piggy back ecm
07-18-2001, 04:04 PM
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Car: 1989 TTA #1240
Engine: 3.8 SFI turbo
Transmission: 2004r
Axle/Gears: 3.27
piggy back ecm
a while ago i thought accel was selling a small piggy back ecm for gm ecm's with a two way harness that connects from the engine and back to the original ecm and read that it intercepts the original computers commands and alters them as well as altering the readings of the sensors on the way back has anyone heard of this?is it programmable?
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87 trans am 350,L98 aluminum heads,LT4 hot cam,slp runners,slp 1 5/8 headers,3in.y-pipe,edelbrock base,hi flo cat,air foil,afpr,as&m ported plenum,t-5 tranny w/centerforce clutch and a 3.27 9bolt(11.9in. brakes),ed wright's fastchip,relocated iat sensor,tb bypass,accel supercoil,hollowed maf,slp 3in. catback,a/c delete.
oh!no!i think my maf is going!!!!!!!!!!!!
14.10@97mph w/2.01 60'
slp catback is finally on!!!
fastchip prom is in.OH!MAN!
FLOWMASTER S.U.C.K.S
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87 trans am 350,L98 aluminum heads,LT4 hot cam,slp runners,slp 1 5/8 headers,3in.y-pipe,edelbrock base,hi flo cat,air foil,afpr,as&m ported plenum,t-5 tranny w/centerforce clutch and a 3.27 9bolt(11.9in. brakes),ed wright's fastchip,relocated iat sensor,tb bypass,accel supercoil,hollowed maf,slp 3in. catback,a/c delete.
oh!no!i think my maf is going!!!!!!!!!!!!
14.10@97mph w/2.01 60'
slp catback is finally on!!!
fastchip prom is in.OH!MAN!
FLOWMASTER S.U.C.K.S
07-18-2001, 05:12 PM
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Car: An Ol Buick
Engine: Vsick
Transmission: Janis Tranny Yank Converter
<font face="Verdana, Arial" size="2">Originally posted by PETE:
a while ago i thought accel was selling a small piggy back ecm for gm ecm's with a two way harness that connects from the engine and back to the original ecm and read that it intercepts the original computers commands and alters them as well as altering the readings of the sensors on the way back has anyone heard of this?is it programmable?
</font>
a while ago i thought accel was selling a small piggy back ecm for gm ecm's with a two way harness that connects from the engine and back to the original ecm and read that it intercepts the original computers commands and alters them as well as altering the readings of the sensors on the way back has anyone heard of this?is it programmable?
</font>
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