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Forum: Pontiac - Race 12-05-2023, 11:04 PM
Replies: 135
Views: 17,032
Posted By Johnny406
If you're running a solid flat tappet, the HR...

If you're running a solid flat tappet, the HR springs are quite adequate.
Forum: Pontiac - Race 12-03-2023, 09:11 PM
Replies: 135
Views: 17,032
Posted By Johnny406
Does anyone know what the valve spring...

Does anyone know what the valve spring open/closed pressure is on the SM HR heads?
Forum: Pontiac - Race 12-02-2023, 10:55 PM
Replies: 135
Views: 17,032
Posted By Johnny406
Mine came in yesterday as well. I'm going to try...

Mine came in yesterday as well. I'm going to try to pull the 463 out of my 78 T/A next week (weather pending), I'll match them up and do some comparison pictures with my KRE D-ports once those heads...
Forum: Pontiac - Race 11-25-2023, 09:48 PM
Replies: 135
Views: 17,032
Posted By Johnny406
Tom, what was the I/H of the Speedmaster springs?...

Tom, what was the I/H of the Speedmaster springs? Thanks, John
Forum: Pontiac - Race 11-24-2023, 01:26 AM
Replies: 135
Views: 17,032
Posted By Johnny406
Sale is on now!!

Sale is on now!!
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