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Car Forum / Jeep / October 2006

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Fuel Injection Conversion

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Spdloader - 27 Oct 2006 02:17 GMT
Just picked up an '87 Wrangler for a mere song. I'm going to change it over
to fuel injection, but don't remember where to buy the Holley projection
kit.

Any one with the link?

Or, anyone with a better idea for fuel injection than the Holley?

Spdloader

1987 Jeep Wrangler
4.2L, Poser, bone stock, but all new tub and fenders.

1997 Jeep Wrangler
2.5L Poser
Micah - 27 Oct 2006 03:50 GMT
Mopar makes an FI kit that will set you back around $2k.  Howell's will
run around $1200.  I didn't even know Holley made a fuel injection kit
for the YJ.

> Just picked up an '87 Wrangler for a mere song. I'm going to change it over
> to fuel injection, but don't remember where to buy the Holley projection
[quoted text clipped - 11 lines]
> 1997 Jeep Wrangler
> 2.5L Poser
Spdloader - 27 Oct 2006 03:59 GMT
Thanks, found this, too.

http://www.fourwheeler.com/techarticles/129_0309_efi_fuel_injection_258ci_jeep/p
hoto_01.html


The old Holley kit was called "YJ pro-jection". It may no longer be
available.

Spdloader

> Mopar makes an FI kit that will set you back around $2k.  Howell's will
> run around $1200.  I didn't even know Holley made a fuel injection kit
[quoted text clipped - 16 lines]
>> 1997 Jeep Wrangler
>> 2.5L Poser
L.W.(Bill) Hughes III - 27 Oct 2006 08:56 GMT
http://www.holley.com/502-20S.asp
       God Bless America, Bill O|||||||O
mailto:LWHughes3rd@aol.com http://www.billhughes.com/

> Just picked up an '87 Wrangler for a mere song. I'm going to change it over
> to fuel injection, but don't remember where to buy the Holley projection
[quoted text clipped - 11 lines]
> 1997 Jeep Wrangler
> 2.5L Poser
Spdloader - 27 Oct 2006 10:22 GMT
Well, I found that one too, but it says it's only for V-8 applications.
Spdloader

> http://www.holley.com/502-20S.asp
>        God Bless America, Bill O|||||||O
[quoted text clipped - 16 lines]
>> 1997 Jeep Wrangler
>> 2.5L Poser
L.W.(Bill) Hughes III - 27 Oct 2006 20:40 GMT
I thought it would be worth a call, in that it just showed they
still make them. This number was for a 670 CFM which you wouldn't need
until you were above 8,000 RPMs:
http://www.billhughes.com/temp/258cfm8000.jpg
       God Bless America, Bill O|||||||O
mailto:LWHughes3rd@aol.com

> Well, I found that one too, but it says it's only for V-8 applications.
> Spdloader
Earle Horton - 27 Oct 2006 17:46 GMT
Why?

Earle

> Just picked up an '87 Wrangler for a mere song. I'm going to change it over
> to fuel injection, but don't remember where to buy the Holley projection
[quoted text clipped - 11 lines]
> 1997 Jeep Wrangler
> 2.5L Poser

Signature

Posted via a free Usenet account from http://www.teranews.com

Spdloader - 29 Oct 2006 00:07 GMT
I don't really have a good reason Earle, just that I've always wanted to do
it.
Not sure why. Plus, it'll be winter soon and I'm needing a basement project.

Spdloader

> Why?
>
[quoted text clipped - 16 lines]
>> 1997 Jeep Wrangler
>> 2.5L Poser
Dave Milne - 29 Oct 2006 00:29 GMT
I'm really not the one to comment on US suppliers, but try Summit Racing.
I've been happy with their service, but they may not be the cheapest.

Didn't see a version for the 258, but they sell one version for AMC engines
at  851.95 bucks, so I suspect they could get it for you.
http://store.summitracing.com/partdetail.asp?autofilter=1&part=HLY%2D502%2D20S&N
=700+400178+300743+115&autoview=sku


Looks a whole lot cheaper than the Mopar version at 2500 bucks !

