#1  
Old 08-11-2024, 07:00 AM
steve25's Avatar
steve25 steve25 is offline
Ultimate Warrior
 
Join Date: May 2008
Location: Westchester NY
Posts: 17,520
Default

My guess is 654 Hp.
I must add that with your compression and crank stroke I think that running 1.65 rockers on the exh side will hurt your all important average power numbers.

Can you make two pulls with 1.5 rockers on the motor?

__________________
Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs!
And he was not talking about 1/8 or 1/4 mile ETs!

1) 1940s 100% silver 4 cup tea server set.

Two dry rotted 14 x 10 Micky Thompson slicks.

1) un-mailed in gift coupon from a 1972 box of corn flakes.
Two pairs of brown leather flip flops, never seen more then 2 mph.

Education is what your left with once you forget things!
  #2  
Old 08-11-2024, 12:30 PM
Singleton Singleton is offline
Ultimate Warrior
 
Join Date: Apr 2011
Location: coastal Alabama
Posts: 1,232
Default

engine dyno or chassis dyno?

__________________

66 GTO, 495, M22, Strange S-60 w/4.10
Sold new at Royal Pontiac (Dealer# 07-679)

70 Formula 400/auto
  #3  
Old 08-11-2024, 12:38 PM
Tim Corcoran's Avatar
Tim Corcoran Tim Corcoran is online now
Ultimate Warrior
 
Join Date: Jan 2000
Location: Willow Spring, North Carolina
Posts: 5,066
Default

Quote:
Originally Posted by Singleton View Post
engine dyno or chassis dyno?
Engine dyno

__________________
Tim Corcoran
  #4  
Old 08-11-2024, 12:39 PM
Tim Corcoran's Avatar
Tim Corcoran Tim Corcoran is online now
Ultimate Warrior
 
Join Date: Jan 2000
Location: Willow Spring, North Carolina
Posts: 5,066
Default

Quote:
Originally Posted by steve25 View Post
My guess is 654 Hp.
I must add that with your compression and crank stroke I think that running 1.65 rockers on the exh side will hurt your all important average power numbers.

Can you make two pulls with 1.5 rockers on the motor?
Just exhaust or both

__________________
Tim Corcoran
  #5  
Old 08-11-2024, 12:50 PM
PAUL K's Avatar
PAUL K PAUL K is offline
Ultimate Warrior
 
Join Date: Feb 2004
Location: Sugar Grove IL USA
Posts: 7,441
Default

I don't like guessing but good luck with the dyno session.

__________________
Go fast, see Elvis!
www.facebook.com/PaulKnippensMuscleMotors
Reply

Thread Tools
Display Modes

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 Jump


All times are GMT -4. The time now is 06:36 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.

 




Copyright © 2017