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Old 05-23-2015, 11:03 AM   #18
'63GENIII
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Join Date: Sep 2008
Location: San Carlos, Ca.
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Re: Spring Swap Thread - 1963 K15

Quote:
Originally Posted by swamp rat View Post
What hole is the spring in in the front mount? leaves me wondering why they give the 4 hole option... I cant tell you if it really matters if the shackle is leaning more forward or rearward. Like your stock shackle in a prior pic my aftermarket shackles lean forward a little. I think I'd install the tire and see how well centered it is.
I used the second hole from the rear. My goal was to keep the axle in the existing location or move it forward a little. I didn't want it moving backwards and giving me driveshaft issues. (I just had a new shaft built and didn't want to buy or shorten another one). The rear hole would have moved the axle back farther than I wanted forcing me to shorten the DS and I was ok with the 3/4" that the axle moved forward with the second hole.
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'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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