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Forum: Pontiac - Street 10-16-2019, 12:40 PM
Replies: 33
Views: 1,404
Posted By steve25
You will never get the needed even fuel...

You will never get the needed even fuel distribution with that set up if you run them progressive.

What cfm are the Carbs, hopefully not the 750 versions , but the 600's?
The 600s you can run 1...
Forum: Pontiac - Street 10-16-2019, 10:15 AM
Replies: 33
Views: 1,404
Posted By steve25
if it's open to the Exh crossover just drill &...

if it's open to the Exh crossover just drill & tap it for 1/8" pipe, there should be tons of meat there to do that.
Forum: Pontiac - Street 10-16-2019, 09:05 AM
Replies: 33
Views: 1,404
Posted By steve25
Look , I am not saying it will run bad , but...

Look , I am not saying it will run bad , but there's a definite torque loss in terms of street drivability which is where 80 % or greater of your driving time seems like it will be I will assume from...
Forum: Pontiac - Street 10-16-2019, 07:55 AM
Replies: 33
Views: 1,404
Posted By steve25
Yes, and they first showed up on the 421 motors.

Yes, and they first showed up on the 421 motors.
Forum: Pontiac - Street 10-16-2019, 07:18 AM
Replies: 33
Views: 1,404
Posted By steve25
It's still not a duel plane type.

It's still not a duel plane type.
Forum: Pontiac - Street 10-16-2019, 06:04 AM
Replies: 33
Views: 1,404
Posted By steve25
The ones that are not the 360 model(s) are more...

The ones that are not the 360 model(s) are more like the Eddy 2-4 Manifold with longer runners.

The proper way to think of the Offy 360 Manifolds is that they are of a low rise single plane...
Forum: Pontiac - Street 10-15-2019, 02:51 PM
Replies: 33
Views: 1,404
Posted By steve25
Flow to me on those offy Intakes unfortunately...

Flow to me on those offy Intakes unfortunately does not mean crap to me Tom.
The runners are all of 2 1/2 to 3 inches long so if you do the math on the tuned lenght of them even for a 480 cid motor...
Forum: Pontiac - Street 10-15-2019, 10:51 AM
Replies: 33
Views: 1,404
Posted By steve25
X2 with above! That 2-4bbl Intake is only...

X2 with above!
That 2-4bbl Intake is only better then the factory Q- jet or trips type Intake above 4500 rpm on a 400 to 428 cid motor, and even then its only maybe 5 hp better but below that it's...
Showing results 1 to 8 of 8

 
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