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Old 02-20-2008, 08:43 PM   #1
into69z
"brand new second-hand"
 
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Join Date: Feb 2007
Location: White House, Tennessee
Posts: 526
What size is my rearend?

I am working on my 69 c-20 fleetside, it came stock with a 350/400 turbo and now I have rebuilt the turbo and installed a 454. The rearend gear is too much for freeway runs so I need to know what kind of rearend I have and what would be the best ratio(323,342 etc) would it be easier to swap a late model and if so which one? I think the stock ratio now is 411 but I don't know how to check it....thanks for your help..steve
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Steve
69 3/4t custom camper
tilt,am/fm,speed warning,air gauge,buddy buckets,aux battery, big block,p/s,p/b,a/c
67 Camaro
96 Impala ss-sold
04 hybrid Honda-saving gas for the blue truck!:
b69:
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