vin x or w, what's the difference?

3 messages, Last post on Mar 04, 2009 at 5:20 PM

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#2 of 3 Re: vin x or w, what's the difference? [68ramair] by dlm1954 Mar 04, 2009 (6:40 am)
Replying to: 68ramair (Mar 01, 2009 7:25 pm) Vin W is CMPI AND Vin X is throttle body or just multi port ,one or the other.
#3 of 3 by 68ramair Mar 04, 2009 (5:20 pm)
Yes, I kind of knew that. I want to know which is better. Are there advantages of one over the other. Why are there 2 different systems?