4_cyl ???
?? else ???

Ed
~Zaitsev - 08 Apr 2005 23:54 GMT
>> I need to install a manual choke on these carburetors.
>>
[quoted text clipped - 9 lines]
>
>Ed

Whoops. Just looked under the hood (got the car last week). It's fuel
injectec.

Did '73s have a FI option?  At anyrate, the mixture is way to rich.
MPG is down and it backfires when I let off the accelerator.

Previous owner said that it needed a repair because if it was leaned
out it wouldn't start on cold AMs.

I guess my question now is do fuel injectioned engines have an
automatic choke? And what would I have to read up on to have the
engine leaned out and still start on cold mornings.

Thanks, Ed.

W Roberts
San Antonio, TX
0_Qed - 09 Apr 2005 02:05 GMT
...snip...

> Whoops. Just looked under the hood (got the car last week). It's fuel
> injectec.

ROTFLMFAO !!!

> Did '73s have a FI option?  At anyrate, the mixture is way to rich.
> MPG is down and it backfires when I let off the accelerator.
>
>  Previous owner said that it needed a repair because if it was leaned
> out it wouldn't start on cold AMs.

???
Good grief ... what happens at 10 below zero ???
My 69 1750 Spyder started well at those temps, but hadda be careful to
go easy till it warmed up ... didnt want to pop a cyl insert seal.

> I guess my question now is do fuel injectioned engines have an
> automatic choke? And what would I have to read up on to have the
> engine leaned out and still start on cold mornings.

-Starting-
There usta be a 'purple' Lodge plug , dual electrodes ...
and a good coil ...
helped fire a cold/mildly_lean fuel mixture.

You dont want TOO lean ... burns piston tops.
The 1750 is an interferance "fit" engine, btw.
Yung Sun can tell you about that ... <VBFG>
the engine is a ultra_hi rever, requiring cam timing tweaking ,
a special cam 'grind' if you're finicky.

See if you can find someone in the SCCA in your area ...
most likely someone races one.
Stock, but tweaked, they can EAT a Porche easy.
Drives well sidewize.

> Thanks, Ed.
>
> W Roberts
> San Antonio, TX

Not all that sure, but ... I think the '69_on 1750 4_cyl had Spica FI
as shipped to the USA ...
1600's usually had down_draft Webbers ... maybe Solex.  Dual SD Webbers
were special order.

Dual Webber, dual_side_draft was an also after market option ... 1 carb
per cyl.

The Spica fuel inj pump had a thermo fuel inrichment system ... a
"choke" ..
operated by an elastomeric filled bulb immersed in the cooling system ,
heat expqanded the elastomeric , which actuated the pump_internal
enrichment mechanicals ...
also,
there was a barometric ( elevation ) mechanism ... a bellows ...
which leaned the mixture at elevation .

Been a 'while' since I fooled with `em ... Webber/Spica .
Usta have a pint of mercury for a glass manometer ... for Webbers.
The ball/cone devices were not repeatable.

Between the 'thermo' & the 'elevation' adjustments ...
its a black art ... touchy feelie.
Measure nut/bolt positions, take notes.
Seems like I made a protractor_jig for adjusting 'something' on the pump
... :-)

If you're not familiar with the internals of a demounted Spica ,
best take 'it' to someone whos been "inside" one ...
Some few special Alfa wrenches req'd ... you can kludge a set easily.
Best done with cam timing marks =all= aligned & notes taken of the
pump drive gear( tooth ) engagement points.

Essentially, each of the Spica 4 pump piston/crank asslys has an
'adjustment' which
changes the amount of fuel pumped & injected ... activated by the
aforementioned
thermo(engine heat)/elevation gizmos ...
Take "one" apart ... easy to see how they work.
Nah! Not unless you do it to a 'spare' ... seriously.

One pump 'piston', direct,  per cylinder ...
vastly more expensive than the sprtitz & hope type ...
a better method but costly.

Back 'then' , there werent =any= Spica manuals ... top secret ... <VBFG>

With a good email addy(yours) I can put you in touch with my Yung Sun
who has
successfully been "inside" more than several times ...
hes a bit more familiar than I ...
Hopefully, you've 24/7 long distance .

I recall that I kludged up a mechanical cable replacement for the thermo
actuator ... took a bit of machining & tweaking but worked well.
The replacement thermo actuator asslys were a bit too expensive & hard
to find.
Think I used a bike clutch cable & sheath ... push/pull capable ...
and the bottom part of the (brass) thermo actuator.

