12-07-2004, 07:01 AM
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Senior Club Cobra Member
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Join Date: Jan 2001
Location: Bloomfield Hills, (Detroit area),
Mi
Cobra Make, Engine: Superformance 156, ex Paxton 351, now a 392 Ford Racing Stroker
Posts: 1,666
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Not Ranked
I have a Pro-Systems custom built 780 Holley on my 392 stroker, I told Patrick at Pro-Systems what i wanted, what the engine specs were and the carb has been outstanding , right out of the box. Only adjustments needed were minor idle screw tweaks. Have had the car on a chassis dyno for tuning and air/fuel ratio was RIGHT ON and no jets or other adjustments needed. The carb has no choke in my case, yet starts right up and is great in all rpm ranges in all gears, even at 1300 rpm's in 3rd gear pulling up a hill. I just cant get it to NOT PERFORM RIGHT, even when i try for kicks. Pro-Systems also did the custom build of my 780 Holley when I had it on my prior 351w crate with a Paxton Blower. Great carb then too. They do great work ! Several friends have used them too for their carb builds and all report same outstanding out of the box performance. Bill
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