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Forum: Pontiac - Race Yesterday, 04:58 PM
Replies: 2
Views: 247
Posted By Gary H
I don't think the factory lid will work since the...

I don't think the factory lid will work since the air cleaner element is very tall and extends into the scoop opening. BTW, I am not a fan of this setup for a higher horsepower car. IMO, the air...
Forum: Pontiac - Street 09-18-2024, 02:04 PM
Replies: 51
Views: 1,983
Posted By Gary H
Who put the camshaft in the engine? If the...

Who put the camshaft in the engine? If the timing chain is one that has multiple advance and retard keyways, I would check to make sure they used the correct mark and associated keyway. I have had...
Forum: Pontiac - Street 09-13-2024, 04:23 PM
Replies: 44
Views: 1,265
Posted By Gary H
If I understand your symptoms right, the starter...

If I understand your symptoms right, the starter turns the engine over fine, but it won't crank up when hot. My bet is that you have a low voltage issue going to the Sniper system. In the condition...
Forum: Pontiac - Street 09-09-2024, 02:24 PM
Replies: 13
Views: 547
Posted By Gary H
I have used probably 40 BOP 1 piece Pontiac seals...

I have used probably 40 BOP 1 piece Pontiac seals in my, and customers engines. If you follow the instructions to a T, they won't leak. Very happy with them
Forum: Pontiac - Street 08-29-2024, 07:58 PM
Replies: 35
Views: 1,477
Posted By Gary H
What's the vacuum reading at idle? Possible...

What's the vacuum reading at idle? Possible vacuum leak?
Forum: Pontiac - Street 08-27-2024, 06:25 PM
Replies: 23
Views: 758
Posted By Gary H
Jeeeez, you guys are good!

Jeeeez, you guys are good!
Forum: Pontiac - Street 08-27-2024, 08:12 AM
Replies: 47
Views: 2,139
Posted By Gary H
And, if an automatic transmission, helps by not...

And, if an automatic transmission, helps by not loading the convertor which builds heat.
Forum: 67-69 Firebird TECH 08-26-2024, 07:24 AM
Replies: 4,601
Views: 796,721
Posted By Gary H
I've actually CC'd #62 heads that came in at 78...

I've actually CC'd #62 heads that came in at 78 CC's. Just did a set of #13's a couple of days that came in at 76 CC's
Forum: 60 & Older Pontiac TECH 08-26-2024, 07:22 AM
Replies: 1
Views: 184
Posted By Gary H
Newer transmission fit?

I have a customer with a 60' Catalina that I'm building an engine and transmission for. The engine is a 64' 389 that has the provision for the block mounted stater. The question is what...
Forum: Pontiac - Street 08-26-2024, 07:12 AM
Replies: 20
Views: 1,092
Posted By Gary H
Higher rpm put much more of a load on the spark...

Higher rpm put much more of a load on the spark plugs, which will show up if they are fouled. Also, todays ignition systems with coil packs, variable timing, etc. has a much hotter voltage than...
Forum: Pontiac - Street 08-25-2024, 07:21 PM
Replies: 20
Views: 1,092
Posted By Gary H
Absolutely the first thing to check is your spark...

Absolutely the first thing to check is your spark plugs. Pull the plugs and see what they look like. If they are dark or black, then there's your misfire. If I understood you from an earlier post,...
Forum: Pontiac - Street 08-24-2024, 08:57 AM
Replies: 76
Views: 3,317
Posted By Gary H
Is this the original flywheel you took out? If...

Is this the original flywheel you took out? If so, it looks like someone, probably the people who balanced the engine, drilled holes in it to neutral balance it. Personally, I'd but a new neutral...
Forum: Pontiac - Street 08-22-2024, 07:46 PM
Replies: 76
Views: 3,317
Posted By Gary H
Just wondering if the original flywheel might...