Its possible that
a) the thermo bulb is shot, =easy= to test ...
or
b) the elevation bellows needs a tweak ... needs the special wrench .

"b)" aughta be the rearmost gizmo on the pump ... looks like a steam
radiator
air release valve .
"a)" is the beastie with the small dia cap steel tube leading to the eng
block fitting.

Ed
~Zaitsev - 09 Apr 2005 08:01 GMT
>???
>Good grief ... what happens at 10 below zero ???

10 below zero?  If that happens I move to Mexico.  
0_Qed - 09 Apr 2005 13:03 GMT
> >???
> >Good grief ... what happens at 10 below zero ???
> 10 below zero?  If that happens I move to Mexico.

:-)
Coward.

Seriously ...
find a good AR wrench with gray(white?) hair ...
most have been inside a Spica.

I usta run a 69 Spyder in the hills of western NE ... lotsa snow &
below_0 temps.
With the proper 'tune', it started well but hadda go easy till it warmed
up.

Its too bad you're not close to NE ... a great AR shop up in NH.

Ed
Catman - 09 Apr 2005 09:12 GMT
> ...snip...
<snip>
> Not all that sure, but ... I think the '69_on 1750 4_cyl had Spica FI
> as shipped to the USA ...
[quoted text clipped - 3 lines]
> Dual Webber, dual_side_draft was an also after market option ... 1 carb
> per cyl.

Wouldn't that make it one *choke* per cylinder?

> The Spica fuel inj pump had a thermo fuel inrichment system ... a
> "choke" ..
> operated by an elastomeric filled bulb immersed in the cooling system ,
> heat expqanded the elastomeric , which actuated the pump_internal
> enrichment mechanicals ...

That'll teach me to read the whole of the thread :)

<snip>

Sounds like a nightmare

Good luck to the OP

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0_Qed - 09 Apr 2005 13:09 GMT
> Wouldn't that make it one *choke* per cylinder?

Almost.
More of an "enrichment' system than a down_draft 'choke'.

> > The Spica fuel inj pump had a thermo fuel inrichment system ... a
> > "choke" ..
> > operated by an elastomeric filled bulb immersed in the cooling system ,
> > heat expqanded the elastomeric , which actuated the pump_internal
> > enrichment mechanicals ...
> That'll teach me to read the whole of the thread :)

Oh Well ... at least you open your bonnet(hood), once in a while.

> Sounds like a nightmare
> Good luck to the OP

Yes, it can be with no manuals.

Once you've disassembled one its not all that bad.

Ed
Catman - 09 Apr 2005 14:53 GMT
>> Wouldn't that make it one *choke* per cylinder?
>
> Almost.
> More of an "enrichment' system than a down_draft 'choke'.

I think we're getting our terminology confused (Two countries separated by a
common langauge and all that)

What I woudl refer to as twin choke carbs have two chokes per unit.  Choke
being the venturi where the main jets are situated as opposed to the other
common use of 'choke' to refer to an enirchment device.

If you had 4 twin choke webbers, you'd have enough venturis to feed 8
cylinders.

>> > The Spica fuel inj pump had a thermo fuel inrichment system ... a
>> > "choke" ..
[quoted text clipped - 4 lines]
>
> Oh Well ... at least you open your bonnet(hood), once in a while.

Frequently.  Although less as I get older / wealthier / shorter of time.  I
used to really enjoy fettling, but these days there are so many other
demands.

>> Sounds like a nightmare
>> Good luck to the OP
>
> Yes, it can be with no manuals.
>
> Once you've disassembled one its not all that bad.

They're pretty rare over here (AFAIK).  Simply weren't neede to comply with
the emission regs

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0_Qed - 09 Apr 2005 20:56 GMT
> >> Wouldn't that make it one *choke* per cylinder?
> > Almost.
> > More of an "enrichment' system than a down_draft 'choke'.
> I think we're getting our terminology confused (Two countries separated by a
> common langauge and all that)

The two barrel, side draft Webbers had an unusual 'choke' system.
Added fuel while using 'a' std air volume,
as opposed to
"choking" off the air volume using 'a' std fuel supply ...
the typical down draft choking butterfly 'valve', before( ahead of ) the
'jets'.

