#1  
Old 09-29-2017, 01:42 AM
HO Kenny's Avatar
HO Kenny HO Kenny is offline
Senior Chief
 
Join Date: Dec 2005
Location: calgary alberta
Posts: 384
Default

I had a weird similar problem but it started a little earlier in the rpms. A baffle in a muffler must have come come loose. It ran great as long as I didn't floor it. I unbolted the header flanges and my power came back. Lots of noise as well.

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 11:55 AM.

 

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