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Forum: Pontiac - Street Today, 11:24 AM
Replies: 2
Views: 49
Posted By steve25
The hole in the air horn gasket for the pump...

The hole in the air horn gasket for the pump shaft could be getting oblonged, or the pump cup itself may not be sealing in the well and then instead of fuel only moving out into the primary's it...
Forum: Pontiac - Street Today, 11:00 AM
Replies: 2
Views: 49
Posted By 78w72
I have that on my qjets too, just some slight...

I have that on my qjets too, just some slight seepage or dampness when I pull the air cleaner, never caused a running problem or dripped down onto the intake so I just let it be.

Cliff mentioned...
Forum: Pontiac - Street Today, 10:16 AM
Replies: 11
Views: 408
Posted By Formulajones
I've taken apart a hand full of virgin...

I've taken apart a hand full of virgin performance engines for rebuild and cc'd heads, checked piston to deck height, stroke, etc... including Pontiac, Ford, and Chevrolets, and none of them actually...
Forum: Pontiac - Street Today, 06:29 AM
Replies: 15
Views: 361
Posted By Holeshot71
Well at least it was close..

Well at least it was close..
Forum: Pontiac - Street Today, 04:42 AM
Replies: 3
Views: 149
Posted By Schurkey
The fitting in the intake manifold should be...

The fitting in the intake manifold should be extra-long, with orifices allowing the fumes into both the upper runner, and the lower runner.

Maybe you have the wrong fitting. Pull it out for...
Forum: Pontiac - Street Today, 01:24 AM
Replies: 5
Views: 185
Posted By Jack Gifford
I had no problem running 4 1/8" pistons in my...

I had no problem running 4 1/8" pistons in my blown alky mini-puller, using a '67 400 block honed to 4.125". Turned 8,300 RPM on most runs. I heard a lot of "Didn't know Pontiac made a 401".
Forum: 67-69 Firebird TECH Today, 12:43 AM
Replies: 4,228
Views: 688,926
Posted By Baron Von Zeppelin
Its got some weirdness to it. Not a speck of...

Its got some weirdness to it.
Not a speck of Mayfair color anywhere.
You'd think in that rough of shape there would be some signs here or there at least between the dark aqua and the rust spots ,...
Forum: Pontiac - Street Yesterday, 11:44 PM
Replies: 11
Views: 408
Posted By hurryinhoosier62
According to the late Roger Huntington ( 60s...

According to the late Roger Huntington ( 60s automotive journalist) Pontiac “fudged” its advertised compression ratios by as much as 3/4 of a point. 10.5 minus .75 equals 9.75 actual compression...
Forum: Pontiac - Street Yesterday, 09:41 PM
Replies: 11
Views: 250
Posted By 'ol Pinion head
78 180 horse 400 blocks were 557's. 78 & 79 W72...

78 180 horse 400 blocks were 557's.
78 & 79 W72 blocks were 481988 XX blocks.

Personally would not have an issue with .030 milled 6X-4's, & a build with a cam like a Summit 2801 on a 557...
Forum: 67-69 Firebird TECH Yesterday, 09:01 PM
Replies: 4,228
Views: 688,926
Posted By Greg Reid
DAMN....If only I was in a better position to do...

DAMN....If only I was in a better position to do something with that... Although I'm sure if legit the price is going to go away up.
That's one of my dream cars, a Mayfair Maize 65 tri-power 4...
Forum: Pontiac - Street Yesterday, 08:47 PM
Replies: 4
Views: 142
Posted By Schurkey
Decent drill motor, wire brush. Remove all loose...

Decent drill motor, wire brush. Remove all loose carbon and rust. Will make the valve seats easier to see.

No sense putting ten cents of machine work into those heads until after you've played...
Forum: 70-73 Firebird & TA TECH Yesterday, 08:21 PM
Replies: 143
Views: 17,981
Posted By Formulabruce
I will pop down to Hot Rod city next week and see...

I will pop down to Hot Rod city next week and see it again. Glad it's finally there and getting attention. Love the " clipboard" program he uses too.
Forum: Pontiac - Street Yesterday, 08:09 PM
Replies: 11
Views: 250
Posted By steve25
How many here had a 78 TA with the W72 package,...

