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Forum: Pontiac - Street Yesterday, 09:37 AM
Replies: 37
Views: 1,182
Posted By 'ol Pinion head
To state "all of them were at least drilled &...

To state "all of them were at least drilled & tapped for 4 bolt main caps if not fitted with them is an assumption, NOT correct. Have personally pulled an A082 dated big car 455 block & examined...
Forum: Pontiac - Street Yesterday, 09:21 AM
Replies: 37
Views: 1,182
Posted By 'ol Pinion head
Original casting of Pontiac 455 blocks will...

Original casting of Pontiac 455 blocks will reveal:

9799140.... G or H of 69 through mid F of 1970.

483677..... early G of '70 through Sept 10, 1970

485428..... late Nov of '70 through at...
Forum: Pontiac - Street 09-21-2024, 09:25 PM
Replies: 37
Views: 1,182
Posted By 'ol Pinion head
The '70 YH was the most common '70 455 engine,...

The '70 YH was the most common '70 455 engine, Pontiac made near a 100,000 of them, have pulled near 2 dozen '70 YH 455's since the mid 80's.

The 455 YH was the base engine in '70 Bonnevilles....
Forum: 69-71 Judges only TECH 09-16-2024, 02:51 PM
Replies: 9
Views: 759
Posted By 'ol Pinion head
Definitely used on '70 RA3 GTO bases, have had...

Definitely used on '70 RA3 GTO bases, have had two original 70 RA3 bases with faded out original gummed decals.
Forum: 77-81 Firebird & Trans Am TECH 09-16-2024, 02:37 PM
Replies: 5
Views: 164
Posted By 'ol Pinion head
The '80 Pontiac Service Supplement is mediocre at...

The '80 Pontiac Service Supplement is mediocre at best for quite a few details, like the existence of these heat shields, agree with W72 in regards to the little heat shield that slips behind the EGR...
Forum: 77-81 Firebird & Trans Am TECH 09-16-2024, 01:38 PM
Replies: 2
Views: 158
Posted By 'ol Pinion head
An old local friend had over half dozen '78-80...

An old local friend had over half dozen '78-80 TransAms from the early 80's up til his passing this last May. His first was a '80 Pacecar that ended up in American Camaro-Firebird in OKC sometime in...
Forum: 77-81 Firebird & Trans Am TECH 09-16-2024, 01:11 PM
Replies: 6
Views: 376
Posted By 'ol Pinion head
Need to go look as well, removed quite a few '80...

Need to go look as well, removed quite a few '80 smog pumps & associated brackets in the day, still have them. Believe the stamped steel bracket on the right is the support bracket on the drivers...
Forum: 77-81 Firebird & Trans Am TECH 09-16-2024, 01:04 PM
Replies: 5
Views: 162
Posted By 'ol Pinion head
Lightbulb That particular hood bird lacks the inset silver...

That particular hood bird lacks the inset silver areas like the original. Many years ago, had a local friend who sourced & had that exact same Bird installed after replacing the hood on his '77 due...
Forum: 66-67 GTO Tempest & LeMans TECH 09-13-2024, 09:03 AM
Replies: 2
Views: 113
Posted By 'ol Pinion head
Two ways to solve when wishing to run the '68+...

Two ways to solve when wishing to run the '68+ damper & '67-70 PS pump...

- correct 4 bolt crank pulleys; an '842 two groove & a single groove supplemental '843, as well as a '68 timing cover, AND...
Forum: 67-81 Firebird & TA Parts WANTED 09-11-2024, 11:22 AM
Replies: 7
Views: 688
Posted By 'ol Pinion head
Might have a LATE PONTIAC 8.2 3.08...

Might have a LATE PONTIAC 8.2 3.08 gearset/single track carrier.
Schedule now is pointing to late Oct, would have to examine condition.
Forum: 61-77 GTO, Tempest & LeMans Parts WANTED 09-11-2024, 10:59 AM
Replies: 5
Views: 321
Posted By 'ol Pinion head
Lightbulb Welcome to PY Forum, are you anywhere near the...

Welcome to PY Forum, are you anywhere near the middle of the country?

Will throw this out, '68 & 69 A-body frames, the rear side rails are stamped (shaped) differently than those of 70-72's....
Forum: 66-67 GTO Tempest & LeMans TECH 09-10-2024, 11:33 AM
Replies: 10
Views: 392
Posted By 'ol Pinion head
Very interesting, did not realize Pontiac in '67 ...

Very interesting, did not realize Pontiac in '67 planned a 14x5 steel wheel to mate w 4 piston disc brakes. Would be interesting if such a Tempest or LeMans ever built, or this early printed chart,...
Forum: Pontiac - Street 09-10-2024, 11:16 AM
Replies: 10
Views: 376
Posted By 'ol Pinion head
This thread takes me back to late Oct '79 w my...

