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Thread: fbody/truck tunning

  1. #1
    Join Date
    Apr 2003
    Location
    Allen, Tx(DFW)
    Posts
    445
    I noticed in Edit that the fbodies flow rate changes as the kpa does. However for the truck it stays the same. Anybody now why? Also the PE/RPM table for the fbody stays the same accross the board but the trucks do not.
    The reason Im asking is that a friend of mine has his truck tuned and the tuner changed the flow rate to increase as the kpa changes.(like the fbody). On the PE table he changed the multiplier to the same figure at all rpms.(like the fbody)
    02 Silverado
    02 TrailBlazer

  2. #2
    Join Date
    Mar 2003
    Location
    San Antonio, TX
    Posts
    11,038
    Not sure why they stay the same across the board, but I change them all the time according to what the truck/car needs.
    As you increase rpm and decrease vaccuum, you're gonna need more fuel, so making the PvsRPM scale down slowly is correct.
    The IFR table can also be changed to what is needed. Just don't jump too far in values, you'll get a miss like feeling or a hesitation.

    later,

    allen

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