> What I woudl refer to as twin choke carbs have two chokes per unit.  Choke
> being the venturi where the main jets are situated as opposed to the other
> common use of 'choke' to refer to an enirchment device.
>
> If you had 4 twin choke webbers, you'd have enough venturis to feed 8
> cylinders.

:-)
You gotta be an untrained typist, rite handed  ==> 'woudl" ...
like me.

:-)
Cant recall the Webber modle_# ... a two bbl unit in a single casting ,
had a set of quick change ventuis, in various sizes, 'depending' ...
Two(2) such units required for the 1750 + another GD manifold + GD fuel
pump.

> >> > The Spica fuel inj pump had a thermo fuel inrichment system ... a
> >> > "choke" ..
[quoted text clipped - 8 lines]
> used to really enjoy fettling, but these days there are so many other
> demands.

:-)
Similar situation 'here' ...
I now drive a 4_cyl 4_spd_auto Camry ... easy, local, lo_cost service.
A ' slug^10 ' by comparison. Point "A" to "B", with no fun.

- 'fettling' -
??? aka 'tinkering' ???

I wish I could convince the LF to do 'that'. AGHhhh!

> > Yes, it can be with no manuals.
> > Once you've disassembled one its not all that bad.
> They're pretty rare over here (AFAIK).  Simply weren't neede to comply with
> the emission regs

=Great= units, once you understood the operation of it.
Too bad AR never allowed the publishing of a manual.
Lottsa 0.0001" tolernces ... needed a clean room for service.
No pint of merury required, no glass "U" tubes to break.

Ed
Catman - 09 Apr 2005 21:36 GMT
>> >> Wouldn't that make it one *choke* per cylinder?
>> > Almost.
[quoted text clipped - 3 lines]
>
> The two barrel, side draft Webbers had an unusual 'choke' system.

Two barrel:  Good phrase.

> Added fuel while using 'a' std air volume,
> as opposed to
> "choking" off the air volume using 'a' std fuel supply ...
> the typical down draft choking butterfly 'valve', before( ahead of ) the
> 'jets'.

Bloody hell.  How?

>> What I woudl refer to as twin choke carbs have two chokes per unit.
>> Choke being the venturi where the main jets are situated as opposed to
[quoted text clipped - 6 lines]
> You gotta be an untrained typist, rite handed  ==> 'woudl" ...
> like me.

Self taught.  120 mistakes a minute, me :)

> :-)
> Cant recall the Webber modle_# ... a two bbl unit in a single casting ,
[quoted text clipped - 19 lines]
> I now drive a 4_cyl 4_spd_auto Camry ... easy, local, lo_cost service.
> A ' slug^10 ' by comparison. Point "A" to "B", with no fun.

I know what you mean.  The 155 is a transport, the others are in storage
until we can find the means to finish them, then the time to enjoy them.
Damn I miss the Sprint........

> - 'fettling' -
> ??? aka 'tinkering' ???

Yep.  Words from 'another place'

> I wish I could convince the LF to do 'that'. AGHhhh!

Erm.  LF?  (I'm gonna regret that)

>> > Yes, it can be with no manuals.
>> > Once you've disassembled one its not all that bad.
[quoted text clipped - 5 lines]
> Lottsa 0.0001" tolernces ... needed a clean room for service.
> No pint of merury required, no glass "U" tubes to break.

AIUI it's a pretty good solution to an emissiosn porblem without the tech to
really solve it.

Like I said, though, my experiecne of SPICA is nil.  I can barely cope withe
FI on a V6 and that's (comparatively) simple.

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0_Qed - 10 Apr 2005 14:14 GMT
> > Added fuel while using 'a' std air volume,
> > as opposed to
> > "choking" off the air volume using 'a' std fuel supply ...
> > the typical down draft choking butterfly 'valve', before( ahead of ) the
> > 'jets'.
> Bloody hell.  How?

Because of the quick_change venturis(QCV), it wasnt possible to add a
butterfly
'choke' upstream of the jets ... the carb just spritized an added shot
of fuel
to the air stream ...
I'd heard of a similar Webber model, w/o the QVC,
that did have a 'typical butterfly 'choke' ...
never saw one, tho.

Yung Sun =quick= went back to the Spica FI system.

