The specs: 540 BBC, 10 teens for ET and 131 Mph, 4.30 rear gear, 29.5 x 10.5 tires, currently 1.98 low gear PG. Shifts at 6500 and traps at 6500. I went with the 1.98 because the car weighs 3550 lbs.
Wanting to know if switching to a 1.80 would help or hurt my combo either in ET or MPH.
sounds to me like it would hurt it as far as ET goes
question though... what does your convertor flash to? shifting at 6500 is probably making the shift fall back into the convertor
On my playback it flashes to 5500. Not sure if it's possible, but it used to flash to 5200, but I changed the cam over the winter and picked up 3 tenths and now it flashes to 5500.
I am not sure but you need to make sure the 1.98 are strong enough to handle it. some of the gear ratios can not handle it.
"Our products are not designed for ED, they are designed for COMPETITIVE RACERS"
2X SHRA NE2 CHAMPION.
If you got a convertor that flashed at 6100 and shifted at 7000 i believe you will see a big ET difference
Buddy of mine just went through this testing last weekend. Car slowed down a tenth or more going from the 1.98 to the 1.80. 3400 lb 66 Chevelle with a 582. Runs 9.0's in the 1/4 mile.
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