Can a stock ecm be swapped for a ACCEL ecm without changing anything else?
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Joined: Feb 2001
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From: Newark,NJ The state where racing on I 78 rules.
Can a stock ecm be swapped for a ACCEL ecm without changing anything else?
Hi all,
Ive noticed that the factory GM ecm & the Accel ecm looks similar in appearance. Is it possible to buy a Accel ecm for my 86 tpi & simply swap one for the other? Do the wiring harness for the ecm in both units plug in the same way? Do the Accel unit use all of the original GM sensors? I would rather buy the Accel's ecm & practice my programing skills with the portable programer that they sell instead of burning chips. Chip burning seems very complicated
Thanx
njdaewoo
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86 Tramaro 90% Trans Am/ 10% IROC/Z (nose, hood,& fenders)
Trans Am Mods as of 1/10/01
3inch
T.E.S/Flowmaster setup,gutted cat,gutted maf,relocated mat,373 gears,upgraded factory chip,255 lph walpro f/pump & throttle body coolant bypass
njdaewoo@excite.com
New mods as of 6/10/01:
383sb engine
Comp Cam Xteme XR264hr-12
smog pump by-pass
Ive noticed that the factory GM ecm & the Accel ecm looks similar in appearance. Is it possible to buy a Accel ecm for my 86 tpi & simply swap one for the other? Do the wiring harness for the ecm in both units plug in the same way? Do the Accel unit use all of the original GM sensors? I would rather buy the Accel's ecm & practice my programing skills with the portable programer that they sell instead of burning chips. Chip burning seems very complicated
Thanx
njdaewoo
------------------
86 Tramaro 90% Trans Am/ 10% IROC/Z (nose, hood,& fenders)
Trans Am Mods as of 1/10/01
3inch
T.E.S/Flowmaster setup,gutted cat,gutted maf,relocated mat,373 gears,upgraded factory chip,255 lph walpro f/pump & throttle body coolant bypass
njdaewoo@excite.com
New mods as of 6/10/01:
383sb engine
Comp Cam Xteme XR264hr-12
smog pump by-pass
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iTrader: (1)
Joined: Mar 2001
Posts: 1,100
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From: In the corner of my mind!
Car: 1989 TTA #1240
Engine: 3.8 SFI turbo
Transmission: 2004r
Axle/Gears: 3.27
programming wth the accel takes less time since it's on the fly tthey do make adapter harnesses for the accel to control tthe engine and the original ecm to control everything else to much money 1200 atleast
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87 trans am,gm crate 350(4 bolt mains 10to1),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,gutted airbox,t-5 tranny w/centerforce clutch and a 3.27 9bolt(11.9in. brakes),ed wright's fastchip,relocated iat sensor,160 fan switch,tb bypass,accel supercoil,cap& rotor,hollowed maf,slp 3in. catback,a/c delete.
shooting for 13's!!!!!!!
14.10@97mph w/2.01 60'(auto ET)
slp catback is finally on!!!
fastchip prom is in.
kicks you in the *** at wot.
FLOWMASTER S.U.C.K.S
------------------
87 trans am,gm crate 350(4 bolt mains 10to1),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,gutted airbox,t-5 tranny w/centerforce clutch and a 3.27 9bolt(11.9in. brakes),ed wright's fastchip,relocated iat sensor,160 fan switch,tb bypass,accel supercoil,cap& rotor,hollowed maf,slp 3in. catback,a/c delete.
shooting for 13's!!!!!!!
14.10@97mph w/2.01 60'(auto ET)
slp catback is finally on!!!
fastchip prom is in.
kicks you in the *** at wot.
FLOWMASTER S.U.C.K.S
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Posts: n/a
The accel piggyback unit was discontinued a long time ago, and it was around 600 bucks including software.
The DFI is not a direct replacement, you will need an adapter harness for it to work. I have seen anywhere from 125 to 400 for an adapter harness.
The DFI is not a direct replacement, you will need an adapter harness for it to work. I have seen anywhere from 125 to 400 for an adapter harness.
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