#11

07-03-2023, 12:42 PM

Stan Weiss Stan Weiss is offline

Ultimate Warrior

Join Date: Jul 2013

Location: Philadelphia, PA

Posts: 5,059

Quote:

Originally Posted by Gach

Those High Ports with 6.200 long valves are very heavy valves, so what do you think. The seat and open pressure has to be to run .750 lift cam. Then add 1.7 rocker on top of that. Instead of a 1.5 or 1.6 rocker. Because thats what SD set them heads/springs up for.

That would depend not only on the cam lobe being used but the max RPM that is wanted. I believe Troy wants a max of 7000 RPM.

Stan

__________________
Stan Weiss/World Wide Enterprises
Offering Performance Software Since 1987
http://www.magneticlynx.com/carfor/carfor.htm
David Vizard & Stan Weiss' IOP / Flow / Induction Optimization - Cam Selection Software
http://www.magneticlynx.com/DV
Download FREE 14 Trial IOP / Flow Software
http://www.magneticlynx.com/DV/Flow_..._Day_Trial.php
Pontiac Pump Gas List
http://www.magneticlynx.com/carfor/pont_gas.htm
Using PMD Block and Heads List
http://www.magneticlynx.com/carfor/pont_pmd.htm

Reply With Quote

« Previous Thread | Next Thread »

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Forum Rules

Forum Jump

All times are GMT -4. The time now is 01:18 PM.

About Us

The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass.

Menu

About Us