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Search took 0.03 seconds. Search: Posts Made By: 400 Lemans
Forum: Pontiac - Street 01-22-2025, 09:48 AM
Replies: 26
Views: 1,646
Posted By SD455DJ
Tim W. - I think your described combo will work...

Tim W. - I think your described combo will work if the 670 heads final CC’s measure in the 78+ range and you change the cam to something similar a 2802 spec with at least 112 LSA (the Summit 2802 has...
Forum: Pontiac - Street 05-26-2024, 06:51 PM
Replies: 17
Views: 1,746
Posted By 'ol Pinion head
TYPE "O" OLDS TEN bolts

4 different housings:

-'67-69 standard 28 spline sealed axle bearing end housings
used all three model years on all single track & high ratio Anti-Spin rears,

-'70 Tapered bearing housing...
Forum: Pontiac - Street 01-06-2024, 11:24 AM
Replies: 104
Views: 16,349
Posted By Stuart
This discussion has run its course.

This discussion has run its course.
Forum: Pontiac - Street 09-09-2023, 10:29 AM
Replies: 816
Views: 185,786
Posted By Jay S
Butler’s composite gaskets crush to around .042”....

Butler’s composite gaskets crush to around .042”. to .044” thick.

Blue felpro crush to about .045”, most cheaper head gaskets crush to .045” also.

I assume the cam is still using the comp 9...
Forum: Pontiac - Street 03-11-2023, 02:11 PM
Replies: 355
Views: 72,185
Posted By Verdoro 68
New pushrods received. They fit like a glove....

New pushrods received. They fit like a glove. Adjusted the valves and primed the engine while rotating the crank. I saw plenty of oil getting around so my son and I proceeded to put the distributor,...
Forum: Pontiac - Street 03-06-2023, 08:45 PM
Replies: 33
Views: 3,850
Posted By lust4speed
The front pulleys are made for a wider belt, and...

The front pulleys are made for a wider belt, and if the belt rides too deep in the wider grooves it could ride on the bottom flat of the pulley. Without getting specific on belt numbers, mine takes...
Forum: Pontiac - Street 03-04-2023, 06:05 PM
Replies: 30
Views: 2,157
Posted By Lemans64
Just another question here, Why is it that some...

Just another question here, Why is it that some people opt for the improved Bigger braking system when the original system is very good?
Was there a Problem with the original system or just figured...
Forum: Pontiac - Street 03-04-2023, 03:26 PM
Replies: 13
Views: 1,504
Posted By b-man
Get rods that are bushed for floating pins,...

Get rods that are bushed for floating pins, pressing pins is the best way to damage your pistons and any shop doing the pressing won’t take responsibility if they damage your pistons.

There’s...
Forum: Pontiac - Street 07-19-2022, 09:56 AM
Replies: 23
Views: 2,805
Posted By jd0n88
Do you have the correct width belts? The parts...

Do you have the correct width belts? The parts stores now sell us the same width belt for the alt and ps. On my car ('76 GP) the PS belt should be slightly wider than the Alt belt, 7/16" vs 3/8"...
Forum: Pontiac - Street 05-20-2022, 11:14 PM
Replies: 469
Views: 70,328
Posted By b-man
Closed. :ranger: The sheer number of...

Closed.

:ranger:

The sheer number of off topic posts and full page double spaced posts have rendered most of this thread unreadable.

Let’s not continue this here or in any other threads on...
Forum: Pontiac - Street 04-24-2022, 06:17 PM
Replies: 38
Views: 7,517
Posted By gavin
I don’t know why the cast 455 after market...

I don’t know why the cast 455 after market cranks don’t offer a 3” main version with the Pontiac journal size. They already have the casting it’s just a mater of making the mains 3”. This would make...
Forum: Pontiac - Street 02-13-2022, 10:28 AM
Replies: 54
Views: 6,675
Posted By mgarblik
EFI vs Carburetor is becoming the age old...

EFI vs Carburetor is becoming the age old question, now that conversions have been around so long. IMO, EFI is continuing to close the gap. In the past, EFI was way, way more expensive, and...
Forum: Pontiac - Street 11-28-2021, 05:15 PM
Replies: 241
Views: 40,115
Posted By i82much
i like old cars because they are old cars, so i...

i like old cars because they are old cars, so i have old car things on my old car, like a pontiac engine, a carburetor, a distributor, 15 inch wheels, and fuzzy dice. if someone wants to convert...
Forum: Pontiac - Street 08-02-2021, 12:00 PM
Replies: 65
Views: 14,790
Posted By mgarblik
Well Randy, here is my rant, I just can't help...

Well Randy, here is my rant, I just can't help myself. If your motorhome would have been filled with a couple hundred IRON D-Port aftermarket heads to the point the motorhome was going down the...
Showing results 1 to 14 of 14

 
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