[popeye2507]

have a 88 mustang coverted to mass air.. gt40p heads and explorer intake gt40 ..e303 cam 70 throttle body and 73 mass air..cold air intake in fender, electric fan and msd box and coil, 14 degrees of timing...1 5/8 short header ..off road hpipe 2 1/2 AND FLOWMASTER AFTERCATs 2 1/2..smog pump removal underdrive pulleys..2000stall coverter might be 2200..shift kit in aod.. 373 gears five lug rear disk brake..what should it run in 1/4 mile..

another guestion about fuel pressure should be a good start if i put in a adj.reg. if i run race 110 octane should i raise timing..thanks mark

[2mchtoy]

1st off, no need to run race gas as it will only burn slower and actually slow you down on the compression you are at, which should be around 9:1. Start at about 12 degrees on your timing and go up from there as every car is different. You will most likley be in the low 13's with drag radials. Tom