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Forum: Big Pontiac(incl G-body)Parts WANTED 05-03-2024, 08:30 AM
Replies: 0
Views: 257
Posted By MikeyB
1973 Pontiac GP blower motor resistor

Folks, I need help finding a source for a blower motor resistor for my 73 GP with factory air.
I can’t seem to locate one.
Thanks
Forum: Pontiac - Street 01-24-2024, 08:14 PM
Replies: 18
Views: 1,767
Posted By MikeyB
Car ran fine stock, understandably it’s a 4K car...

Car ran fine stock, understandably it’s a 4K car but it just lacked a$$ expected in a 455.
Forum: Pontiac - Street 01-24-2024, 08:06 PM
Replies: 18
Views: 1,767
Posted By MikeyB
2 lane highway 55-60 mph, 50% Cruising city...

2 lane highway 55-60 mph, 50%
Cruising city blocks 50%
Occasional drag race 100% lol
Forum: Pontiac - Street 01-24-2024, 07:14 PM
Replies: 18
Views: 1,767
Posted By MikeyB
Thanks much Steve, what about cam leave stock one...

Thanks much Steve, what about cam leave stock one if lobes are not worn or put a more performance oriented cam to enhance the performance of the 6X heads?
Forum: Pontiac - Street 01-24-2024, 06:28 PM
Replies: 18
Views: 1,767
Posted By MikeyB
Lightbulb More info

It’s a 1973 Pontiac Grand Prix SJ
Triple Black, 60k original miles
Mint Original interior
400 TH Transmission, console shift
Stock intake, but I plan on purchasing aluminum elderbrock, depending...
Forum: Pontiac - Street 01-23-2024, 08:22 PM
Replies: 18
Views: 1,767
Posted By MikeyB
Thank you

Thank you to everyone for the help. I believe I have 3.08 gears. I’m taking notes on everyone’s input
Forum: Pontiac - Street 01-22-2024, 05:05 PM
Replies: 18
Views: 1,767
Posted By MikeyB
Lightbulb The heads are at the shop. From what I understand...

The heads are at the shop. From what I understand you’re saying is that I don’t have too upsize the exhaust valves to the 177s. I can just have the valves cleaned, magna fluxed, the stock valves re...
Forum: Pontiac - Street 01-21-2024, 12:18 PM
Replies: 18
Views: 1,767
Posted By MikeyB
Need tech help please.

Hello, I have a stock 1973 455, 4br, I plan to replace the stock 4X Heads with 6X-4 heads from a 350. The 6X’s are getting reconditioned at the Machine shop including exhaust valves upgraded
to...
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