!!!!5.3 Vortec Swap Started!!!! - The 1947 - Present Chevrolet & GMC Truck Message Board Network



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!!!!5.3 Vortec Swap Started!!!!

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09-28-2010, 11:40 PM

#35

sick454

Registered User

Join Date: Apr 2008

Location: Converse, TX

Posts: 49

Re: !!!!5.3 Vortec Swap Started!!!!

Quote:

Originally Posted by oldmanlance

im going to swap my old 402 for a 5.3 ,just wondering about what gaer ratio should u run ?

I'm running 3.72's in my 12 bolt rearend. and it runs fine. fairly stout in the low end and great highway cruising. Definatly not drag raceing ratio by any means. but great for everyday drivers.

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