Reply With QuoteGot any boost graphs? A monster 100hp @ 4k rpm and the torque is lower than I would have expected?
Well it has been a long time coming, but credit to Cetin for sticking with this build over the last year or so. It is a very highly specced Punto GT, certainly a lot of effort has gone into the build with some interesting solutions to achieving his goals. Tuning isn't a simple game, and budget is invariably a constraint at any level, but nevetheless the results are excellent. This is one very fast Punto... indeed this is one very fast car!
1.6bar (23psi)
293bhp @ 7389rpm
218lbs/ft @ 6717rpm
255 wheel power @ 7266rpm
There are a few limitations to the current setup, therefore it should see the other side of 300bhp with a few more updates. First up are the injectors, unfortunately there was a problem with the 440cc injectors as supplied by Cetin, so we had to make do with 375cc injectors. These found their limit above 1.6bar i.e. 100% duty, therefore it was not possible to push any further, especially in terms of a higher rpm limiter. However, fuel requirements aside, it is the 2.25" exhaust that is causing the biggest restriction. Once this has been changed to a freer flowing 2.5" exhaust we should see some gains in turbo spool as well as top end power.
Regarding the ECU, well there is certainly no requirement to go stand alone. The factory Bosch Motronic ECU along with our "Big MAF" conversion is extremely powerful, and will go far beyond the requirements of any GT. It's not just about peak power, but driveability and fuel economy, all of which are catered for in this big power GT.
Hopefully we will have some further updates over the coming months. There is a little left in the can, but for now this is one banzai GT!
Got any boost graphs? A monster 100hp @ 4k rpm and the torque is lower than I would have expected?
Nice! Fair play if he get's it over 300bhp
What's the spec of this then?
Only cetıngt noes the full spec..
get the full spec out arda. come on
Congrats cetin!
What a beast
Will do at some point but may run out spaceOriginally Posted by andy b
.. You should no most of it anyway ?
Track? It's obvious where we are most saturday and Sunday nights who ever has got the potatoes will come along and have a go a keeping up..
Would also like to add Credit to Cetin as this was his first go at 300hp with the limited funds he had.. Now let's hope some people pipe down.
well done to cetin for this build. lets keep it clean. yes some people was proved wrong, lets not gloat. did he fit a lsd in the end up?
So he made more than the 260hp I had said he'd not make - I was wrong. 100hp at 4000rpm though, lol, the car I'm trying to sell has double that at same rpm range. He wouldn't see which way the silver car went. This is the problem when aiming for peak power. A nice result and a quick car in a straight line it may be, but talking about driveability and peak power in the same breath? Nah... Don't piss on my leg and tell me its raining
Good luck to him in cracking 300hp though, I genuinely mean that, won't be long - bit more boost, better injectors. Its easy for him now.
If you have any car care related questions, ask me in the Cleaning/Detailing section.
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