I just finished retuning the car at 13-14psi on a 2mm headgasket. I gained 65hp over 8psi which dynoed at 310hp. I kept it a little conservative on the timing and AF was running flat at 12.2. This is on the new GT3082R turbo.

 

Nice turbo torque curve. What type of dyno was it? Also, why did he add a correction factor that adds almost 20 hp?

 

Great numbers!!
Is the GT3082 bigger than the GT3037?

 

Yup. The GT3037 is also known as the GT30R and GT3076R. It has a 76.2 mm compressor wheel. The GT3082R has a 82mm compressor wheel. The primary limiting factor on these turbos outputs is the turbine side...

Tim

 

Nice work Brian. I'm looking forward to installing the 2mm on my car in a few months, this is good inspiration.

 

Thanks Tim. now i know what those numbers stand for

 

nice man, glad to see you got it up and running again!

 

Good numbers but be careful running your A/F in the 12's. Staying in the mid to upper 11's is much safer from what I have found.

 

11s are way to rich. I see no need to be running that rich, you lose more power than it's worth for the little safety (and I mean little) you'll add. Now if I was running 12.5 or higher than I would definitly bring them down. Heck most of the other tuners I know think I'm still rich, but I like the safety. 12-12.2 is right in the sweet spot IMO.

 

with limitations on the turbine side are you guys afraid of surging issues? prolly not huh?