P&P heads

[00 Silver 6]

just wondering, would port and polished heads yeild a decent performance gain? i know the numbers can differ depending how well the job was done, but im just kind of looking for an average number, thanks

[matt3989]

Re: P&P heads

i think the average is like 20-30 hp depending on your other mods, for example adding heads to an engine with an aggressive cam would yeild a bigger increase

[UDLOSE98]

Re: P&P heads

yea, if you are going to do p&p heads, do the cam as well. Depending on the cam, P&P work, etc. You could see 40-50 hp. Tuned of course.

[00 Silver 6]

Re: P&P heads

yea, if you are going to do p&p heads, do the cam as well. Depending on the cam, P&P work, etc. You could see 40-50 hp. Tuned of course.

would a cam kill my driveability? i drive my car everywhere and i cant sacrifice alot of my reliability. i was planning on doing lifters/rockers/pushrods/valve springs and retainers, as well as maybe P&P the heads. im looking for a good gain (like 15-20hp) from the first list, then if i had money left get the heads done.

[UDLOSE98]

Re: P&P heads

lifters, pushrods and valve springs = 0 HP

however, they are all parts necessary with a cam, there is no point in installing all those parts without a cam, complete overkill. You can get a very mild cam and retain streetability, I am running a stage 3 turbo cam, WITHOUT the turbo.......Actually I am running my entire mod list untuned right now, and it drives great. They only part I have tuned is the fuel injectors,,,as I am waiting for the turbo install for the full dyno tune.

Regardless, yes you can keep the car completely streetable with a cam.

[slow6]

Re: P&P heads

it depends on who does the p&p heads and how good of a job they do.
the stock heads have the best intake-to-exhaust ratio
who is gonna p&p it, you?