> > :-)
> > You gotta be an untrained typist, rite handed  ==> 'woudl" ...
> > like me.
> Self taught.  120 mistakes a minute, me :)

-touch typing-
I 'started' life as a 360 assembly language programmer ...
one only had eight(8) characters for "names" ... =jibberish= names were
the norm.
I =hadda= self_learn to type somewhat "well" ...
otherwize, my 3_day turnaround 'assemblies' came back in my face ...
which =forced= me to learn how to use "rep" card patches, on faulty
assemblies,
to get them to run.
Not a good way to 'program' since 'rep' cards provided =NO= written docs
at all.
I pity the poor guy/gal that "inhertited" my code.

> > I wish I could convince the LF to do 'that'. AGHhhh!
> Erm.  LF?  (I'm gonna regret that)

"LF" = Lady Friend ... SWMBO
I also have an "X" ... :-)

> AIUI it's a pretty good solution to an emissiosn porblem without the tech to
> really solve it.
> Like I said, though, my experiecne of SPICA is nil.  I can barely cope withe
> FI on a V6 and that's (comparatively) simple.

Musta driven the AR factory =nuts= with all the varying world emmission
stds ...

My "programming" expertise developed in the engineering/manufacturing
area ...

Configuration Management ... during our Cold War era ...
Documentation(penultimate accuracy) of what was 'in' the End Item ...
weapon system.
Lovingly called the "guzinta" problem ... 'goes into' corrupted.
"Form, Fit & Function", and Change_Control, personified in/on "paper".

Commercial 'folk' cant afford to do 'that' ... no how, no way.
I did a 'stint' on the Saturn program ...
the standard joke joke was " Geeze, I wonder WHAT was 'in' that one ."
Made fault "diagnosis' kinda tough ... go find the "parts" on the ocean
floor.

Our nuc_sub program was the best of the best , partly because of
stringent, ridgid, demanding 'docs' ... mostly.

I'm surprised that the AR folks could even come =close= to maintaining
a "near_close" serialized bill_of_material for 'production'.

Our USA 'folk' were horrible at the task.
Showed "up" when ordering 'spares'.
" Take it home, try it, bring it back if it doesnt fit & work ".
I often suspected that GM didnt even 'try'.

End of rant. :-)

Ed
Catman - 09 Apr 2005 09:07 GMT
>>> I need to install a manual choke on these carburetors.
>>>
[quoted text clipped - 12 lines]
> Whoops. Just looked under the hood (got the car last week). It's fuel
> injectec.

lol

> Did '73s have a FI option?  At anyrate, the mixture is way to rich.
> MPG is down and it backfires when I let off the accelerator.

Assuming this is a Spider?  I think most of them that went to your home
country were FI.  Spica mechanicla system.

>  Previous owner said that it needed a repair because if it was leaned
> out it wouldn't start on cold AMs.
>
> I guess my question now is do fuel injectioned engines have an
> automatic choke? And what would I have to read up on to have the
> engine leaned out and still start on cold mornings.

They have a 'cold start enrichment device'.  It's not a choke as such, but a
sensor or device that determines the ;ow temperature state and injects
extra fuel into the system.  I wonder if yours has failed and the 'fix' was
to have it shorted out (assuming it's electric) so that it was on all the
time.

Bear in mind that I'm basing this on general experience of FI engines, I've
never worked on Spica, so have no real idea of how CSE works.  Hopefully
Doc Entropy will stick his head in some time and help, although his first
words will probably be along the lines of 'Fit dual Webbers' :)

HTH
> Thanks, Ed.
>
> W Roberts
> San Antonio, TX

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0_Qed - 09 Apr 2005 13:37 GMT
...snip...
> Bear in mind that I'm basing this on general experience of FI engines, I've
> never worked on Spica, so have no real idea of how CSE works.  Hopefully
> Doc Entropy will stick his head in some time and help, although his first
> words will probably be along the lines of 'Fit dual Webbers' :)

:-)

Actually,
my experience(back "then") was that , on the same vehicle,
the Spica FI system ran much better than side_draft Webbers.

The Spica stayed in tune faultlessly ... Webbers needed constant
attention.

-new topic-
"We" screwed up one day ... <tear> ... when the cam_nut locking tab
"ears"
fell away ... off.

We continued turning the cams "inward" ...

Push started only at 30mph, =screamed= , finally Yung Sun walked back
thru
the back field ... a_foot.

We had a long, lonely strip of pavement out behind the house.

The cam_nuts came loose ... <tear>
we found out "what" interferance is(was).

Had 'we' had the Webbers installed, I doubt we would have experimented
...
wouldnt have bent_up a set of valves.