This thread takes me back to late Oct '79 w my week old '80 Turbo SE. Went to local NAPA & GreenLight where they both had a good display of test pipes. None available, none even in the catalogue. Was...
Forum: 66-67 GTO Tempest & LeMans TECH 09-09-2024, 02:06 PM
Replies: 3
Views: 129
Posted By 'ol Pinion head
'67 model castings used M for Dec, no I for Sept....

'67 model castings used M for Dec, no I for Sept. K 17 6 would then note October 17 1966.

As a Pontiac MI plant built car, its possible.
would still very carefully examine the finish of the...
Forum: THE LOBBY 09-01-2024, 08:09 PM
Replies: 82
Views: 4,718
Posted By 'ol Pinion head
Would love to see a pic of the exhaust side view...

Would love to see a pic of the exhaust side view of the roundport version that Don will be offering. Hope the round port castings have the trough area above the center exhaust port of the head. ...
Forum: 70-72 GTO Tempest & LeMans TECH 08-31-2024, 02:28 PM
Replies: 36
Views: 1,809
Posted By 'ol Pinion head
So by noting HD, you mean it is a '72 convertible...

So by noting HD, you mean it is a '72 convertible frame? that's definitely a rare frame, would love to see more pics with the exhaust hanger mount out of the way.

Just don't see a 2 letter frame...
Forum: 61-77 GTO, Tempest & LeMans Parts WANTED 08-31-2024, 12:06 PM
Replies: 12
Views: 668
Posted By 'ol Pinion head
It wasn't that GM was always changing part...

It wasn't that GM was always changing part numbers. Each GM automotive division had a lot of autonomy & specced & sourced many different styles of backing plates for THEIR rears.

BUICK & PONTiAC...
Forum: 61-77 GTO, Tempest & LeMans Parts WANTED 08-31-2024, 10:56 AM
Replies: 12
Views: 668
Posted By 'ol Pinion head
Will ck if I have any of that style end of next...

Will ck if I have any of that style end of next week.

Little over 2 years ago I went through several dozen original '64-72 GM A-body rear backing plates, & have many many more. The vast majority...
Forum: Pontiac - Race 08-30-2024, 01:55 PM
Replies: 16
Views: 740
Posted By 'ol Pinion head
Lightbulb 74 TransAm J/SA Ed McCormick 71 T-37...

74 TransAm J/SA
Ed McCormick

71 T-37 F/SA
driven by PY member Scott Underhill, Halifax NS
actually one of the 54 455HO GT-37's, original paint, in family & raced since new!
Forum: 70-73 Firebird & TA TECH 08-28-2024, 05:53 PM
Replies: 16
Views: 928
Posted By 'ol Pinion head
Lot of expensive original parts, but I'd wager as...

Lot of expensive original parts, but I'd wager as a very desirable color combo '71 T/A worth more running & able to drive up on a trailer.
Forum: 73-77 A-body TECH 08-28-2024, 05:49 PM
Replies: 7
Views: 568
Posted By 'ol Pinion head
Solid 2 door '73 LeMans 1/4's have been tough...

Solid 2 door '73 LeMans 1/4's have been tough find here in OK/TX for a long time.
Jon Wacholtz was down here a dozen years ago boneyarding w GTO PAUL & I. Jon was darn lucky to find a 1/4 panel...
Forum: Heating & Cooling TECH 08-28-2024, 05:37 PM
Replies: 46
Views: 1,578
Posted By 'ol Pinion head
My brother & I typ get together for AC recharges,...

My brother & I typ get together for AC recharges, he has the vac pump to evac systems. I have a bunch of R12 put up. 14oz & 12oz cans, as well as 134A for our late models. I need to buy a vac pump. ...
Forum: 70-72 GTO Tempest & LeMans TECH 08-28-2024, 04:37 PM
Replies: 36
Views: 1,809
Posted By 'ol Pinion head
Each year '70-72 Pontiac 455 A-body (non boxed)...

Each year '70-72 Pontiac 455 A-body (non boxed) frame had its own 2 letter code.
HF, HW, & J? (gotta ck) in '72.

For the '71 2 door 455 HW coded frames, I'll have to go out & do some checking, ...
Forum: 70-73 Firebird & TA TECH 08-28-2024, 04:07 PM
Replies: 4
Views: 299
Posted By 'ol Pinion head
A bunch of the factory posi '71 F-body 2.73- 3.42...

A bunch of the factory posi '71 F-body 2.73- 3.42 8.5 rears had the Warner Motive cone type posi units, have chunked several of those when rebuilding original '71 8.5 F rears.

By '72, the S...
Forum: 70-73 Firebird & TA TECH 08-28-2024, 03:56 PM
Replies: 7
Views: 395
Posted By 'ol Pinion head
Def will need to be a '70-74 sub.

Def will need to be a '70-74 sub.
Showing results 1 to 25 of 500

 
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