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ZouchaR · 11-28-2013, 01:58 PM

I was planning on doing 4" drop springs in the back as well on my 63... with a one piece driveline... I am also running an m-21 tranny which is about the same length as a trubo automatic... did you have any issues with going down 4" in the back without notching the frame??

11-28-2013, 01:58 PM	#46
ZouchaR Registered User Join Date: Nov 2013 Location: Henderson, NV Posts: 306	Re: 402 shortbox build! I was planning on doing 4" drop springs in the back as well on my 63... with a one piece driveline... I am also running an m-21 tranny which is about the same length as a trubo automatic... did you have any issues with going down 4" in the back without notching the frame??