5.5 head - The Ford Barn

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5.5 head

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09-02-2023, 03:54 PM

#19

Y-Blockhead

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Join Date: Jul 2011

Location: Redondo Beach, CA

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Re: 5.5 head

Quote:

Originally Posted by Synchro909

As a matter of interest, what is the general opinion on maximum advance for a 5.5:1 head. I run a max of 22° for a 6:1 but I realise a 5.5:1 would be more.

A little different setup as I have a Phillips Auto Advancer (original NuRex) but I have my total advance set @ 28° BTDC with my 5.5 head. I have it so I can retard the timing with the original advance control if that is too much on hills

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