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		GmTruckHQ > Engine and Drivetrain Tech > Six Shooters
4.3 w&Z code differances

4.3 w&Z code differances

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09-28-2008, 12:08 AM	#1
2 posts Join Date: Sep 2008	$400dime Registered User Like the title states, I was wondering what the differences are between the W code motors and the Z code motors. This comes up a lot and I've always been curious. _____________________________________________ 1995 Chevy S10 longbed-new project 1994 Kawasaki ZX7R-daily ridden

10-01-2008, 03:03 PM	#2
31 posts Join Date: Jun 2008	golana S10 Army Z = TBI (Throttle Body Injection) W = CPI (Central Port Injection) _____________________________________________ 1992 Chevy S10 262ci, 5 Spd - DD 1984 Chevy S10 Durango 350ci, 4L60 - 4x4 Monster To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

10-02-2008, 11:00 PM	#3
59 posts Join Date: Jun 2008	JoPre Registered User _____________________________________________ To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. maryland chapter To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

03-05-2010, 02:09 PM	#4
2 posts Join Date: Mar 2010	91sonoma Registered User Z = no counter balance shaft, early 4.3, availability ended in 98 W = better flowing heads, came in 92 and later, there are several variations of the w engine wiki has a pretty decent article about the 4.3 GM Vortec engine - Wikipedia, the free encyclopedia

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