tb and plenum should give you arround 15-20 more hp. and a set of underdrive pulleys will give you arround 5-7 more hp.good #'s for the mods though. if you want something that will make a bigger seat of the pants difference, put some 4:10's in that ass!
AUTO or 5 speed?
Not saying you didn't, but 267.79 RWHP / 312.20 TQ is a bit high, esp the HP.
Auto or stick?
Stick.
The car had been sitting for a while so it was cool and I only ran it one time. I had a few things done to the car that day and i was going to have them dyno tune it, but i left my tuner at home like a dumb ass. Anyway, i did a base run just to see where my air/fuel was.
Even the guys in the office were a bit impressed, or at least they seemed to be. It is not a true average because it was only one pass.
Oh yeah. The Steeda place is also right at, or just below see level. That will also affect your numbers.
I sometimes hear that because of the range in tolerances at the factory, that some motors may come out a bit stronger than others.Some times i tend to think that cause of my previous time at the track. Again just below see level and at around 60 degree temp. before TB & P, or Pulleys, i pulled:
60' 2.223
1/8 9.004
MPH 80.07
1000 11.708
1/4 13.922
MPH 102.20
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