HP gains 1.7 rockers and headers on Roe GTS

[00prowler]

Thinking of upgrading again...Anyone have a fair guess of the power gains by adding 1.7 rockers and a good set of headers??? I currently have 620 RWHP on my Roe S/Cd car with **** injection. trying to decide if the gains are worth it...thanks...Al

 

[ViperJohn]

I am guessing you are running the 8 lb pulley?

Those modes combined should yield 40 to 50 rwhp, possibly more with a good tune.

 

[GoCanes1]

I had headers already and a 6.5 lb pulley and added the 8lb, water ****, and Harland Sharp 1.7 RR's and went from 605rwhp to 663rwhp. Hope that helps.

 

[00prowler]

I am running a 10 lb pulley..Al

 

[99 R/T 10]

I bet you would pick up about 20 RWHP and TQ.

 

[GoCanes1]

You may want to work with your tuner. I have the David Weaver pulley and 8lb. I went last week to see him to up to a 10lb. I actually lost 40hp. There was a vaccuum and I was losing power. I backed back down to the 8 and left it alone. Add the headers and rockers and look at adding the Weaver pulley (call David at American Racing Tech in Austin...top notch guys!!). I push almost 11 lbs of boost with the 8lb pulley and the Weaver pulley.

 

[00prowler]

I take it that B&B 1 3/4 Will be the best for my setup?? Anyone??

 

[SSSSE YA]

I take it that B&B 1 3/4 Will be the best for my setup?? Anyone??

Talk to SVS about the headers they have The Best but they are not cheap