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Forum: 67-69 Firebird TECH 09-18-2024, 11:53 AM
Replies: 727
Views: 49,129
Posted By north
This car reminds me of a car I looked at about 20...

This car reminds me of a car I looked at about 20 years ago. It was a burgundy (or whatever it was called in 68) GTO hardtop with a non HO 71 455 (from a GTO). It had a black interior, original...
Forum: 68-69 GTO Tempest & LeMans TECH 09-17-2024, 10:26 PM
Replies: 373
Views: 43,151
Posted By north
Nifty, do you think that’s the first ever runs...

Nifty, do you think that’s the first ever runs for the car? Those are about the times I’d expect bone stock from the factory. I never ran my LeMans HO at the track but it (3990 without me but a...
Forum: 68-69 GTO Tempest & LeMans TECH 09-13-2024, 02:50 PM
Replies: 4
Views: 425
Posted By north
All the HD filter option entailed is an oil...

All the HD filter option entailed is an oil soaked sponge snugged over the outside of the regular paper air filter. The air cleaner assemblies themselves were identical to the regular ones (except...
Forum: Big Pontiac (incl G-body)Parts For SALE 09-08-2024, 01:52 PM
Replies: 22
Views: 3,158
Posted By north
Is the front bracket the style that bolts to the...

Is the front bracket the style that bolts to the bumper or the one that hangs on the lip of the valence with a screw into the valance?
Forum: 61-77 GTO, Tempest & LeMans Parts For SALE 09-08-2024, 01:49 PM
Replies: 4
Views: 384
Posted By north
still have it?

still have it?
Forum: 69-77 Grand Prix TECH 09-08-2024, 01:36 PM
Replies: 4
Views: 640
Posted By north
Those ATC systems complicate things. I'd have a...

Those ATC systems complicate things. I'd have a look at the ATC section in the 69 shop manual. A lot of different components could cause your issue.
Forum: 67-79 Big Pontiac TECH 09-03-2024, 09:04 AM
Replies: 13
Views: 944
Posted By north
If you are restoring a GTO or Firebird NOS...

If you are restoring a GTO or Firebird NOS weatherstrip is unobtainium. Sets of nos door weatherstrip can pull thousands. However, if you are working on fullsized models NOS weatherstrip is...
Forum: 67-79 Big Pontiac TECH 09-02-2024, 11:27 PM
Replies: 13
Views: 944
Posted By north
They might slightly improve but all repro...

They might slightly improve but all repro weatherstrip is total crap compared to factory stuff. Original material was a very low density open cell foam with a latex skin. This made for very soft...
Forum: 67-69 Firebird TECH 08-25-2024, 07:09 PM
Replies: 4,599
Views: 796,265
Posted By north
I’m sure a few others will chime in but it has...

I’m sure a few others will chime in but it has been shown in many books and magazine articles. I think the most clear description of the difference is in the first gen Firebird book by Rocky.
...
Forum: 67-69 Firebird TECH 08-25-2024, 05:10 PM
Replies: 4,599
Views: 796,265
Posted By north
The 62 heads have a larger combustion chamber so...

The 62 heads have a larger combustion chamber so produce about 9.8 to one actual compression ratio versus the 48’s delivering about 10.25.
Forum: 69-71 Judges only TECH 08-20-2024, 04:03 PM
Replies: 9
Views: 1,062
Posted By north
All factory ride height measurements called for...

All factory ride height measurements called for full tank of fuel and no cargo or passengers. Typically they only gave one set of measurements so they’d be based on base tires. Typically the G70’s...
Forum: 69-71 Judges only TECH 08-20-2024, 04:00 PM
Replies: 1
Views: 209
Posted By north
69 GTO-LeMans came with a soft dense cardboard...

69 GTO-LeMans came with a soft dense cardboard insulator that hung on two tabs formed into the divider, some but not all cars had a spray on glue as well to hold it GP’s often had a tar layer on...
Forum: 67-69 Firebird TECH 08-09-2024, 09:24 PM
Replies: 23
Views: 2,261
Posted By north
Matador Red was a quite popular color in 69 but...

