I have decided to go with a hsr, in addition to a cam upgrade. I have also come to relieze that it would be dumb not to buy some real heads. So that leads me to my question, whats the best head to run with the hsr and a large cam? I have been doing some reseach, but I believe its best to learn from others mistakes. Or get an idea from some one that knows more. So with that in mind, If any hsr owners would like to kick down some info, I would be grateful.

 

the AFR 190cc and trickflow 23 deg heads match very well
the HSR uses a #1205 gasket so youll need high flow heads with ports about that size
don,t go crazy and get heads with huge ports, the intake port entrances won,t match without port work
look at these flow comparisons

http://www.topher.net/~bearman/gmheadcomp.html

http://purplesagetradingpost.com/sum...fo/heads1.html

 

yeah i agree with grumpyvette. listen to him he really knows his stuff.

 

Thanks for the input grumpy. I am weary of the trick flows though, I have heard from a few that were not impressed with them. I was looking at some dart heads. They are from 215cc to 230cc. But as you say dont go to big with the ports. Keep in mind the cam I have is 234 dur. with a .515 lift. I have noticed that a lot of guys are running the AFR's, I'll look into that. Thanks guys for the insight, keep it coming.

 

I have canfield 195cc and I like them..... on AFR website there is a article called "flow to go" read it.......

/N.

 

I am happy with both sets I have, Twisted Wedge on the Formula and 23 degree on the vette. They are not the best flowing heads but are the best for the price IMHO. If you are trying to squeeze every last hp out your combo and price is no object then by all means throw more $ at the heads.

 

HSR
cc306
200cc Protoplines

Don't have any numbers yet, but that's what I decided on.