dominator?

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Putting a 540 bracket motor together,13.5-comp 750 ish lift cam,with 280 dur, RHS alum heads360CC as cast,2500 lb car,5.14 gear with a glide.found a great deal on a 1250 brand new in the box for $600,I know it's a little big but how much will it hurt me and i guess it would be on the low end where i will loose the most?

[jmarksdragster]

As long as you have the stall speed above peak torque it should handle it. I would guess you need around 5800 to 6000 stall, your 5.14 gear will help a little as well. It's about keeping the velocity high in the induction tract, the higher it is the bigger you can usually get away with. 80532 or 80533? 80532 has a little better bleed setup, but for either I would remove the intermediate bleeds (leave them out) and run .025 in the MAB's to start with. Jet as the engine needs.

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Yep that's about where I'm at 8" converter stalls 5500-5800.Thanks for the reply and It is a 80532 .May stall a little higher with the new motor,went from a pump gas 502 to a 13.8 540.Thanks again.!!

It has 100 n jets in it now,with power valves front and rear,should I remove the rear power valve and jet up 6-7 in the rear larger than what the front ends up at?.

[jmarksdragster]

The 80532 and 80533 both come from Holley with 97 square and NO power valves. Someone has messed with it. Go back to 97 square, if you want to run a primary PV start with 93's in the front, do NOT use one in the secondary. Make sure you use notched floats and jet extensions. You may want to post the #'s off the metering blocks, make sure they are correct for the carb. I won't be home till tomorrow night, I can get the #'s off of the blocks I removed from mine to compare. Some times the carb's list # is on the blocks, but not always. Here is the websites for Holley info.

For General carb info
http://www.holley.com/data/TechService/Technical/Carb%20Numerical%20Listing.pdf

Bleed data for carbs with Holley installed removable bleeds
http://www.holley.com/data/TechService/Technical/Air%20Bleed%20Specifications.pdf

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Thanks my buddy.!!!!