Just wondering if the original flywheel might have had some holes drilled in it to "neutral balance" the flywheel, before they balanced the rotating assembly? Have you looked at it and compared to...
Forum: Pontiac - Race 08-22-2024, 07:05 PM
Replies: 92
Views: 2,588
Posted By Gary H
I would be that even with the Robb MC pump you're...

I would be that even with the Robb MC pump you're starving that quadrajet for fuel, especially if you are running through the factory fuel tank pick up and front to rear fuel line. See if you can...
Forum: Pontiac - Race 08-20-2024, 06:01 PM
Replies: 44
Views: 2,850
Posted By Gary H
It's kinda a long story but when I dyno'd the...

It's kinda a long story but when I dyno'd the engine they had a problem with the water flow holding it at higher rpm's. When it got to 7200 RPM the readings got weird and so I just called it a day. ...
Forum: Pontiac - Street 08-20-2024, 05:51 PM
Replies: 14
Views: 607
Posted By Gary H
Are you sure your guideplates are for 3/8"...

Are you sure your guideplates are for 3/8" pushrods? And if so, why do you need them? At any rate, if you run 5/16" pushrods, you need the same size guide plates.
Forum: Pontiac - Race 08-18-2024, 07:09 PM
Replies: 44
Views: 2,850
Posted By Gary H
Out 541" engine revs past 7000 rpm's. We shift...

Out 541" engine revs past 7000 rpm's. We shift at 7600-7800. Heads were done by John Marcella awhile back. We run a Gustram intake with two 4150 style BLP carbs
Forum: THE LOBBY 08-16-2024, 05:19 PM
Replies: 33
Views: 1,572
Posted By Gary H
Only time I've seen that is with a SR (Service...

Only time I've seen that is with a SR (Service Replacement block). Are you looking in the correct location(s)? Most common area is along the side of the timing cover about halfway down between the...
Forum: Pontiac - Street 07-28-2024, 07:48 PM
Replies: 41
Views: 1,937
Posted By Gary H
I have used both cams in engines I've built for...

I have used both cams in engines I've built for customers. IMO I would go with the 60243 cam with your engine, especially with the cast iron factory heads. IF, you went with better flowing heads I...
Forum: Pontiac - Race 07-13-2024, 02:10 PM
Replies: 10
Views: 672
Posted By Gary H
One of the problems with the 370 engine is main...

One of the problems with the 370 engine is main bearing quality and availability. I actually have a 370 block and crank I'd sell. Looks to be a forged crank.
Forum: Pontiac - Race 07-13-2024, 02:06 PM
Replies: 27
Views: 2,421
Posted By Gary H
I know the Kauffman's rail is getting a new Hemi...

I know the Kauffman's rail is getting a new Hemi headed Pontiac powerplant for Norwalk. It makes a BUNCH of horsepower on the dyno. Have to see it they can get it ready in time for the meet.
Forum: Pontiac - Race 07-12-2024, 04:31 PM
Replies: 27
Views: 2,421
Posted By Gary H
Agree with the lack of posts on Norwalk, and I'm...

Agree with the lack of posts on Norwalk, and I'm as guilty as anybody. But I am planning on going and running with the Nostalgia Super Stock guys. I wouldn't mind trying to qualify for the quick 16...
Forum: THE LOBBY 06-29-2024, 12:44 PM
Replies: 17
Views: 1,089
Posted By Gary H
Just order one. Thanks for the heads up!

Just order one. Thanks for the heads up!
Forum: Pontiac - Street 06-21-2024, 07:27 AM
Replies: 40
Views: 4,121
Posted By Gary H
Definitely try a 1" to 1.5" inch spacer on each...

Definitely try a 1" to 1.5" inch spacer on each intake when you dyno them. On one of my street cars with an engine similar to yours, adding a 1" spacer to the RPM intake picked up a tenth in the...
Forum: Pontiac - Race 06-13-2024, 09:56 AM
Replies: 213
Views: 27,956
Posted By Gary H
Great! I'm glad he put the Pontiac back in. I...

Great! I'm glad he put the Pontiac back in. I wonder how it compares to the 481X engine ET wise?
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