Edelbrok heads?
Edelbrok heads? 
09-13-2008, 02:45 PM
#2
Kinda needing more info on your car.
A4 or M6?
What cam?
What bolt-ons?
Not sure what the extreme heads flow.. You might look into TSP Terminator heads that are cnc'd from Edelbrock casts.. They have a 200cc intake runner & flow over 300cfm @ .600 lift.. Spec a cam with those heads along with good supporting mods & you could easily see 420-450rwp with a good tune.
A4 or M6?
What cam?
What bolt-ons?
Not sure what the extreme heads flow.. You might look into TSP Terminator heads that are cnc'd from Edelbrock casts.. They have a 200cc intake runner & flow over 300cfm @ .600 lift.. Spec a cam with those heads along with good supporting mods & you could easily see 420-450rwp with a good tune.
Last edited by MM98; 09-13-2008 at 02:53 PM.
09-13-2008, 11:35 PM
#5
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I'm a LS1 noob, but I think with your current stock state those heads would be about the worst dollar to hp gain at this point. You'd probably pick up some hp but nothing like you would by doing supporting mods and a cam first (or at the same time). Let the whole engine breathe, not just the (spendy) heads.
You might have a hard time finding numbers because it would be pretty uncommon to upgrade heads before doing anything else.
You might have a hard time finding numbers because it would be pretty uncommon to upgrade heads before doing anything else.
