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Forum: 77-81 Firebird & Trans Am TECH 12-10-2013, 12:48 AM
Replies: 5
Views: 2,133
Posted By rexs73gto
The 80-90 GL-4 or 5 will work but I'd use the...

The 80-90 GL-4 or 5 will work but I'd use the 80-140 syntc from Valoline with any of the extra posi additive. GM not longer sells the same whale oil posi lube. as the lube they use to have was actual...
Forum: 77-81 Firebird & Trans Am TECH 12-10-2013, 12:06 AM
Replies: 5
Views: 2,133
Posted By 78w72
80w90, i prefer valvoline, but any brand will do...

80w90, i prefer valvoline, but any brand will do that meet the gl-4 or gl-5 specs for limited slip rear ends. if its a posi then check with eaton for what additive they suggest, i just did a 30...
Forum: 77-81 Firebird & Trans Am TECH 12-09-2013, 11:26 PM
Replies: 5
Views: 2,133
Posted By 2manyT/A'S
In the "old days"...we'd use the GM oil from the...

In the "old days"...we'd use the GM oil from the dealer & they had that special additive that was reccomended......Not sure if they still sell that kinda stuff there anymore...
Forum: Pontiac - Street 11-22-2013, 02:35 AM
Replies: 4
Views: 1,096
Posted By 70pontiaction
Thumbs down I googled him - not good

If he says he does 50 Pontiacs a year, his math is probably off because
he does SBC 383s and lots of Buick V8s (on the weekends, I guess).

Found several people on a Buick board who had issue with...
Forum: Northeast 11-02-2013, 03:03 PM
Replies: 48
Views: 3,415
Posted By necdb3
It was a good turn out. Probably 100 cars in the...

It was a good turn out. Probably 100 cars in the show. Mostly Pontiacs
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