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VIN # with a Z???????

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Old 12-31-2006, 01:38 PM
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Default VIN # with a Z???????

I read somewhere on here about a Z in ur Vin, like bigger inj. or something like that, but now i can't find it. anyone know about this?
Old 01-01-2007, 12:58 PM
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Originally Posted by 03chevy5.3rcsb
I read somewhere on here about a Z in ur Vin, like bigger inj. or something like that, but now i can't find it. anyone know about this?
If the 8th digit in your VIN is a "Z", then you have a 5.3 "Z" engine. There is also a 5.3 "T", and a 5.3HO "B".
Old 01-01-2007, 01:27 PM
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"Z" just designates E-85 flex-fuel capable
Old 01-02-2007, 12:08 PM
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and they got the bigger injectors - like 36lbs if I remeber right....
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