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sphanna · 05-02-2019, 10:14 AM

There was an excellent post by a well respected engine builder a while back that described the max timing for original and HC engines. 21* for 6;1, 23* for 5.5;1 and never above 28* for stock 4.2 head.

I very much would like to find this post. I. printed it so as to have this info but I have misplaced it. Can any one direct me to this post? My search was unsuccessful. Thank you..

05-02-2019, 10:14 AM	#1
sphanna Senior Member Join Date: Jun 2010 Location: Polk City, Iowa Posts: 526	21,23,28 degrees timing question There was an excellent post by a well respected engine builder a while back that described the max timing for original and HC engines. 21* for 6;1, 23* for 5.5;1 and never above 28* for stock 4.2 head. I very much would like to find this post. I. printed it so as to have this info but I have misplaced it. Can any one direct me to this post? My search was unsuccessful. Thank you.. __________________ Steve Hanna, Polk City, IA