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Forum: Pontiac - Street Yesterday, 09:10 PM
Replies: 168
Views: 10,271
Posted By Schurkey
Depending on cam and compression ratio, that's so...

Depending on cam and compression ratio, that's so fantastically "good" that I would want to confirm that the gauge used is accurate.

Most (NOT all) compression testers use an Industrial...
Forum: THE LOBBY Yesterday, 08:24 PM
Replies: 11
Views: 246
Posted By b-man
A 400 HO 4-speed drivetrain even if it’s not the...

A 400 HO 4-speed drivetrain even if it’s not the ‘born with’ one will still garner more interest and bring more money if you should ever decide to sell it than a generic 455/6X combo.

Not to...
Forum: Pontiac - Street Yesterday, 07:48 PM
Replies: 168
Views: 10,271
Posted By tom s
I think I would look at a RA IV ish cam for that...

I think I would look at a RA IV ish cam for that engine.Tom
Forum: THE LOBBY Yesterday, 07:40 PM
Replies: 11
Views: 246
Posted By b-man
It would be fun to experience how an original 400...

It would be fun to experience how an original 400 HO 4-speed 1968 Firebird performs.

If you strive to build it as factory correct as is practical then you’ll have a nice fast car that’s reliable...
Forum: THE LOBBY Yesterday, 07:38 PM
Replies: 116
Views: 2,313
Posted By VCho455
Sweet!

Sweet!
Forum: THE LOBBY Yesterday, 07:13 PM
Replies: 11
Views: 246
Posted By indymanjoe
drive it and enjoy it! efi is a waste of effort...

drive it and enjoy it! efi is a waste of effort in my Opinion. keep it simple and reliable.
Forum: THE LOBBY Yesterday, 06:02 PM
Replies: 586
Views: 42,047
Posted By Verdoro 68
Fender reinstalled. Been futzing with this off...

Fender reinstalled. Been futzing with this off and on for the last few days. Gaps are not perfect, but way better than before.
...
Forum: 67-81 Firebird & TA Parts FOR SALE Yesterday, 02:15 PM
Replies: 0
Views: 47
Posted By skunkwerks
68/69 Y branch manifolds

www.ebay.com/itm/284463934895
Forum: THE LOBBY Yesterday, 11:02 AM
Replies: 586
Views: 42,047
Posted By jhein
DUI says most likely the cap was not correctly...

DUI says most likely the cap was not correctly installed and the engine was cranked. Must have happened at some point during the build process.
Forum: THE LOBBY Yesterday, 07:23 AM
Replies: 116
Views: 2,313
Posted By JSchmitz
Nice! Looks pristine!

Nice! Looks pristine!
Forum: THE LOBBY 05-28-2024, 10:42 PM
Replies: 116
Views: 2,313
Posted By b-man
Pioneer Super Tuner I bought in 1979.

Pioneer Super Tuner I bought in 1979.
Forum: THE LOBBY 05-28-2024, 09:53 PM
Replies: 21
Views: 869
Posted By Rachelsdad
Yeah, while my '63 was in the shop, they put a...

Yeah, while my '63 was in the shop, they put a pair of those black ones on just to pass inspection I guess. I forgot to swap them before showing last week (oh, well)....

The ones I got were NOS...
Forum: Pontiac - Street 05-28-2024, 09:01 PM
Replies: 4
Views: 136
Posted By Sirrotica
This is a fairly common problem with Pontiacs,...

This is a fairly common problem with Pontiacs, always has been. The head bolt with the 3/8 inch lug should have a star washer on the cable end. Many times this washer is omitted during service work....
Forum: THE LOBBY 05-28-2024, 08:46 PM
Replies: 586
Views: 42,047
Posted By jhein
Sorry, I typed rotor when I meant cap. ...

Sorry, I typed rotor when I meant cap.

Yeah, I see the plastic rib that you're talking about, you've got a good eye. Very hard to see the circle you drew due to my colorblindness....

I...
Forum: THE LOBBY 05-28-2024, 08:20 PM
Replies: 586
Views: 42,047
Posted By 67drake
No, in the picture of the cap. I circled it....

No, in the picture of the cap. I circled it. Looks like a chunk of plastic got bent or snapped off from the rotor. but like I said the picture is fuzzy, so maybe I’m seeing it wrong. :)
Forum: THE LOBBY 05-28-2024, 07:46 PM
Replies: 586
Views: 42,047
Posted By 67drake
Yikes! Hard to tell cause the picture is a...

Yikes!
Hard to tell cause the picture is a little fuzzy, but is it this plastic? Marked in lower left of photo. Looks a little bent in the picture.
Forum: THE LOBBY 05-28-2024, 06:10 PM
Replies: 586
Views: 42,047
Posted By BILL BOWMAN1
Welded a nut to some scrap steel so I could have...

Welded a nut to some scrap steel so I could have a handle to polish these bumper bolts.
Forum: Pontiac - Street 05-28-2024, 05:45 PM
Replies: 14
Views: 646
Posted By steve25
With brand new plugs and not being at a track it...

With brand new plugs and not being at a track it will take at least 3 full throttle thru the gears runs to see anything worthwhile in terms of the plug being too hot or not.
And they need to be...
Forum: Pontiac - Street 05-28-2024, 05:22 PM
Replies: 13
Views: 597
Posted By steve25
If it’s as you say a stock-ish deal, then with...

If it’s as you say a stock-ish deal, then with stock springs and retainers that cams .470” lift might have been too much for the clearance set up on number 4.

Even with just 290 psi of open...
Forum: Pontiac - Street 05-28-2024, 03:43 PM
Replies: 13
Views: 597
Posted By Scott Stoneburg
How are you adjusting the valves? If youre just...

How are you adjusting the valves? If youre just tightening them to stop like the stock stuff, that could be the issue.
Forum: 66-67 GTO Tempest & LeMans TECH 05-28-2024, 02:47 PM
Replies: 4
Views: 120
Posted By Bill H
55

I recently put a 55 amp in my 67 GTO, I got it from NAPA Auto Parts. It was clocked at 12 O'Clock like the original.
Forum: THE LOBBY 05-28-2024, 02:39 PM
Replies: 62
Views: 1,570
Posted By Bill H
AtSea

50 years ago I had my Yacht out for a cruise in the South China Sea. :D
Forum: Pontiac - Street 05-28-2024, 02:38 PM
Replies: 10
Views: 552
Posted By JSchmitz
As noted, parts are hard to find. My car had a...

As noted, parts are hard to find. My car had a 12/10 bolt 3.23 rear in it when purchased in 1985. It has taken a beating with no issues. I did find and install new clutch plates and a heavy duty "S"...
Forum: 67-69 Firebird TECH 05-28-2024, 02:36 PM
Replies: 4,245
Views: 693,223
Posted By north
Trivia, the 69 bird was going to have a full...

Trivia, the 69 bird was going to have a full Endura but Mitchell said he wanted some chrome on the front, might be a true story or not. I think more likely is that they knew the 69 bird was a one...
Forum: 70-73 Firebird & TA TECH 05-28-2024, 01:09 PM
Replies: 13
Views: 500
Posted By napster
R 70 Judge, Thanks. My mechanic installed a...

R 70 Judge,

Thanks. My mechanic installed a Griffin radiator for a GTO in the '70 T/A along with the fans. Modifications were necessary for both items and I will provide pictures and a video for...
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