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Old 08-14-2020, 07:03 PM   #22
gvw5400
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Join Date: May 2013
Location: Colorado Rocky Mountains
Posts: 263
Re: Difference between Std. LS9 350 and MD LS8 350 for ‘69?

Looks like the LS-8 has 8.0-1 compression with cast pistons also.
and a governed at 4000 rpm 2 barrel carb.

The 366, and 427 Tall deck Medium engines had a Holley 4 barrel governed at 3800 rpm.
All the Best
Dirk
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