Forum: Pontiac - Race
09-10-2023, 06:50 PM
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Replies: 44
Views: 2,564
Dowel Pins Explained.
I make the longer "Steel Alloy" Main and Cylinder Head Dowel Pins.
The Main Cap Dowel Pins are 0.30968" +/- 0.0000025" in diameter. They are 1.00" +/- 0.0025" in Length. They are Centerless...
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Forum: Pontiac Business Entities Exchange
05-07-2023, 07:10 AM
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Replies: 1
Views: 1,100
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Forum: Performance Parts For Sale/Wanted
10-18-2021, 07:20 PM
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Replies: 4
Views: 924
Interested
PM Me with what you want for it. If all that has been done is the Carb. Flange Milled down 3/8", that won't be a problem.
Thanks,
Larry Snyder
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Forum: Performance Parts For Sale/Wanted
10-18-2021, 08:57 AM
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Replies: 4
Views: 924
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Forum: Performance Parts For Sale/Wanted
10-17-2021, 06:46 PM
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Replies: 4
Views: 924
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Forum: Pontiac - Race
05-07-2021, 07:16 PM
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Replies: 57
Views: 10,664
That's Hot.
That is Hot... Hot enough to burn the Paint off with Coolant Temperature must have been in the Hundreds of Degrees......
Sure enough there are many ways to go about this, including more than one...
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Forum: Pontiac - Race
05-05-2021, 11:04 PM
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Replies: 57
Views: 10,664
Benefits
There is a real benefit to pumping Coolant into the Block first and that would be ease of plumbing your Cooling System. Other than that, there is no benefit that I can think of.
Plumbing a Dry...
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Forum: Pontiac - Race
05-05-2021, 08:35 PM
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Replies: 57
Views: 10,664
Heads First
Think about this......
There is absolutely no reason to pump the Coolant into the Block first. The Heat Energy is in the Combustion Chambers and Exhaust Ports. If anything, pumping the Coolant...
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Forum: Pontiac - Race
05-04-2021, 08:00 PM
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Replies: 57
Views: 10,664
Reverse Flow Cooling
RAIV-Z is running Ram Air V Heads that do not have siamesed Exhaust Ports. That makes a big difference and may be why he's not having any issues. You, on the other hand are running Heads that have...
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Forum: Pontiac - Race
04-13-2021, 07:54 PM
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Replies: 13
Views: 2,462
Trapped Air and Coolant Circulation
Good Evening Everyone,
If trapped Air is of concern after blocking the Thermostat Bypass Port in the Timing Cover then install a Bleed Screw in the Top of the Timing Cover at the 12:00 position....
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Forum: Pontiac - Race
09-23-2020, 06:40 PM
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Replies: 28
Views: 5,829
Intake Manifold Dimensions
Not trying to Hi-Jack this Thread at all.....
What we need to do is to create a Thread with Internal Intake Manifold Dimensions for the various Intake Manifolds that are now available. That's...
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Forum: Pontiac - Race
09-23-2020, 06:22 PM
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Replies: 8
Views: 1,064
Manley Nextek Springs
Unless I'M mistaken, PAC makes the Manley Nextek Springs. I've used both with good results.
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Forum: Pontiac - Race
01-26-2019, 09:39 PM
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Replies: 68
Views: 2,639
Ratios
Turbo 400 Ratios:
Sun Gear = 26 Tooth
Both Ring Gears = 54 Tooth
First Gear Calculations:
26/54 = 0.48148:1
80/26 = 3.0769:1
Therefore:
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Forum: Pontiac - Race
05-29-2018, 09:25 PM
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Replies: 19
Views: 829
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Forum: Pontiac - Race
05-29-2018, 07:45 PM
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Replies: 19
Views: 829
Lobe Profile
Quote:
"Right now it is a easy lob solid roller 278/282 at .050 lift is .640/.645 with 1.5 rockers. 108 ls installed at 106."
Do you know the advertised duration and the duration @ 0.200"?
The...
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Forum: Performance Parts For Sale/Wanted
05-20-2018, 07:43 PM
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Replies: 12
Views: 1,479
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Forum: Performance Parts For Sale/Wanted
05-20-2018, 03:29 PM
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Replies: 12
Views: 1,479
Ready to Purchase
If you'll take $140 for the Valve Covers and Gaskets Shipped to Hampton. VA. then I'll take them.
Send me an Invoice through Paypal to lmsracer455@outlook.com and I'll pay you A.S.A.P.
Thanks,...
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Forum: Performance Parts For Sale/Wanted
05-20-2018, 02:37 PM
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Replies: 12
Views: 1,479
Still Available?
What's your reason for selling them?
I'm considering purchasing a set for an engine that has a Crower Shaft System.
Thanks,
Larry S.
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Forum: Pontiac - Race
05-08-2018, 10:25 PM
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Replies: 152
Views: 4,777
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Forum: Pontiac - Race
05-08-2018, 06:12 PM
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Replies: 152
Views: 4,777
Brace?
Let me ask, What Brace are you speaking of?
Do you mean the Center Support or Maybe a Pressure Plate Support?
The best way that I've seen to Support the Rear of the Direct Drum and Therefore the...
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Forum: Pontiac - Race
05-08-2018, 01:34 PM
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Replies: 152
Views: 4,777
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Forum: Pontiac - Race
05-08-2018, 09:34 AM
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Replies: 152
Views: 4,777
Turbo 400 Burnout
Relating to doing a Burn Out with a Turbo 400.
Start your Burn Out in Second Gear and then Shift to Third.
Your Intermediate Sprag will thank you.
Accelerate out of the Burn Out Box instead...
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Forum: Pontiac - Race
05-08-2018, 09:27 AM
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Replies: 152
Views: 4,777
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Forum: Pontiac - Race
05-08-2018, 08:35 AM
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Replies: 152
Views: 4,777
A Couple Of Points!
Pro Release Trans-Brake Valve Bodies do not use Accumulators of any kind to soften the shifts. Therefore utilizing a 1-2 Accumulator to ease the stress on the Intermediate Sprag is not an option.
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Forum: Pontiac - Race
05-07-2018, 08:03 AM
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Replies: 152
Views: 4,777
ATI Parts
The ATI Aluminum Direct Drum is not Hard Coat Anodized. Because of this I've seen accelerated wear inside the Drum where the Clutch Steels contact the Drum Surface. I've also found accelerated wear...
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