PY Online Forums - Bringing the Pontiac Hobby Together

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-   69-77 Grand Prix TECH (https://forums.maxperformanceinc.com/forums/forumdisplay.php?f=435)
-   -   1974 Grand Prix with 53,000 miles (https://forums.maxperformanceinc.com/forums/showthread.php?t=883861)

JJDeville 01-17-2026 08:07 PM
1974 Grand Prix with 53,000 miles
 
2 Attachment(s)
I am going to post some pictures of my Grand Prix. I put a set of Diamondback 225/70 White stripe tires on it. Also installed a new set of spark plugs and bumped the time up a little. It drives like a dream but is no race car. It is no match for my 70 SJ 455. I am going to continue to detail it and clean it up a little bit at the time. I wish my wife would be satisfied with driving this car, I would put her in it and not worry about her.😎

chiefpontiac66 01-20-2026 06:42 AM
Beautiful car. It's amazing how well the interiors held up with proper car. My 72 still has the original interior and it looks great.

camerjeff 01-20-2026 11:03 AM
Great looking survivor GP! Congrat's

redonred81 01-20-2026 07:43 PM
Diamond back
 
Can u tell me which diamond back tires you ordered and a close up pic?thank you

JJDeville 01-21-2026 09:10 PM
2 Attachment(s)
I think they are Diamondback 1 tires. They are 225/70/15. I bought them a couple of years ago for my 70 Monte Carlo SS454 and changed them out for Radial T/As. They are the basic tire they offer not the DB111 based on Radial T/As.

redonred81 01-21-2026 10:19 PM
Quote:
Originally Posted by JJDeville (Post 6600721)
I think they are Diamondback 1 tires. They are 225/70/15. I bought them a couple of years ago for my 70 Monte Carlo SS454 and changed them out for Radial T/As. They are the basic tire they offer not the DB111 based on Radial T/As.
Thank you


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