632 gearing

Old 02-12-2009, 03:24 AM
  #1  
motorhead540
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Default 632 gearing

i was wondering what gears most people run with a 632. i only run 1/8th mile, and currently have a 555, p/g, w/4.86 gears, 33 in tall tires. i shift at 7000 and go through the traps at 6600. since im putting in a 632 that will have about 200 more horsepower, i was wondering if gear selection was more about the car and length of track, or how much power you have. the car weighs 2760, 4 link, and have had 1.15 60 ft times. thanks for your input
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Old 03-07-2009, 08:30 PM
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evansperformance
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IF THE ENGINE MAKES ENOUGH POWER TO GO 140 MPH THROUGH THE TRAPS IT WILL ONLY TURN 6934 RPM WITH THE 4.86 AND A 33IN TIRE(DOES NOT FIGURE TIRE SPIN),THE 4.86 WILL BE LESS APT TO SHAKE THE TIRES WITH THE SHORTER TIRE THAN SAY A 4.30 OR OR 4.11,MY PERSONAL OPINION IF THE ENGINE HAS A GOOD VALVE TRAIN,GOOD RODS AND CRANK,AND A PRETTY DECENT BLOCK,I WOULD LEAVE THE GEAR LIKE IT IS OR GO 4.56,I TURN MY 632 7800-7900 BUT IT GIVES VALVE TRAIN TROUBLE ONCE IN A WHILE
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