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Forum: 66-67 GTO Tempest & LeMans TECH 04-28-2023, 02:18 PM
Replies: 12
Views: 973
Posted By bdk1976
Get a Lemans/tempest hood - I have cut up and/or...

Get a Lemans/tempest hood - I have cut up and/or tossed a few over the years as they are virtually worthless on the used market.
Forum: 66-67 GTO Tempest & LeMans TECH 04-28-2023, 01:50 PM
Replies: 12
Views: 973
Posted By 242177P
Have you already got one? Because Pontiac tunnel...

Have you already got one? Because Pontiac tunnel rams aren't common, and they certainly aren't cheap. If money doesn't matter, the 65-67 flat hood is reproduced.
Forum: 66-67 GTO Tempest & LeMans TECH 04-28-2023, 12:03 PM
Replies: 12
Views: 973
Posted By ZeGermanHam
No, a '67 Chevelle hood will not fit on your GTO....

No, a '67 Chevelle hood will not fit on your GTO. Totally different shape.

If you're planning to cut the hood up anyway, just get a re-pop GTO hood.
Forum: 66-67 GTO Tempest & LeMans TECH 04-28-2023, 02:57 AM
Replies: 12
Views: 973
Posted By Kenth
Why Chevelle hood? There has to be as many...

Why Chevelle hood? There has to be as many 1965-67 Pontiac Tempest/LeMans hoods out there.

JMHO
Forum: 66-67 GTO Tempest & LeMans TECH 04-15-2023, 05:26 PM
Replies: 10
Views: 1,206
Posted By gtorich
Thanks Bart..............a little purdy pic for...

Thanks Bart..............a little purdy pic for you............all painted and ready to go.

Rich
Forum: 66-67 GTO Tempest & LeMans TECH 04-10-2023, 09:04 PM
Replies: 10
Views: 1,206
Posted By b-man
This. If what you have is working just...

This.

If what you have is working just modify it some to make it work better, don’t overthink it or waste your money. Hot rodding requires welding and fabricating sometimes, just get your local...
Forum: Pontiac - Street 01-21-2023, 08:52 PM
Replies: 43
Views: 7,099
Posted By geeteeohguy
This is incorrect. The early Pontiac Safe-T-Track...

This is incorrect. The early Pontiac Safe-T-Track limited slips were all cone type and ALL require limited slip additive. Says so on the tag on the diff, and in the factory manuals. Without the...
Forum: Pontiac - Street 01-20-2023, 11:17 AM
Replies: 43
Views: 7,099
Posted By chiphead
I know this is an old thread, but was looking for...

I know this is an old thread, but was looking for this info for my '67 posi rear end. Also found this tech article, full of good info:

https://www.widman.biz/uploads/Transaxle_oil.pdf
Forum: Pontiac - Race 10-21-2022, 07:29 PM
Replies: 67
Views: 5,169
Posted By mgarblik
Little update on new bathtub intake for street...

Little update on new bathtub intake for street use. I now have the engine in the car and have driven it about 100 miles. The little issue between 35-50 MPH, light throttle was an eye opening...
Forum: Pontiac - Race 08-30-2022, 03:16 PM
Replies: 67
Views: 5,169
Posted By 25stevem
I don’t know if you folks have ever seen this...

I don’t know if you folks have ever seen this guide chart for exh header tube size, but I have found it extremely accurate!

The only tempering I add to this is if I need more exh flow then the...
Forum: 66-67 GTO Tempest & LeMans TECH 09-23-2021, 05:59 PM
Replies: 121
Views: 27,331
Posted By keepat
66 Nightwatch Blue GTO

Been about 11 years since my last Pontiac project (72 Trans Am) My 1st car was a 1966 GTO that I bought in 1981 and sold in 1986. I unable to find my my 1st GTO so I started to looking for Orginal...
Forum: Pontiac - Street 04-24-2021, 07:45 PM
Replies: 67
Views: 8,759
Posted By MidnightAuto
Well here is an update. My kre heads arrived...

Well here is an update. My kre heads arrived today. 290 cfm port-that’s as big as Jeff said the tripower intake could work with. That’s a 60243 cam as well. So I’m excited to get this together...
Forum: Pontiac - Street 03-07-2021, 05:36 PM
Replies: 67
Views: 8,759
Posted By geeteeohguy
Years ago Hot Rod or a similar magazine had a...

Years ago Hot Rod or a similar magazine had a tripower vs G-jet shoot out on a near new '68 GTO with a 428 and TH400 with a 3.55 gear, IIRC. The ONLY change they made was to swap the stock Q-jet and...
Forum: Interior TECH 04-01-2019, 12:34 PM
Replies: 26
Views: 11,055
Posted By JLMounce
For most of the popular cars out there, Dynamat...

For most of the popular cars out there, Dynamat also has their custom cut kits which provide what's needed in pre-cut sheets for easy install.

You only really need 50-75% coverage depending on the...
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