Can I use ECM from a 305 TPI to a 350 TPI?
10-28-2012, 09:46 PM
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Car: 1987 Chevy Camaro Iroc Z
Engine: 305 TPI
Transmission: Automatic (700R4)
Axle/Gears: 3.23
Can I use ECM from a 305 TPI to a 350 TPI?
Plan on getting a 350 TPI from an 89 Firebird. Can I use my 87 ECM from a 305 on the 89 350 TPI? Also what about the prom?
10-28-2012, 10:31 PM
#2
Re: Can I use ECM from a 305 TPI to a 350 TPI?
the 87 and 89 both use the 1227165 the 87 does not have vats but the 89 memcal does so this will need to reprogramed out or bypassed with a hz modulator. you will need the 22#hr injectors from the 89 and if you use the 89 350 memcal you will not need the ninth injector.
10-29-2012, 09:08 AM
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Car: 1987 Chevy Camaro Iroc Z
Engine: 305 TPI
Transmission: Automatic (700R4)
Axle/Gears: 3.23
Re: Can I use ECM from a 305 TPI to a 350 TPI?
the 87 and 89 both use the 1227165 the 87 does not have vats but the 89 memcal does so this will need to reprogramed out or bypassed with a hz modulator. you will need the 22#hr injectors from the 89 and if you use the 89 350 memcal you will not need the ninth injector.
Last edited by TVIROCZ; 10-29-2012 at 09:13 AM.
10-29-2012, 10:08 AM
#4
Re: Can I use ECM from a 305 TPI to a 350 TPI?
The 350 memcal will solve the running issues, but the 88 up 350 memcals contain a security feature (vats) that will need to be bypassed in order to get the injectors too fire.
The 89 memcal for tpi uses programing to control the injectors for cold starting, 85-88 use a fuel injector that is on the drivers side in the runner called the ninth injector. this can be unplugged when you use a 89 memcal.
The 89 memcal for tpi uses programing to control the injectors for cold starting, 85-88 use a fuel injector that is on the drivers side in the runner called the ninth injector. this can be unplugged when you use a 89 memcal.
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