283 Horsepower rating
 

Does anyone know what the horsepower rating is for a 1966 283 4bbl for IHRA Super Stock? Thanks, Mike

Mike Galuk
JOE COOL RACING
Stock-2080

Re: 283 Horsepower rating
 

Mike, same as NHRA but depends on body.

Re: 283 Horsepower rating
 

Chevy II 283/220hp is currently rated at 241hp.

Re: 283 Horsepower rating
 

Mike according to my cassification book in IHRA it is only 230 hp. We do not factor ours just because NHRA does . Most of the time if a combo goes fast over here is when it is looked at and changed.This is all 66 283 SS combos.I have my class books with me at home if you have any ?'s call me , I can try to help you if i can .Hope this helps!!! DW out !!!!!!

Re: 283 Horsepower rating
 

Oops, thanks DW, I had been told differently.

Re: 283 Horsepower rating
 

Sorry about that. When I had to buy another engine to run in my car last year I was told(at a IHRA Divisional) it was the same as NHRA. That's why I went 327. IHRA has my combo factored less than NHRA. When I called IHRA about the factoring of my combo this year they said call NHRA we go off what they have.

Re: 283 Horsepower rating
 

Sorry about that Ed .The books were correct in trailer at Rockingham.I will be sure to look at next national event and make sure nothing has changed.If in fact it has ,I will let you know. But as far as i know it has not .I will call Hank tomorrow and verify for sure .Thanks for telling me this .DW outtttt !!!

Re: 283 Horsepower rating
 

Ed .What 327 combo do you have?My book shows a 327 /275/295 and 327/350/300. Just wondering about this one also since the 283 was quoted wrong. Hope thats right anyway .THANKS. DW gone again !!