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Old 01-14-2003, 12:48 AM   #1
Metal396
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Join Date: Jun 2002
Location: Southern California
Posts: 109
Default Low RPM (vacuum?), High load bogging

My car runs sooo much faster now, just got a question..... When its at low rpm, or at idle, and i hit the gas and it will bog, only if i hit it too much. Because of this , as i leave from a dead stop, or accelorate out of a sharp corner i have to ease on the gas as the rpms go up, i can plant my foot at 2000rpm and it takes off!

I know that new gearing will help , but i gotta get to that later. This low vacuum high load (isnt that wat the powervalve takes care of?) is the only thing that my car will bog on. It makes it almost impossible to do a nice burnout, cause i can nail the gas right away.. plus i dont have a stall. Just wondering what u guys think, i know its not the most important thing, to be able to burn out but i like the idea of being able to do it when i want to hehee


And i changed the vacuum spring in my car already, from a medium light (which bogged at full throttle when under 2700rpm) to a medium hard (which does great all around). And im sure my vacuum secondaries arent kicking in at 1000 rpm lol.

Ive read somewhere about drilling tiny holes in the throttle plates to alow more air to compensate with that fuel at low rpms, but i figured some of you guys would have a better idea. And my powervalve is perfectly fine. Thanks.

Tom
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1973 Mustang Coupe 351 cleveland 2v heads
Edelbrock Performer Intake, Holley 600cfm carb
Hooker Headers, 2.5 inch pipes, Magnaflow X-pipe, Flowmaster 2 chamber mufflers with turndowns.
Stock Fmx tranny and 2.75 rear end
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