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Ok thanks for every body’s advice. I just wanted to know if 6500rpms was around the right time to shift with that cam. When I get a chance I will try different shift rpms and see what happens.

The best time I have done was on a street quarter mile sprint. No burn out allowed and ran a 13.00 with lots of wheel spin. No 60 foot times or mph recorded just the e.t. When I ran at a proper drag strip I had fuel issues so the time slip doesn’t mean a lot but The best e.t was 13.6 with 4.10...

360.

Hi guys I am after some advice on what is the best rpm for me to be shifting on the 1/4 mile. I have a 1972 Australian Valiant Charger with a 10.2 to 1 cr mopar 528 cam 750 dp carb with eddy heads and rpm air gap manifold, 727 auto 2500 stall with 26 inch tyres and a 3.45 ratio diff. I currently...