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Forum: Pontiac - Street 02-16-2024, 07:01 PM
Replies: 11
Views: 1,576
Posted By locomotivebreath
https://5speeds.com/

https://5speeds.com/
Forum: Pontiac - Street 02-09-2024, 12:25 PM
Replies: 515
Views: 159,941
Posted By Stan65
So after a long wait I have the prototype dog...

So after a long wait I have the prototype dog bones made. Hopefully in a few weeks I’ll have more info. Not sure what costs will be if I go forward with mass producing some. There are definitely...
Forum: Pontiac - Street 01-25-2024, 09:09 PM
Replies: 46
Views: 7,752
Posted By mgarblik
At my school, we build and dyno 6-8 flat tappet...

At my school, we build and dyno 6-8 flat tappet cam engines a year. In the last 20 years we have lost one cam on the dyno I mentioned in a previous post. So that is a minimum of 120 up to 160...
Forum: Pontiac - Race 12-02-2023, 10:44 PM
Replies: 148
Views: 26,591
Posted By chiefbigb
Unless something has changed 1.65 will work out...

Unless something has changed 1.65 will work out the box. 1.5 will need work to fit
Forum: Pontiac - Street 02-27-2023, 10:16 AM
Replies: 157
Views: 22,672
Posted By mgarblik
Obviously, at least 1 valve seat has fallen out...

Obviously, at least 1 valve seat has fallen out of a Speedmaster head, Pontiac or otherwise. But that certainly isn't unique to Speedmaster. They are concerned enough to throw a disclaimer in the...
Forum: Pontiac - Street 01-07-2022, 10:24 PM
Replies: 27
Views: 6,285
Posted By tom s
I actually have no use for the heads at this...

I actually have no use for the heads at this time.If I was to build a engine and use my normal hyd roller cam Im sure I would change the springs.I bought a set of factory 69 round port long branch...
Forum: 67-69 Firebird TECH 02-04-2014, 01:57 PM
Replies: 21
Views: 1,918
Posted By 68400BIRD
Sorry it took so long. ...

Sorry it took so long.
http://i319.photobucket.com/albums/mm461/che77vy/DSC07061.jpg (http://s319.photobucket.com/user/che77vy/media/DSC07061.jpg.html)...
Forum: SOLD Parts 12-19-2013, 04:28 PM
Replies: 4
Views: 579
Posted By 67cruiser
Sold!!

Sold!!
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