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Winston Salem, NC
I just replaced my 1987 2.8v6 engine, transmission and underhood wireharness with a 1990 4.3v6. I bought a new computer for the 1990, a new map sensor and of course the 4.3 was brought to the machine shop for the heads and block. My question is I put an MSD distributor on it with coil to get better performance and I am having high idle, busting out on the top end and some times it loads up at the longer red lights. I have not replaced the old throttle body and was wondering if it was the problem?