Esc
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Joined: Jan 2004
Posts: 155
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From: New Oxford, PA
Car: 1986 IROC Weekend, Jetta VR6 Daily
Engine: 350 .030 over 5.7 TPI
Transmission: 700-R4 Rebuilt
Esc
Ive swaped from an 86 305 TPI to what i classify as a 87 350 TPI system using the 86 wiring. Do i need to change out the ESC (Electronic Spark Controll) along with the PROM or will it work?? Thanks Alex
Joined: Mar 2000
Posts: 43,187
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Best bet is to get a 350 knock sensor and module. Some have reported problems with the 305 pieces on a 350.
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