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HybridZ

How to time?


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Completed the rebuild on my 88 Chevy 350 and was getting ready to install the new HEI distributor then confusion.

 

I have 3 manuals that cover this engine and each one does the distributor a different way :?:

 

The way I see it is that if the engine is on TDC on the compression stroke, then you could theoretically call any wire terminal on the distributor number one as long as you wire the remaining firing order correctly from the assumed number 1.

 

My engine had the newer style distributor so I purchased an HEI from Summit. I assumed that the first wire terminal clock wise from the electrical connector bump out was number 1. I installed the distributor such that the bump out is basically at 3 o'clock if 12 is at the middle of the back of the engine. This puts the vacuum advance at around 7:30 and allows plenty of room to adjust the timing before the advance hits the intake.

 

Can someone confirm that I assumed correctly or have the actual way to do this?

 

Thanks in advance.

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