360 Cam Recomendation

Holeshot

Here's an experiment for ya: Set your initial at 18 degrees. Set your MSD (or whatever) to 20 degrees by 2500~3000. It really gave my '70 390 a big seat-o-da-pants kick out of the hole and absolutely no cranking problems. Low compression??? Have you tried adjusting the valves??? There are several different lengths of pushrods that came as stock AMC V8, maybe the valves are being held open?? Also, it's not unusual for high milers to have the pushrods popping through the rocker arms, meaning less lift & dur & power.

Holeshot

I was just looking at your Dyno2000 screen cap and one thing stood out like a sore thumb - 470 CFM!!!!

A stout 360 with standard hot rodding bolt-ons can use every bit of a Holley 850 Double Pumper (with a stick or loose converter).

That puny intake is good for maybe 3000 RPM.

Those heads need to breathe and are good for over 6000 RPM when fresh with a multi-angle valve job!!!

eight

The GM throttle body I use and Howell uses are only 470 cfm. Aftermarket ones can be had up to about 650 cfm. That and bigger injectors are in the plan for when I get around to engine mods. I'd like to get a 401 to start with, build it, then swap it in place of the 360.

John N

eight wrote
The GM throttle body I use and Howell uses are only 470 cfm. Aftermarket ones can be had up to about 650 cfm. That and bigger injectors are in the plan for when I get around to engine mods. I'd like to get a 401 to start with, build it, then swap it in place of the 360.

I'd like to start with a 401 too, but first I'd have to find a decent one to use.

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