Forum: 69-77 Grand Prix TECH
02-02-2024, 08:40 PM
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Replies: 3
Views: 636
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Forum: Performance Parts For Sale/Wanted
03-04-2023, 02:47 PM
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Replies: 1
Views: 649
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Forum: Performance Parts For Sale/Wanted
02-04-2023, 08:25 PM
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Replies: 1
Views: 649
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Forum: 69-77 Grand Prix TECH
04-29-2022, 08:16 PM
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Replies: 12
Views: 1,704
The Holley will fit no problem. I have a 4150...
The Holley will fit no problem. I have a 4150 installed on my '70 GP, and it is mounted on top of an Edelbrock RPM intake (taller than stock) plus a 1" spacer. I run a 3", or maybe a 4", air...
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Forum: SOLD Parts
02-24-2022, 03:07 AM
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Replies: 24
Views: 4,825
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Forum: 69-77 Grand Prix TECH
04-12-2020, 07:48 PM
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Replies: 4
Views: 2,906
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Forum: Pontiac - Street
04-12-2020, 07:47 PM
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Replies: 30
Views: 4,051
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Forum: 69-77 Grand Prix TECH
09-24-2019, 07:19 PM
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Replies: 4
Views: 3,300
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Forum: Pontiac - Street
02-13-2019, 09:11 PM
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Replies: 8
Views: 604
Thanks for the followup. I saw your car in a...
Thanks for the followup. I saw your car in a photo of that track lineup but from a different perspective, which is why I thought you did in fact attend. I have watched a few of the videos,...
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Forum: Pontiac - Street
02-11-2019, 12:20 AM
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Replies: 8
Views: 604
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Forum: 69-77 Grand Prix TECH
01-23-2019, 08:22 PM
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Replies: 29
Views: 12,644
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Forum: 69-77 Grand Prix TECH
01-23-2019, 08:21 PM
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Replies: 29
Views: 12,644
Going for the stock look, I am down with that....
Going for the stock look, I am down with that. You know what you have. I ran it for years and years. That being said, modern tires are soooooooooooooooooooo much better than the tires of yore. It...
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Forum: 69-77 Grand Prix TECH
01-20-2019, 11:45 PM
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Replies: 29
Views: 12,644
Is this 1985??? There are no modern tires in...
Is this 1985??? There are no modern tires in 245/60-15 or any usable size in 14", 15" or 16". If you are still running BFG Radial TA's, Cooper Cobras, or Kelly Charger HR's, you are 30 years...
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Forum: Performance Parts For Sale/Wanted
11-10-2018, 06:49 PM
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Replies: 7
Views: 593
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Forum: Pontiac - Street
11-09-2018, 12:07 AM
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Replies: 25
Views: 1,312
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Forum: 69-77 Grand Prix TECH
11-06-2018, 09:43 PM
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Replies: 9
Views: 3,488
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Forum: Pontiac - Street
11-06-2018, 09:39 PM
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Replies: 16
Views: 1,137
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Forum: Exhaust TECH
10-04-2018, 11:19 PM
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Replies: 13
Views: 1,327
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Forum: Pontiac - Street
10-04-2018, 01:47 AM
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Replies: 24
Views: 1,908
The cubes are fine, 9.5:1 CR with iron heads is...
The cubes are fine, 9.5:1 CR with iron heads is fine, 245-260 cfm porting is fine, headers great, the converter is okay, but the rear axle ratio sucks for the rest of the combination. It's a 455, so...
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Forum: Heating & Cooling TECH
10-03-2018, 01:08 AM
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Replies: 13
Views: 1,202
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Forum: Heating & Cooling TECH
10-03-2018, 01:01 AM
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Replies: 13
Views: 1,202
EGAD! I just read my '70 shop manual which...
EGAD! I just read my '70 shop manual which references "Bolt-Fan and Pulley to Water Pump" 20 lb-ft. That being said, every one of my Pontiacs in the past has had a stud and nut setup on the fan...
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Forum: Heating & Cooling TECH
10-03-2018, 12:57 AM
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Replies: 13
Views: 1,202
I don't think I have ever had one with bolts...
I don't think I have ever had one with bolts instead of studs and nuts. Yes, 5/16"-24 fine thread is correct, but bolts only...?
To answer the OP's questions, just tighten them down without going...
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Forum: Pontiac - Street
09-30-2018, 02:39 PM
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Replies: 15
Views: 1,127
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Forum: Pontiac - Street
09-29-2018, 11:22 PM
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Replies: 15
Views: 1,127
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Forum: Pontiac - Street
09-25-2018, 09:28 PM
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Replies: 18
Views: 1,403
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