How many here had a 78 TA with the W72 package, let me jump the gun here.

I had two, one with 40k miles on it and another with 80k on it when I got it .
Both auto trans models.
This 80k one when...
Forum: Pontiac - Race Yesterday, 07:15 PM
Replies: 25
Views: 906
Posted By RJRjr
I drive to the track on my m/t 275 radial pro's....

I drive to the track on my m/t 275 radial pro's. Im only 4 miles away though. They work great by the way. Best 60' of 1.49. Used to have m/t 10.5x 28 stiff sidewall slicks. The radials liked a way...
Forum: 70-73 Firebird & TA TECH Yesterday, 07:01 PM
Replies: 143
Views: 17,981
Posted By 72projectbird
All I can do now is just shake my head. It would...

All I can do now is just shake my head. It would be funny if it wasn't for the wasted years and cash.

Hell I've had race cars and mud trucks that never had gaps like that. lol
Forum: THE LOBBY Yesterday, 05:30 PM
Replies: 544
Views: 40,326
Posted By b-man
Cool Took the Le Mans convertible out to meet with my...

Took the Le Mans convertible out to meet with my VW group last night.

Was reasonably well-received, some took interest in it and others didn’t care or really know what it was.

Was about a 20...
Forum: THE LOBBY Yesterday, 04:38 PM
Replies: 80
Views: 2,577
Posted By nytrainer
Count me in!

Count me in!
Forum: 67-81 Firebird & TA Parts WANTED Yesterday, 04:34 PM
Replies: 4
Views: 244
Posted By 7t4mula
So I’m still in Europe, but I heard from my body...

So I’m still in Europe, but I heard from my body man, and he said that he can work with the Ames spoilers. At first he was a little negative about the ABS materials.

Now he has been working with...
Forum: Pontiac - Street Yesterday, 04:24 PM
Replies: 5
Views: 185
Posted By PAUL K
Yes you can hone the cylinders for 4.125 pistons....

Yes you can hone the cylinders for 4.125 pistons. It might not be enough to make the cylinder round with a torque plate.
Forum: Pontiac - Street Yesterday, 04:21 PM
Replies: 11
Views: 250
Posted By b-man
Find a better block. Yeah I know some people...

Find a better block.

Yeah I know some people have used them for mild to high performance builds but with the money invested in machine work and parts it doesn’t make any sense to me anyway to...
Forum: THE LOBBY Yesterday, 03:57 PM
Replies: 97
Views: 1,592
Posted By 59safaricat
Bringing transistorized equipment up slowly on a...

Bringing transistorized equipment up slowly on a variac is not a good idea, that's strictly for tube equipment only.
Forum: Pontiac - Street Yesterday, 03:55 PM
Replies: 11
Views: 250
Posted By steve25
I would have no concern with longevity running...

I would have no concern with longevity running such a block provided these guidelines are met.

Lighter aftermarket rods and pistons are used.

The stroke stays at 3.750”

A good balance job...
Forum: THE LOBBY Yesterday, 03:30 PM
Replies: 22
Views: 628
Posted By stellar
I'm 17. My wife just told me you're not 17,...

I'm 17. My wife just told me you're not 17, you're dyslexic. So now, I'm really confused because I have no idea how old dyslexic is, and I'm afraid to ask her.
Forum: THE LOBBY Yesterday, 03:12 PM
Replies: 80
Views: 2,577
Posted By Bob Dillon
Question Greg, it's a great outpouring of affection and...

Greg, it's a great outpouring of affection and prayers here for a long-time Internet Pontiac buddy, But I'm sure expenses are eating you up.


So, for the rest of youse guys, I pledge $100 to help...
Forum: THE LOBBY Yesterday, 02:18 PM
Replies: 57
Views: 3,559
Posted By mgarblik
Doing a quick look for some facts and figures, I...

Doing a quick look for some facts and figures, I found Buick without any problem. Pontiac being gone, was a little more difficult. But here are some numbers to chew on at least. Pontiac Annual...
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