Daily driver 2.4 or 2.5 project - target 450 BHP/400lbft reliable
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From: 32 cylinders and many cats
No, but I usually do lift a little, T-uk didn't on the best runs. PowerFC did have a peak of 7800 RPM when the rev limiter is 7500 RPM.
Skyline... not sure it would be nimble enough as a Scooby replacement on roads I like, and for the same power to weight as a Scooby I think I would be spending more on gearboxes.
I still can't get over the balance of T-uk's 340 BHP Scooby on the back roads. I can use so much of the engine performance compared with mine because it is so planted on its suspension, I don't notice any lag as it is really easy to keep on the boil even only using 7000 RPM. What it has is just used so much more efficiently and neatly than my car, and that ultimately makes it at least as satisfying!
A package like that with interior build quality and refinement.... just a tadge more power for the new age shell
Skyline... not sure it would be nimble enough as a Scooby replacement on roads I like, and for the same power to weight as a Scooby I think I would be spending more on gearboxes.
I still can't get over the balance of T-uk's 340 BHP Scooby on the back roads. I can use so much of the engine performance compared with mine because it is so planted on its suspension, I don't notice any lag as it is really easy to keep on the boil even only using 7000 RPM. What it has is just used so much more efficiently and neatly than my car, and that ultimately makes it at least as satisfying!
A package like that with interior build quality and refinement.... just a tadge more power for the new age shell
scary !
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What spec is T-uk's chassis?
My hill climb Sti v3 seems almost as fast on the stock 313 bhp engine than the wizzo 407 engine as it stands today.
Sometimes i wonder what a V8 Sti with a good Whiteline suspension/decat/Apexi fc would be like on slicks in comparison?
Graham.
My hill climb Sti v3 seems almost as fast on the stock 313 bhp engine than the wizzo 407 engine as it stands today.
Sometimes i wonder what a V8 Sti with a good Whiteline suspension/decat/Apexi fc would be like on slicks in comparison?
Graham.
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From: 32 cylinders and many cats
T-uk's chassis is a MY00 UK with KW variant 3 coilovers, >2.5 degrees negative camber, strut braces, "anti-lift" kit, larger rear ARB (whiteline on medium setting), 17s, Goodyear F1s, AP 6 pots.
This is my first performance car so I daresay I have been hoodwinked by the effects of straight line performance. However, as my driving grows into what I've modified I get into lower power cars and go at least as fast, and if they have good suspension I'm in heaven, hopefully by staying between the hedges
As a competition car I think he feels it is a little soft... as a road car
Power band is lovely on the TD05 with the 2.0, so easy to keep on the boil.
This is my first performance car so I daresay I have been hoodwinked by the effects of straight line performance. However, as my driving grows into what I've modified I get into lower power cars and go at least as fast, and if they have good suspension I'm in heaven, hopefully by staying between the hedges
As a competition car I think he feels it is a little soft... as a road car
Power band is lovely on the TD05 with the 2.0, so easy to keep on the boil.
John, BMW 330D; fast, tidy handling, ecconomical, good residuals and well built...oh and they can be tweeked to produce silly power very easily, without wrecking the ecconomy 
I found that when I stopped using the Scoob everyday and bought my Focus TDCi the combined insurance with the Scoob on 4k pa plociy and the Focus on unlimited with Cat 1 business use (as the Scoob had been before) that it was cheaper to insure and tax both cars than just the Scoob
I found that when I stopped using the Scoob everyday and bought my Focus TDCi the combined insurance with the Scoob on 4k pa plociy and the Focus on unlimited with Cat 1 business use (as the Scoob had been before) that it was cheaper to insure and tax both cars than just the Scoob
Thread Starter
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From: uk
No, but I usually do lift a little, T-uk didn't on the best runs. PowerFC did have a peak of 7800 RPM when the rev limiter is 7500 RPM.
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Another 2.5L build in Aust.
Hi John,
I have been following your developments with interest as I have gone down the same track. ie. 2.5L TD06/05 etc. The engine is now setup with a 'RUN IN' tune. boost 0.7 & 6000rpm limit and is looking good. Having seen your problems I am concerned as to the integrity of the head gaskets when I get the final tune ie. 1.24 boost & 7200rpm. You indicated that the problem may have been in advancing the timing too far. Could you let me know what timing you have settled with across the rev range.
