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2SSRS@Gen5diy · 01-29-2018, 09:52 AM

In the old days they where wider, think in the old days valves where at 23 degrees and now there 1/2 that so the head is not as wide as in the past.

01-29-2018, 09:52 AM	#42
2SSRS@Gen5diy Drives: 2014 Z/28 #82+#192, 18ZLE 66Nova Join Date: Oct 2008 Location: By the lake in AZ Posts: 15,719 View My Garage	In the old days they where wider, think in the old days valves where at 23 degrees and now there 1/2 that so the head is not as wide as in the past.