SO if I had a 91 tbi 4.3 chevy S-10 and a 350 TBI motor and a 7747 ECM laying around. Aside fromt he obvious motor mounts etc etc. what (harness wise) would it take to make the 4.3 harness a 5.7 harness?
SO if I had a 91 tbi 4.3 chevy S-10 and a 350 TBI motor and a 7747 ECM laying around. Aside fromt he obvious motor mounts etc etc. what (harness wise) would it take to make the 4.3 harness a 5.7 harness?
Current: '91 1500 Suburban (3rd owner), 350 TBI, 700R4
TBI system: RV Morse Bored TB - Matched FIs - Adjust. fuel psi regulator - Injector pod spacer - RV Morse Powerplate - Hypertech "salad bowl"
Full write-up here
Follow the build here
Change prom, thats it.
89 K1500 Scottsdale 5.7L 5spd 3:42 RamJet cam Dart iron TBI heads 427 PCM swap
95 C2500 Cheyenne 6.5L turbo diesel 4L80e 4:10 DB2-4911 Manual pump conversion 0411 PCM trans control 2Bar COS
05 Outback XT 2.5L turbo gas auto
DERP!?
no seriously.... really?
Current: '91 1500 Suburban (3rd owner), 350 TBI, 700R4
TBI system: RV Morse Bored TB - Matched FIs - Adjust. fuel psi regulator - Injector pod spacer - RV Morse Powerplate - Hypertech "salad bowl"
Full write-up here
Follow the build here
Really! If the 5.7L is complete there are a couple differant parts on motor like injectors, knock sensor and knock module/ESC...
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
-= =-
Ok thats just cool!
Current: '91 1500 Suburban (3rd owner), 350 TBI, 700R4
TBI system: RV Morse Bored TB - Matched FIs - Adjust. fuel psi regulator - Injector pod spacer - RV Morse Powerplate - Hypertech "salad bowl"
Full write-up here
Follow the build here
yes like Mark says, injectors, knock sensor and knock module, prom and of course motor mounts, exhaust manifolds (Camaro/Firebird) or headers.
*some of the 89-91 4.3 S10/Blazers use the same knock sensor and knock module as the 89-91 350 TBI trucks, so you may get lucky
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