Showing results 1 to 8 of 8
Search took 0.00 seconds.
Search: Posts Made By: bird123
Forum: 69-77 Grand Prix TECH 08-17-2022, 08:17 PM
Replies: 1
Views: 928
Posted By bird123
!972 455 Unitized to HEI Conversion Question

Really appreciate this forum. Really, really appreciate those members on here who take time to share their expertise with the out-of-practice less experienced members such as myself. I recently...
Forum: 69-77 Grand Prix TECH 08-01-2022, 06:36 PM
Replies: 7
Views: 1,598
Posted By bird123
Here's what I found...With key on, checked for...

Here's what I found...With key on, checked for voltage in wire that connects to throttle activated kick down switch and it was good. Checked switch for continuity with accelerator pedal to the floor...
Forum: 69-77 Grand Prix TECH 07-28-2022, 02:02 PM
Replies: 7
Views: 1,598
Posted By bird123
Great information! Thanks!

Great information! Thanks!
Forum: 69-77 Grand Prix TECH 07-28-2022, 06:18 AM
Replies: 7
Views: 1,598
Posted By bird123
Thanks for taking time to respond. Not sure but...

Thanks for taking time to respond. Not sure but I'll check. Would the finger of suspicion be pointed in different directions if it kicks down to first vs. kicks down to second at the slower speeds?
Forum: 69-77 Grand Prix TECH 07-28-2022, 06:13 AM
Replies: 7
Views: 1,598
Posted By bird123
I'll check voltage at the transmission...

I'll check voltage at the transmission connection. Depending on what's there it makes sense that I'll know whether to examine the accelerator kick-down switch or transmission solenoid (not sure of...
Forum: 69-77 Grand Prix TECH 07-24-2022, 09:38 PM
Replies: 7
Views: 1,598
Posted By bird123
Transmission kickdown question

1972 Grand Prix 455 TH400...Transmission kicks down correctly at speeds under 30mph (or so) but does not kick down at highway speeds. Anyone here have advice on what components should be checked for...
Forum: 69-77 Grand Prix TECH 03-09-2022, 06:27 PM
Replies: 1
Views: 942
Posted By bird123
Unitized to HEI ignition conversion

I plan to upgrade my '72 455 from the original Unitized ignition to an HEI unit. Are the HEI's 'plug-and-play' for this type of conversion?

I've found the instructions to change from points and...
Forum: 69-77 Grand Prix TECH 01-07-2022, 09:56 AM
Replies: 1
Views: 878
Posted By bird123
1972 Gas Tank Sending Unit

1972 Grand Prix. Gas tank sending unit needs replaced. The unit is confirmed to be bad by ohmmeter bench test so it's not a poor ground as is apparently so common. Anyone know where to source a...
Showing results 1 to 8 of 8

 
Forum Jump

All times are GMT -4. The time now is 04:08 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