Quote:
Originally Posted by gsyling
My '98 Silverado has a 3.42 ratio. I am waiting to hear back from the dealer on the Sierra's ratio.
Would a 5.3 with a higher gear (3.73) ratio pull better than my 5.7 with a 3.42?
Thanks
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A 5.3/3:73 will pull grades better than a 5.7/3:42. Do you have the VIN? If so use this
http://www.compnine.com/vid.php?vin=2gcec13t741270300
The info that comes up is for my 04 just enter the 06 VIN in & find what it came with.