Dave Milne, Scotland

> >> Just picked up an '87 Wrangler for a mere song. I'm going to change it
> > over
[quoted text clipped - 4 lines]
> >>
> >> Or, anyone with a better idea for fuel injection than the Holley?
Spdloader - 29 Oct 2006 02:51 GMT
Thanks Dave!

Spdloader

> I'm really not the one to comment on US suppliers, but try Summit Racing.
> I've been happy with their service, but they may not be the cheapest.
[quoted text clipped - 17 lines]
>> >>
>> >> Or, anyone with a better idea for fuel injection than the Holley?
Jeffrey DeWitt - 28 Oct 2006 03:21 GMT
What about finding a fuel injected parts Jeep and using those parts to
convert yours?

Jeff DeWitt

> Just picked up an '87 Wrangler for a mere song. I'm going to change it over
> to fuel injection, but don't remember where to buy the Holley projection
[quoted text clipped - 11 lines]
> 1997 Jeep Wrangler
> 2.5L Poser
Spdloader - 29 Oct 2006 00:07 GMT
That's a good idea too.

Spdloader

> What about finding a fuel injected parts Jeep and using those parts to
> convert yours?
[quoted text clipped - 16 lines]
>> 1997 Jeep Wrangler
>> 2.5L Poser
Simon Juncal - 29 Oct 2006 13:38 GMT
> Just picked up an '87 Wrangler for a mere song. I'm going to change it over
> to fuel injection, but don't remember where to buy the Holley projection
> kit.

They're on ebay regularly for usually about half the price of a new one.

> Any one with the link?
>
> Or, anyone with a better idea for fuel injection than the Holley?

Speaking as someone with an 88 YJ with 258 that has a 4.0 head
conversion, Cold air intake, Hesco RVOB06 Cam, Comp Cams Anti-Pump up
lifters. 4.0 header, mandrel bent 2.5 /w Flowmaster, Holley Pro-Jection,
TFI ignition upgrade, Crane double roller timing set... That is sitting
on a block with great oil pressure, round cylinders/walls and good hone
marks with normal compression.

I would estimate that these mods all netted me at most 35 horse power,
most of it down low off idle which is nice but means it's still a pig on
the highway it just doesn't compare to the better breathing 4.0 which
has just as much if not more low off idle torque than the 4.2 but also
revs past 3500 RPM's willingly and more importantly very quickly. My YJ
is still not as powerful at ANY RPM as my stock 4.0, and it's a world
apart from my 4.6 stroked XJ not even half as powerfull if even that.

For the price of a new Pro-Jection kit you can easilly get a running XJ
as a donner, a whole drive train could cost LESS than a used Pro-jection
2d system, which sell for $450 $500 bucks regularly on Ebay. In contrast
I just watched a decent AW4 (4.0 auto transmission from an XJ) with TC,
flywheel, bellhousing, computer and cables sell for $41 dollars.

Best part is, you're only a winter project away from a 4.6 stroker Using
the old 4.2 as a donner for the crank and rods... It's basically
worthless for anything else anyway as no one pays anything for them.
Generally they aren't even worth the cost of shipping them.

Actually maybe the best part is you get rid of that French transmission
and you can use anything from a solid AX15, an NV3550 or a current 6
speed. Which were all mated to the 4.0 in Wranglers and are thus easy swaps.

This isn't the same animal as putting a 350 in it, there's no motor
mounts to weld, no trans mounts or adapters, no new T-case to deal with.
drive shafts aren't an issue Basically it's all bolt in, minor fab or
available off a later YJ (92 to 95) or TJ...

Signature

Simon
"I may be wrong, but I'm not uncertain." -- Robert A. Heinlein

Spdloader - 29 Oct 2006 14:01 GMT
>> Just picked up an '87 Wrangler for a mere song. I'm going to change it
>> over to fuel injection, but don't remember where to buy the Holley
[quoted text clipped - 41 lines]
> shafts aren't an issue Basically it's all bolt in, minor fab or available
> off a later YJ (92 to 95) or TJ...

Thanks, great post!

Spdloader
 
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