Then too, after a while ...
'we' got pretty good at getting the engine/trany outta the =his= spyder
...
Mine mostly stayed "in" the vehicle ... and ran well.
Admittedly,
'his' was the cleaner engine.

!Hey! Catman ...
a question for you ...
does  http://www.ebspares.co.uk  answer it's email ??? ...
info@ebspares.co.uk
I'm after some 164 V6 ignition electricals for the LF's 164  ...
this side of the Pond is bereft of spares & AR smarts , except for some
=few= places.

Ed
Catman - 09 Apr 2005 14:58 GMT
> ...snip...
>> Bear in mind that I'm basing this on general experience of FI engines,
[quoted text clipped - 11 lines]
> The Spica stayed in tune faultlessly ... Webbers needed constant
> attention.

Not sure which one's the Doc favours TBH.  I suspect side.  My Giulietta
used to have side draft Del'Ortos, but they needed balancing every 6
month's or so, as do the (IIRC) side draft Webbers on my Mother's 75
(Milano to you guys, not that you ever got a striaght 4 with carbs IIRC)

<snip painful experience>

> !Hey! Catman ...
> a question for you ...
[quoted text clipped - 3 lines]
> this side of the Pond is bereft of spares & AR smarts , except for some
> =few= places.

Not sure if they answer mail.  They certainly answer the phone when not too
busy, and have performed faultlessly on the occasions I have used them.  If
you run into issues, give me a shout.  Sure I can get delivery from them
and send em off across to you.

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0_Qed - 09 Apr 2005 21:36 GMT
> Not sure which one's the Doc favours TBH.  I suspect side.  My Giulietta
> used to have side draft Del'Ortos, but they needed balancing every 6
> month's or so, as do the (IIRC) side draft Webbers on my Mother's 75
> (Milano to you guys, not that you ever got a striaght 4 with carbs IIRC)

Yung Sun had a Milano 2000cc w/Spica FI ... USA edition ... tuned 'his'
way.
I bought him a set of hi_speed rubber ...
neither he, nor I, ever got to the "end" of it.
Not yer 'usual', sedate, elderly lady's vehicle.
??? 'She' get a lotta "tickets" ??? <lol>

> <snip painful experience>
YAhhh man !
use the cam_nut, tabbed washers twice ... two(2) times ...
Then dispose of same .
His "comment" ... " ... a few more seconds & I'da bent the needle. Damn!
"

> > !Hey! Catman ...
> > a question for you ...
[quoted text clipped - 8 lines]
> you run into issues, give me a shout.  Sure I can get delivery from them
> and send em off across to you.

Mite have to take you up on 'that' ...
her Yung Sun is having trouble getting her "ignition system" to run
properly .
He runs a 3rd_party, AR shop up in mid New Hampshire .
"Jo" ... for Joachim ... his Mom/Dad tagged him.
Her G_son is Nigel ... guess 'who'.
'She' is a Timing & Scoring official with SCCA over here.

I'm thinking
six(6) coil units,
and
the two(2) electronic units ahead of the coils, mounted on either bank
of the V6.
<gulp>
All on my 'tab'.

I'd hate to think of
replacing the ECU, which is 'functionally' ahead of the two(2) units
mentioned above.
<gulp^100>

"All" in the name of 'emmisions'.

Many thanks for your kind offer, =much= appreciated ,
anything 'here' you need ???
"Used", but new_in_a_box type stuff. <VBG>

Ed.
Catman - 09 Apr 2005 21:54 GMT
>> Not sure which one's the Doc favours TBH.  I suspect side.  My Giulietta
>> used to have side draft Del'Ortos, but they needed balancing every 6
[quoted text clipped - 7 lines]
> Not yer 'usual', sedate, elderly lady's vehicle.
> ??? 'She' get a lotta "tickets" ??? <lol>

Why on earth didn't they use the Mortronic electronic system they used over
here?

>> <snip painful experience>
> YAhhh man !
> use the cam_nut, tabbed washers twice ... two(2) times ...
> Then dispose of same .
> His "comment" ... " ... a few more seconds & I'da bent the needle. Damn! "

lol

>> > !Hey! Catman ...
>> > a question for you ...
[quoted text clipped - 18 lines]
> Her G_son is Nigel ... guess 'who'.
> 'She' is a Timing & Scoring official with SCCA over here.

> I'm thinking
> six(6) coil units,
[quoted text clipped - 3 lines]
> <gulp>
> All on my 'tab'.

