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Forum: Tri-Power Tech 03-08-2020, 11:23 AM
Replies: 113
Views: 55,574
Posted By carbking
Kenth - none of the Rochester material I have...

Kenth - none of the Rochester material I have gives a reason for changing from the vented gaskets to the solid gaskets on the outer carbs.

I will hazzard a guess!

Since the reason for the...
Forum: Tri-Power Tech 03-01-2020, 07:11 PM
Replies: 113
Views: 55,574
Posted By carbking
For those who have not seen a calibration sheet,...

For those who have not seen a calibration sheet, information on a specific 4-barrel used on a 421 engine.

Idle circuit:

Jet 0.038
Bypass 0.0595
Economiser 0.055
Bleed 0.0492
Port 0.200 x...
Forum: Tri-Power Tech 03-01-2020, 05:40 PM
Replies: 113
Views: 55,574
Posted By carbking
In todays world on the internet, copyrights...

In todays world on the internet, copyrights almost seem anachronistic, but corporate attorneys have no sense of humor, and forgiveness is not in their DNA.

For those that may be unaware,...
Forum: Tri-Power Tech 03-01-2020, 04:03 PM
Replies: 113
Views: 55,574
Posted By carbking
Tom - not after 1959. Up to 1959, there were...

Tom - not after 1959. Up to 1959, there were additional sheets included that gave this information. And some of the orifice information is contained in the 6B section of the Pontiac shop manuals.
...
Forum: Tri-Power Tech 03-01-2020, 01:19 PM
Replies: 113
Views: 55,574
Posted By carbking
Tom - the tripower specifications have been...

Tom - the tripower specifications have been available in the master books as mentioned by chrisp for years. The books were available by subscription to mechanics attending GM schools.

While I...
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