Matador Red was a quite popular color in 69 but for some reason you rarely see it on Firebird. I always wondered about the name? Matador, are they referring to the color of his cape or the blood...
Forum: 68-69 GTO Tempest & LeMans TECH 08-06-2024, 11:10 AM
Replies: 373
Views: 43,151
Posted By north
Years ago I swapped out the factory 2 bbl carb...

Years ago I swapped out the factory 2 bbl carb and intake on a 69 Cat (400-290, 2bbl carb, th400, 2.73) with a stock 69 Qjet and intake. Everything else was untouched and bone stock. The...
Forum: 68-69 GTO Tempest & LeMans TECH 08-05-2024, 07:19 PM
Replies: 373
Views: 43,151
Posted By north
My comment about mileage is not really my own,...

My comment about mileage is not really my own, I've seen it mentioned in several 1968-72 period magazine articles (all with 350 2bbl LeMans cars) that the Pontiac's got the worst mileage of their...
Forum: 68-69 GTO Tempest & LeMans TECH 08-05-2024, 03:19 PM
Replies: 373
Views: 43,151
Posted By north
The 69 350 HO was a strong engine, at 330 horse,...

The 69 350 HO was a strong engine, at 330 horse, it was substantially upgraded from 68 and 1969 was its last year. By comparison other 4bbl high compression 350ish engines were lower:
the 4bbl 350...
Forum: 68-69 GTO Tempest & LeMans TECH 08-04-2024, 01:18 PM
Replies: 373
Views: 43,151
Posted By north
Honestly I do it myself mostly. The factory shop...

Honestly I do it myself mostly. The factory shop manual offers a great step by step process to go through all the components. If I start with a carb that runs decently I just do a disassembly and...
Forum: 68-69 GTO Tempest & LeMans TECH 08-04-2024, 07:59 AM
Replies: 373
Views: 43,151
Posted By north
Rear package shelf looks like the jute variety so...

Rear package shelf looks like the jute variety so must have had a factory ordered rear speaker for the AM radio. Virgin speckle in the trunk.
Forum: 68-69 GTO Tempest & LeMans TECH 08-04-2024, 07:49 AM
Replies: 373
Views: 43,151
Posted By north
Super dry car. The marks in the carpet are just...

Super dry car. The marks in the carpet are just light reflection. It has the Custom S non-perforated headliner and it has the non retracting wipers. No decor group evidenced by the lack of drip...
Forum: 68-69 GTO Tempest & LeMans TECH 08-03-2024, 09:38 PM
Replies: 373
Views: 43,151
Posted By north
I’ve had good luck in recent years with...

I’ve had good luck in recent years with accelerator pumps from quadrapower (I think that’s the right name). They seem to be holding up on several cars for several years now and in Southern Maine...
Forum: 68-69 GTO Tempest & LeMans TECH 08-03-2024, 10:57 AM
Replies: 373
Views: 43,151
Posted By north
I’ve often used the 262 as alternate on engines...

I’ve often used the 262 as alternate on engines that were built with 268’s and never had any issue with performance or drivability. The only real difference is that hot idle vent thingy on the back....
Forum: 68-69 GTO Tempest & LeMans TECH 07-10-2024, 02:51 PM
Replies: 18
Views: 2,070
Posted By north
The factory did offer convertible frames on...

The factory did offer convertible frames on hardtop cars, but only as part of HD towing packages (which do not show up in the normal order forms).
Forum: 68-69 GTO Tempest & LeMans TECH 07-10-2024, 02:46 PM
Replies: 10
Views: 597
Posted By north
68 to 72 top frame (not the car chassis frame)...

68 to 72 top frame (not the car chassis frame) would be interchangeable between all A body cars 68-72.
Forum: 68-69 GTO Tempest & LeMans TECH 07-10-2024, 02:43 PM
Replies: 6
Views: 516
Posted By north
the purpose of those tags was warranty work. One...

the purpose of those tags was warranty work. One of the most common new car warranty repairs on new cars back then was rattles, wind noise and/or water leaks from window misalignment. Unscrupulous...
Forum: 67-69 Firebird TECH 07-10-2024, 02:30 PM
Replies: 1
Views: 323
Posted By north
I'm not sure for 68 but in general they would be...

I'm not sure for 68 but in general they would be black for most body colors but cars painted certain colors (typically never very light or dark colors) received matching color on the basic wheel if...
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