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Search took 0.00 seconds. Search: Posts Made By: Jay S
Forum: Pontiac - Street 10-12-2021, 12:06 PM
Replies: 89
Views: 10,981
Posted By Jay S
The 46 heads that I know of all had 1.96 valves...

The 46 heads that I know of all had 1.96 valves from the factory, not 2.11. I know the 46s predecessor the 4C with a 2bbl had pressed in studs. Seems like I remember not all 46 heads were screw in,...
Forum: Pontiac - Street 10-11-2021, 11:38 AM
Replies: 89
Views: 10,981
Posted By Jay S
Shiny, the 1970 350 had a Gross HP rating which...

Shiny, the 1970 350 had a Gross HP rating which is power measure with the dyno right up to the flywheel with no accessories, the 1973 had a SAE rating which is taken from the back of the...
Forum: Pontiac - Street 10-11-2021, 10:20 AM
Replies: 89
Views: 10,981
Posted By Jay S
Sorry, should have added that 58.5* intake...

Sorry, should have added that 58.5* intake closing @.006” tappet is for the 2800. Installed dot to dot it will usually run 59*-60*, I often check the intake closing down at the cam when I build...
Forum: Pontiac - Street 10-11-2021, 08:19 AM
Replies: 89
Views: 10,981
Posted By Jay S
The various year 2 bbl 350 engines are closer to...

The various year 2 bbl 350 engines are closer to the same compression than most realize. Starting out from 68 to 72 the 350s had valve bore scallops on both the intake and exhaust and had about 3...
Forum: Pontiac - Street 10-09-2021, 12:13 AM
Replies: 89
Views: 10,981
Posted By Jay S
Can’t beat that! Go this order…first…gear...

Can’t beat that!

Go this order…first…gear change to 3.08-3.23
Second….2.5” mandrel exhuast system
Third….4 bbl q jet
Fourth….cam change to that 2800

I suggest not try the cam swap first. ...
Forum: Pontiac - Street 10-08-2021, 09:20 PM
Replies: 89
Views: 10,981
Posted By Jay S
The larger duration numbers for those 2800 and...

The larger duration numbers for those 2800 and 2801 are SAE numbers. Rocker arm ratios have an effect on those numbers. Rated at .006” at the valve. The numbers Stan posted are pretty close to...
Showing results 1 to 6 of 6

 
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