FI : more gains with cams or with heads?

[6carmello8]

Originally Posted by gnx7

Do a cam/dual springs/pushrods and rebuild the rocker arms with the Comp Cams trunion kit.

Brian Tooley Racing can custom spec you a cam and provide all these parts.
Get your throttlebody ported as well. Great bang for the buck.

If you have e85 in your area or can do a meth injection kit... get it tuned that way. 91 octane pump gas is garbage and can vary on octane levels for boost.

A cam actually makes waaaay more sense than heads for my goal not to mention that the stock Lq9 doesn't rev to 7K which I realized. This will help with a centri.

I'll do a preliminary set up with about 8-9 intercooled psi with 91 and with cams then later do a water/meth injection later with a few more psi if I need the power.

[6carmello8]

There's a 69' Corvair with a stock lq9 bottom end, ls6 inatke and a cam making 617 to the wheels! Granted it's running a D1SC but I talked to tech at Procharger and he said at the boost level I want ( 8 - 12 ) I won't see much of a difference (just a bit more mid range) going from a P1SC to a D1SC so I found out I have no reason to spend $1500 for a upgrade!

here's the link below if anyone's interested. Doesn't say PSI level but I'm guessing below 11...

http://www.dragzine.com/features/car...air-of-chevys/

[WSSix]

Well, that's always good news. Save money and still making your goals. Good luck!

[The T-man]

both

[Sparks67]

Both Cnc heads and new cam..

[Boris632]

i am very late to this party but if it is cam OR heads get the cam and do the springs.

The 317 heads work pretty good with FI.

google/youtube stock48 nova. A stock lq9 with a cam and a newer s476 turbo went 8.39@160+ in a Nova on pump e85 and a truck intake manifold.

He is pushing that motor hard but those numbers suggest he is pushing the 1000hp threshold.

So how much power did you want to make?

[6carmello8]

Originally Posted by Boris632

i am very late to this party but if it is cam OR heads get the cam and do the springs.

The 317 heads work pretty good with FI.

google/youtube stock48 nova. A stock lq9 with a cam and a newer s476 turbo went 8.39@160+ in a Nova on pump e85 and a truck intake manifold.

He is pushing that motor hard but those numbers suggest he is pushing the 1000hp threshold.

So how much power did you want to make?

Wow thanks for the info. Had no idea the stock bottom end on the lq9 can handle that much power.

No upgraded rod bolts?

The tune must be incredible!