I have been following your developments with interest as I have gone down the same track. ie. 2.5L TD06/05 etc. The engine is now setup with a 'RUN IN' tune. boost 0.7 & 6000rpm limit and is looking good. Having seen your problems I am concerned as to the integrity of the head gaskets when I get the final tune ie. 1.24 boost & 7200rpm. You indicated that the problem may have been in advancing the timing too far. Could you let me know what timing you have settled with across the rev range.
Originally Posted by john banks
T-uk's chassis is a MY00 UK with KW variant 3 coilovers, >2.5 degrees negative camber, strut braces, "anti-lift" kit, larger rear ARB (whiteline on medium setting), 17s, Goodyear F1s, AP 6 pots.
This is my first performance car so I daresay I have been hoodwinked by the effects of straight line performance. However, as my driving grows into what I've modified I get into lower power cars and go at least as fast, and if they have good suspension I'm in heaven, hopefully by staying between the hedges
As a competition car I think he feels it is a little soft... as a road car
Power band is lovely on the TD05 with the 2.0, so easy to keep on the boil.
This is my first performance car so I daresay I have been hoodwinked by the effects of straight line performance. However, as my driving grows into what I've modified I get into lower power cars and go at least as fast, and if they have good suspension I'm in heaven, hopefully by staying between the hedges
As a competition car I think he feels it is a little soft... as a road car
Power band is lovely on the TD05 with the 2.0, so easy to keep on the boil.
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From: 32 cylinders and many cats
Might get the gearbox back on Friday, but I doubt I will be ready to try to breach 500/450 at Dastek on Saturday or Crail on Sunday 
Must be sensible... especially with a rebuilt gearbox LOL.
Must be sensible... especially with a rebuilt gearbox LOL.
, I am interested to see the figures since that is exactly what you ran at crail.
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From: Lancashire
Graham,
I said Phase 2 because from your perspective it's pretty irrelevant as fitting Ph.2 heads to a Ph.1 car is asking for a heap of problems, both mechanical and electrical. All can be overcome but the returns aren't really worth the effort (IMHO).
Why have I suddenly started taking an interest in all these 2.5 threads...
I said Phase 2 because from your perspective it's pretty irrelevant as fitting Ph.2 heads to a Ph.1 car is asking for a heap of problems, both mechanical and electrical. All can be overcome but the returns aren't really worth the effort (IMHO).
Why have I suddenly started taking an interest in all these 2.5 threads...
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Because JB is showing that a good engine can be had with due care and attention!
I wish i had the guts to actually make my Sti a real track car, gutted and with a 2.5/6 speeder and use my V3 407 bhp engine as the donar. Would gain a huge 100 lbft EXTRA, imagine that in a hill climber!
It is such a sensible thing to do....
Graham.
I wish i had the guts to actually make my Sti a real track car, gutted and with a 2.5/6 speeder and use my V3 407 bhp engine as the donar. Would gain a huge 100 lbft EXTRA, imagine that in a hill climber!
It is such a sensible thing to do....
Graham.
Graham, you (should) have some the best profile cams for an Impreza engine out of the box in your Sti 3, very similar to the ones I'm running (in lift but perhaps not in duration), you also have the advantage with phase 1 heads being slightly less prone to cracking between the exhaust valve seats and spark plug hole...although phase 1 still crack, they don't seem to crack quite as deeply or readily as phase 2. A bit of flow work on the ports and combustion chambers seems to work very nicely too...at the end of which it seems to make very little difference whether you started with phase 1 or 2 heads...
Alford is up in Scotland, about 20 miles west of Aberdeen on the A944. It's used in a couple of sprint championships north of the border. It can't be classed as a hillclimb, as it's flat
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From: home
Originally Posted by Tim W
Graham, you (should) have some the best profile cams for an Impreza engine out of the box in your Sti 3, very similar to the ones I'm running (in lift but perhaps not in duration), you also have the advantage with phase 1 heads being slightly less prone to cracking between the exhaust valve seats and spark plug hole...although phase 1 still crack, they don't seem to crack quite as deeply or readily as phase 2. A bit of flow work on the ports and combustion chambers seems to work very nicely too...at the end of which it seems to make very little difference whether you started with phase 1 or 2 heads...
