They'll be fine for a long time

 

Wow! That's really moving for vtgs. Congrats! Just when you think you reached your limit. Which coolers are you using?

 

To Besiktas,
Thank you man, I hope!

To Dave,
Still my 997.2 coolers, and still pumpgas, notice my VTGs are quite big I believe: 47.55 inducer and 66 exducer.

 

Congrats Pascal, what made this improvement?

 

An improved tune Antonis, a bit more timing and boost but not sure it works well by high ATs...

My 100-200 and 60-130 (now approved by Mike) were achieved with PURE pumpgas and the 100-300 with a can of octane booster, but I let the ECU optimising only 15 minutes, so this time can be improved...

My new y-pipe is still not bolted, so perhap's new gain to come from there?...

PS: No brake boost

 

congratz , could you please tell us what kind of octane booster ?


thanks

Yousef

 

I was quite pleased with the last tune you had (I received a similar version from Todd), and look forward to getting a version of this tune! That is a smokin' fast time for your car. I was thinking that you got this result with the y-pipe or something, but obviously not. Nice.

 

Way to go Pascal! What exhaust are you running? Do you think you can improve 60-130 even more with higher octane?

 

I say 4.8, 4.9 100-200 is possible.

 

Besiktas:
I use NF octane booster, one can a full tank, it does not help at all with the last tune, but prevents time pulling with this one.

Boggie:
Ah Ah! So ask Todd to send you this one!
But I'm still waiting to speak with him to be sure it is not too much with my stock internals...
I will bolt the pipe soon too! (and share)


Dave:
My exhaust is the complete FVD 2.5' (only tips are stock, but I would like to bolt quads for the "look")

I don't think my 100-200 and 60-130 could change much with the octane booster:
I took times before and after the mix yesterday, those "short accels" times didn't improve at all, but the 100-300 wich was about 23' with this "hard tune" and pumpgas improved to 20.77" a few minutes later, same road.
Notice my precedent tune, "smoother", allowed consistent 21.8' with pure pumpgas, better than the hard one which was time pulling a lot without octane booster.
I would be happy (Besiktas) achieving <5', but I won't bet it...

My goal now is improving the top end (and the safety for my engine!), I begin to think about rebuilding the engine, bolting Carillos, strong studs, cams, inlet turbo pipes etc...
(asToby and Yorgos, the ultimate VTG's dogs!)

 

Hi guys

Congrats P--

with these much bigger turbo wheels, do you suffer in city driving from a loss of drivability (in ideal conditions, mine start to spool around 1500 rpm) ?

Amazing results indeed!

David

 

Not a problem but I must admit my 997TT spools about 500rpm later than the bone stock one of my buddy D.
The "full accel" is achieved about 3500rpm but it begins about 2500rpm

 

if it prevents time pulling, then it helps with the time too. you can always ask an aggressive tune to use only with 109. That tune + brake boosting, you will be in high 4's, I believe.

Salih

 

Salih,

Todd just told me this tune is "agressive" and needs MS109 to stay safe with the stock internals, so with brake boosting I expect perhap's flat or litlle 5', but I don't do it, I feel it is "antimechanic".

I'm not sure I will keep it, even with a rebuilt engine it needs MS109 that I don't have got, and I'm not sure my octane booster is enough.

I think I will re-load the precedent file and bolt the y-pipe, and see...

 

Understood. but keep in mind, I ran 4.x's all day with my 3076 setup on stock internals for a long time If you don't have access to race gas, I strongly suggest you to run water/meth injection. That will definitely improve your time and your motor will be safer. Octane booster don't do much.

Salih