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Old 01-24-2011, 11:29 PM   #10
'63GENIII
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Join Date: Sep 2008
Location: San Carlos, Ca.
Posts: 3,048
Re: '64 K20 4x4 Clunk - What is it?

My '63 is pretty jerky and makes alot of noise also. My gears are 4:10 and 4:11 front to rear or vice versa. It did it with the closed knuckle axle that was in it originally too and I guessed that it was normal. At this point, I've run my new axles for a few hundred in four hi and even though it makes noise (especially that damn T221!) it has yet to fail or act like it's getting worse. Sorry for I too have no advice for the closed knucks. It was easier to swap to the 44 hd (open knucks) for me.
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Chris


'63 k15 long step
Vortec 7.4 - L29 Blackbear tune, Five 0 Motorsports injectors, Chris Straub Cam, NV4500, divorced 205
52" front and 63" rear spring swap
D44 / 14bff - disc axles
Milemarker 9K and 10.5K hydraulic winches

63" & B52 Spring Install http://67-72chevytrucks.com/vboard/s...ng+swap+thread


NV4500 Reverse Build Thread http://67-72chevytrucks.com/vboard/s...=reverse+build

L29 - 7.4 Vortec Build http://67-72chevytrucks.com/vboard/s...&highlight=L29
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