Who running ZZ383/425 GM Crate engine
05-24-2010, 11:49 AM
#1
Safety Car
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Who running ZZ383/425 GM Crate engine
Ran this question on C2 section , not one reply.....hope someone can share info & tuning tips ..My friend has installed GM ZZ 383 cu in / 425 HP crate engine in his 66 ...has GM large cap HEI dist with mech tach drive .... only 13/14 inches of vac at idle ( he has 8 deg initial ) runs on & desels when key turned off, obviously timeing way off, who is running this engine any info appreciated .........
Last edited by StrayDog; 05-25-2010 at 02:54 PM.
