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threehonda

89 k 2500 won't start

threehonda
8 years ago

I have an 89 k2500 that I just put a jegs 350 crate motor in. The old motor ran fine when pulled just started knocking. I put my old intake on the new motor and the throttle body. The only way I can get the truck to start is to disconnect break out wire or whatever you want to call it and advance the timing. Once it's running I reset the timing to zero. I have tried up to 4 btdc as well. The truck will start and run the rest of the day but after it sets over night it will not start again unless I mess with the timing. Any help or advice with this would be greatly appreciated. Thanks

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