I've just fitted the infamous timing belt kit to a P reg 300Tdi disco at the
garage where I work part time . the key had sheared on the timing belt
pulley on the crank but amazingly it was still running - all be it very
badly and making a hell of a noise!! Thankfully the key way in the crank was
fine so a new key and the kit sorted it out.
Any way, I took it for a test drive before the owner picked it up to check
it was running ok and not suffering from bent valves or any other nasty
surprises. and was truly shocked to feel how well it accelerated! It was a 5
door model, 168k miles on the clock and had the electronic fuel pump control
but it would have left our 3 door model, 165k miles, for dead! It pulled
well from 1500RPM with a good surge from 1800RPM up. Our 300Tdi doesn't
really do anything until 2000RPM and even then couldn't be described as
"pulling well".
Is our engine just showing its age or do the engines with the elastic
trickery pumps make more power and torque? I've been meaning to stick a
boost gauge on ours for ages to see what the turbo is doing but just have
never got around to it. How does this sound in comparison to other peoples
experiences??
Thanks! Toby
fanie - 29 Oct 2004 07:13 GMT
See my Thread Power of 300Tdi Below.
Regsards Fanie
beamendsltd - 29 Oct 2004 08:31 GMT
> I've just fitted the infamous timing belt kit to a P reg 300Tdi disco at the
> garage where I work part time . the key had sheared on the timing belt
[quoted text clipped - 18 lines]
>
> Thanks! Toby
It's just a personal theory, but I've found that 200/300Tdi's
that have been thrashed mercilessly round the motorways
always go alot better than one's that have been taken care
of. My 110, when I got it at 70,500 would barely make 85mph,
and was sluggish towing. Now, at 226,000, it does 95mph
easily (and has done over 100 acording to the speedo)and
tows wonderfully.
Richard

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Austin Shackles - 29 Oct 2004 13:08 GMT
>It's just a personal theory, but I've found that 200/300Tdi's
>that have been thrashed mercilessly round the motorways
[quoted text clipped - 3 lines]
>easily (and has done over 100 acording to the speedo)and
>tows wonderfully.
low mileage pootlers never run 'em in properly :-)
actually, there some truth in that, also, they get clagged up if not
thrashed a bit now and then.
GbH - 29 Oct 2004 15:17 GMT
>> It's just a personal theory, but I've found that 200/300Tdi's
>> that have been thrashed mercilessly round the motorways
[quoted text clipped - 8 lines]
> actually, there some truth in that, also, they get clagged up if not
> thrashed a bit now and then.
Don't we all?
GbH - 29 Oct 2004 15:16 GMT
> I've just fitted the infamous timing belt kit to a P reg 300Tdi disco
> at the garage where I work part time . the key had sheared on the
[quoted text clipped - 10 lines]
> surge from 1800RPM up. Our 300Tdi doesn't really do anything until
> 2000RPM and even then couldn't be described as "pulling well".
Clearly you need to sheer the crank key and get it fixed!
> Is our engine just showing its age or do the engines with the elastic
> trickery pumps make more power and torque? I've been meaning to stick
[quoted text clipped - 3 lines]
>
> Thanks! Toby
Peter Seddon - 29 Oct 2004 21:37 GMT
> I've just fitted the infamous timing belt kit to a P reg 300Tdi disco at
> the
[quoted text clipped - 22 lines]
>
> Thanks! Toby
I thik the electronic thingy boosts the power to 130 bhp, ISTR it was done
to make the autos perform like the manual versions.
~Peter.
TVS - 30 Oct 2004 15:54 GMT
Thanks for all the replies!
Another oddity that I've noticed between our disco and the one I test drove
was the gearing. ours does about 42mph @ 2k rpm which is 21mph/1k rpm and
the one I test drove did 40mph @ 1,500rpm or 26.5mph/1k rpm. Yet being a 5
door, and there for heavier, and having MUCH taller overall gearing it FAR
quicker! Perhaps that electric trickery does give them 130hp??
I do think the turbo on ours needs an over hall. I was paying particular
attention just now (on my way to get some series 3 parts - but they where
shut) it feels like peak torque is made at about 2,600rpm - if I hold the
throttle steady, gauge acceleration with my backside and watch the
rev-counter. Need to change gear from 1st to 3rd at 3k rpm to stop the revs
dropping below 2k. The drop between 4th and 5th is a bit smaller so I change
at about 2,700rpm. I've heard that turbos tend to last up to 150k miles so
perhaps its time to rebuild?
Its becoming clear that not all 300Tdi discos where created equal! Is there
any info on the variations about?
Thanks! Toby
Steve Taylor - 30 Oct 2004 15:57 GMT
> I do think the turbo on ours needs an over hall. I was paying particular
> attention just now (on my way to get some series 3 parts - but they where
[quoted text clipped - 4 lines]
> at about 2,700rpm. I've heard that turbos tend to last up to 150k miles so
> perhaps its time to rebuild?
Are you sure you're GETTING turbo boost ? If nothing else, rev the
(warm) engine while holding the pipe to the inlet manifold, you should
feel it swell beneath your hands. As it were.
Steve
Lee_D - 30 Oct 2004 20:52 GMT
> Are you sure you're GETTING turbo boost ? If nothing else, rev the (warm)
> engine while holding the pipe to the inlet manifold, you should feel it
> swell beneath your hands. As it were.
>
> Steve
erm....
have you posted this in the right group Steve?
;-)
Lee D

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Mother - 30 Oct 2004 20:57 GMT
>have you posted this in the right group Steve?
Who cares... I'm waiting for the next bit... ;-)
Steve Taylor - 30 Oct 2004 21:16 GMT
>>have you posted this in the right group Steve?
>
> Who cares... I'm waiting for the next bit... ;-)
....be careful, if it gets too hard, you can blow the top off.
Steve
Richard Brookman - 31 Oct 2004 17:37 GMT
So Steve Taylor was, like
>> have you posted this in the right group Steve?
>>
>> Who cares... I'm waiting for the next bit... ;-)
>>
> ....be careful, if it gets too hard, you can blow the top off.
Isn't that one of those situations where you hold a rag over the top to stop
all the bits flying everywhere?

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