How to ID a 5.3 v.s a 4.8?

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07-06-2009, 09:06 PM

#11

02_Orange_D1SC

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Quote:

Originally Posted by Wheatley

If The the engine and tranny is still in the truck it is coming out of then look at the 8th letter in the vin number,and the 10th digit will tell you the year model!!
V=4.8
T=5.3 (LM7)
Z=5.3 flexfuel
B=5.3 HO (high output)

or open the glove box and look for LR4 4.8 or LM7 5.3

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