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Did the engine before changing the parts out?
Please tell me the best you can how you are checking fuel and spark.
Hi Tom. Have you double checked the firing order?
Do you have a timing light so we can see if timing is correct?
That is why i want to check timing. Do you have a timing light that you can hook up to the #1 plug wire and read the timing while a helper cranks the engine over?
Even with the engine cranking over, as long as you have a good strong battery the timing will read correctly. And it should read roughly 6 to 8 degrees BTDC at cranking speeds. Let me know what happens.