Forum: Pontiac - Street
02-13-2025, 06:42 PM
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Replies: 31
Views: 1,973
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Forum: Pontiac - Street
02-11-2025, 06:07 PM
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Replies: 165
Views: 15,924
After the initial break-in the pressures...
After the initial break-in the pressures stabilize and stay like that for a long time. Sometimes we'll shim up expensive roller springs depending on the application. But for the most part once the...
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Forum: Pontiac - Street
02-10-2025, 10:32 PM
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Replies: 165
Views: 15,924
I beg to differ. The aftermarket springs were...
I beg to differ. The aftermarket springs were installed without machining the valve stem "boss". The inner spring sat 1/4" above the seat (and the outer spring), giving an effective seat pressure...
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Forum: Pontiac - Street
02-10-2025, 01:07 PM
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Replies: 165
Views: 15,924
Trans, clutch, shifter, starter, linkage,...
Trans, clutch, shifter, starter, linkage, exhaust, driveshaft, etc all re-installed. What a pain. Now to finish the top parts, pre-lube and break her in.
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Forum: Pontiac - Street
02-05-2025, 02:00 AM
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Replies: 31
Views: 2,210
OP. Just check everything. Even the larger name...
OP. Just check everything. Even the larger name heads are junk. Just got a set of Eheads complete. Almost 0.020 valve seat runout and poor port entry. October 2024 production. Will be checking guides...
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Forum: Pontiac - Street
01-31-2025, 04:18 PM
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Replies: 21
Views: 1,251
[QUOTE=P@blo;6548707]That picture was as bought...
[QUOTE=P@blo;6548707]That picture was as bought but the valves sit the same. The heads have since went in for new solid bronze guides, valve job, and springs. My shop does not like to use the seat...
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Forum: Pontiac - Street
01-29-2025, 10:09 AM
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Replies: 31
Views: 1,931
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Forum: Pontiac - Street
01-29-2025, 12:35 AM
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Replies: 31
Views: 2,210
My pleasure.
Brian the guy doing the video...
My pleasure.
Brian the guy doing the video is a pretty accomplished VW engine builder, very meticulous and detail oriented. He’s currently building a 140 hp 2276 for my 1966 VW bus pickup truck to...
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Forum: Pontiac - Street
01-28-2025, 03:53 PM
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Replies: 31
Views: 1,931
Again .. You can lead a horse to water... Goes...
Again .. You can lead a horse to water... Goes on like paint dries doesnt fall off with a little oil splash ... i even coated my pistons, bottom of the cylinders under ring travel fogged where...
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Forum: Pontiac - Street
01-22-2025, 06:22 AM
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Replies: 31
Views: 3,604
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Forum: Pontiac - Street
01-21-2025, 09:35 PM
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Replies: 31
Views: 3,604
I also had an off-idle stumble on my '72 455...
I also had an off-idle stumble on my '72 455 engine with the 7041262 Q-Jet and automatic transmission that I installed in my '67 LeMans. Distributor was the stock that came with the engine and...
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Forum: Pontiac - Street
01-21-2025, 06:03 PM
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Replies: 31
Views: 3,604
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Forum: Pontiac - Street
01-17-2025, 12:42 AM
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Replies: 96
Views: 13,450
A little trivia concerning Dex Cool. Developed...
A little trivia concerning Dex Cool. Developed by Havoline for GM. The 10 year, 100,000 mile change interval was a cool bonus for this coolant but was not the only reason for it's development. At...
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Forum: Pontiac - Street
01-17-2025, 12:32 AM
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Replies: 96
Views: 13,450
There are allot of different opinions and...
There are allot of different opinions and recommendations, so I can't say with any degree of certainty. GM training I attended in the 1980's, said absolutely all coolant must be flushed out when...
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Forum: Pontiac - Street
01-16-2025, 07:50 PM
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Replies: 96
Views: 13,450
I don’t think mixing in distilled water would...
I don’t think mixing in distilled water would change the LSI much with an automotive coolant. Wouldn’t the distilled water be lowering the PH and the PHs by about the same amount?
That second...
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Forum: Pontiac - Street
01-16-2025, 06:43 PM
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Replies: 96
Views: 13,450
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Forum: Pontiac - Street
01-15-2025, 09:17 PM
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Replies: 462
Views: 116,485
All,
I just finished another run of dog...
All,
I just finished another run of dog bones (retainers).
This version has a little more clearance designed in that will hopefully eliminate all grinding on the bones to clear the different...
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Forum: Pontiac - Street
12-25-2024, 04:17 PM
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Replies: 7
Views: 280
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Forum: Pontiac - Street
12-25-2024, 01:45 PM
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Replies: 74
Views: 5,347
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Forum: Pontiac - Street
12-25-2024, 01:30 PM
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Replies: 7
Views: 280
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Forum: Pontiac - Street
12-25-2024, 09:53 AM
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Replies: 7
Views: 280
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Forum: Pontiac - Street
12-24-2024, 10:51 PM
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Replies: 7
Views: 280
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Forum: Pontiac - Street
12-24-2024, 10:42 PM
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Replies: 7
Views: 280
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Forum: Pontiac - Street
12-24-2024, 10:36 PM
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Replies: 7
Views: 280
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Forum: Pontiac - Street
12-24-2024, 10:11 PM
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Replies: 7
Views: 280
Merry Christmas and happy holidays!
Happy Holidays and Blessings to All of the Pontiac Community
Hey Everybody, I just wanted to thank everyone for all the help and recognize that we ALL contribute to building the Pontiac Community....
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