Where are my auto enthusiasts?

[*SHRacerX*]

(05-19-2022, 09:01 PM)fredtoast Wrote: It has always been possible to "upgrade" a turbo by replacing it with a larger one.  They would produce more peak HP but they would also have more "turbo lag".

But new turbo's are so much more efficient than the ones from the 80's that replacing a turbo with a newer on of the same size will give really big HP gains without more lag.  I don't really understand all the details of the new technology but they have "ceramic ball bearings" and shit like that. 

Yep, combined with better fuel delivery, cold air intakes, freer exhausts, etc.  it doesn't take much to really get a big jump in HP.  There is a guy that makes a living building up people's 4.9L turbos (for that Pontiac Motor) with different intake and fuel injection systems and he gets well over 350 HP and a strong 450 lb-ft of torque.  

That is quite a jump from the stock 200 Hp and 345 lb-ft of torque.  

I think his page is TTAperformance.com.  Really nice guy.