Lucky, lucky

> I'd hate to think of
> replacing the ECU, which is 'functionally' ahead of the two(2) units
> mentioned above.
> <gulp^100>

Probably get scrapped quite cheap, over ehre.

> "All" in the name of 'emmisions'.
>
> Many thanks for your kind offer, =much= appreciated ,
> anything 'here' you need ???
> "Used", but new_in_a_box type stuff. <VBG>

I doubt it TBH.  Most of my stuff needs either off the shelf bits (in the
Sprint's case) or serious custom bits (In the 116 case,  It needs a custom
ECU to cope with the cams we put in.  Fueling is utterly buggered ATM)  One
of the reasons I haven't moved to the US is Alfa spares :)

Let me know if you want stuff shipped over though.  chris at systemlabs dot
co cot uk is a good adress to reach me on.  The reply address tends to get
swamped by spam......

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0_Qed - 10 Apr 2005 15:19 GMT
> > Yung Sun had a Milano 2000cc w/Spica FI ... USA edition ...
...snip...
> Why on earth didn't they use the Mortronic electronic system they used over
> here?

Dunno.
Yung Sun had a 3rd_party, CD electronic( a DIY kit) 'box' that provided
more than enuf spark ... for his 'tune'.
Turned me 'white' one day. Too much for a WASP to handle.
Didnt have to use the 'purple' plugs anymore, either.

> >> <snip painful experience>
> lol

"That" experience prompted the purchase of a (retrieval) car_dolly.
Always =had= one, ever since .

The LF's 164 blew an ailing clutch, =just= as she mounted my car_dolly.
The look(her's) of =total= shock , when the throw-out bbg blew , was
priceless.
Stalled the engine, up against the dolly wheel blocks ... in gear.
The more I laughed, the angrier she got.
Whoa! That was funny. Or, so I thot.

...snip...
> Lucky, lucky

:-)
Actuaally,
a "LF" is cheaper to 'maintain' than a big sailboat.

> > Many thanks for your kind offer, =much= appreciated ,
> > anything 'here' you need ???
[quoted text clipped - 3 lines]
> ECU to cope with the cams we put in.  Fueling is utterly buggered ATM)  One
> of the reasons I haven't moved to the US is Alfa spares :)

In 'truth' ...
I was refering to PC parts ...
anything "AR" is long since gone from our wrecking yards.

Custom "ECU" ...
can you dump the prom(eeprom?) chip code, hack it to suit ???
Not all that daunting a 'task' , depending upon the mcu used.

If I can 'hack' a modular bios "load" ... ".bin" file ...
you aughta be able to find a 'coder' who can hack your ECU's code.  
It almost seems that the folk that market the 'chip-tune' devices mite
be
able to manage that. But, at a price.

There are off-the-shelf 'boxes' that can pulse-count in real time ,
convert real-time "counts" , in various ways ,
send the 'converted' count onward.
Kinda 'kludgy' tho ... better to hack the code.

I'd bet that a local bios ".bin" file hacker mite be able to modify the
code
for you  ... use a cheap(??) spare ECU modified with a socketed
prom/eeprom .

There is a guy on your 'side' that repairs mobos, he mite be persuded to
do the task for you ... will resurrect(sp?) his email addy for you.

On our 'side', we got "Homie" , of world renown ... the "Cap" problem.

> Let me know if you want stuff shipped over though.  chris at systemlabs dot
> co cot uk is a good adress to reach me on.  The reply address tends to get
> swamped by spam......

;_(
Sadly,
I had an email addy that dated from the early 90s ...
the spam "load" made me dump it. Filters were useless.
Bastards!

Ed.
alfistagj - 09 Apr 2005 11:28 GMT
> Whoops. Just looked under the hood (got the car last week). It's fuel
> injectec.

Should be a Spica pump then.
Check http://www.wesingram.com/ the most reliable knowledge source on
Spica's (Believe me, I have a Montreal with 8 cyl. Spica)
You can also check www.alfamontreal.info and look at the things they say
about the Spica, TA etc.
The how-to's are quite extensively described.
Although all in reference to the 8 cyl version, but the principles will be
the same.
My assumption is the TA (temperature actuator) is defective
Just give Wes a call and I guess he'll have some free tips
Signature

Ciao from Holland
AlfistaGJ (Gert-Jan)
Rosso Radicofani GT 2.0JTS
Golden Montreal 1428700 (1973/4)

 
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