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back dating a 993 engine to pre OBD-II back dating a 993 engine to pre OBD-II
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db9146's Avatar
 
Join Date: Dec 2004
Location: Atlanta, GA
Posts: 175
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back dating a 993 engine to pre OBD-II
Anybody have an idea of what's involved in back dating a 1996 993 engine from Varioram to Pre-OBDII F.I.?

Cost?

Old 03-03-2007, 07:50 PM
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Bill Verburg's Avatar
 
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Just looking quickly at the wiring diagrams it appears that if you replaced the DME and wireing harness back to the engine w/ '95 993 55 pin versions, and left all but one O2 unhooked, and drove the Vram off the resonance flap pin, It might work

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Old 03-03-2007, 08:18 PM
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