I'm planning a top swap for next summer, questions:
Gen III or Gen V?
It seems porting a Gen III is supposed to be almost as good as a Gen V yet the cost of starting with a Gen V is higher. L67 = $600 vs L32 = $1600 a the local junker.
May look to exploit "u-pull" on that one. In that same line of thinking, L32 heads worth the extra effort versus L67? I know they flow "slightly" better but the question is, is that worth anything?
Headers are a given so I'll move onto the next big piece, cam.
Cam options, basically comes down to stock heads or ported.
Having a machine shop port heads, how much would that run? I'm going to see if I can get some quotes next week.
And google says... about the same as CNC ported heads from ZZP or W Body store.
This comes down to a cost issue really.
Headers = $600 by the time they're here
Gaskets=$300
Top swap parts = $50-500
cam = $350
valvetrain upgrades =$150-300
So I'm looking at $1450-2050 already.
My goal is have a mean street car, I doubt I'll run it in the quarter often if at all.
I realize heads and a larger cam along with intercooling would be the next steps but looking at the cost, I'll leave it at, with a top swap going for streetable power, which cam would you suggest granted stock heads as well as are l32 heads worth the extra cost?
