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Timing problems 93 S10 blazer

Sent to Car Experts February 26, 2005 1:52 p.m.

I have a 1993 chevy S10 blazer with a 4.3 V6 CPI injected motor that I rebuilt all brand new parts. NO trouble codes have been detected.
My problem is that when I start my 20 min break in at 2100 Rpms my engines starts knocking and then my exhaust starts glowing red starting at the end of the Y pipe and glows all the way back to the tail pipe, The whole exhaust is brand new also.
I beleave my timming is not set correctly, and I don’t know why or how to correctly set Base timming.
My book says to disconnect the ESC wire from the back of the distributor but when I disconnect any of these wires the engine won’t start?
and all the veci label under the hood says is to set timming at 0 btdc
could you tell me exactly how to set the timming correctly?
Thank you very much, James
(413)774-3282 Greenfield Ma. 01301

Customer (name blocked for privacy)

Status: Closed Value: $25

Answer
February 26, 2005 6:20 p.m. (4 hours and 27 minutes later)

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Tech501 -- Auto Service Technician -- 96% Positive Feedback on 739 Car Accepts
38 years exp, ASE Mastertech with L1 Advanced Engine performance

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