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Old 05-22-2012, 11:56 PM   #4
OldCreek
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Join Date: Jan 2007
Location: Central Coast California
Posts: 1,026
Re: 4L60E driveshaft length for 72 burb?

My '72 had a 350/th350 combo ( I believe in the front frame mounts). I went to a 5.3L with ECE mounts. (I used the stock tranny mount but moved it back a little and redrilled the mounting holes in the frame.) Regardless of the mount, I had to shorten the driveshaft approx 2"....But, I guess it would also depend on which tailshaft the original tranny had. (and if the 4L60E has different length tailshafts.

But, yes, it all depends on YOUR set up...
__________________
1972 K20 Suburban 5.7/700r4/NP205 Dana 44/H052 Sold
1972 C10 5.3L/4L60E 12bolt 5Lug - Sold
1971 K5 Blazer 6.0L LQ9 4L60E NP205 Dana 44/H052!!!
1970 K3500 1ton CrewCab 8.1L/Allison1000/NP205 Dana 60/14B!!!! - Sold
1984 K10 SWB 7.4L/4L80e/NP208 Corp 10/12 bolt Sold
1988 V30 CCLB 7.4L/TH400/NP205/Dana 60/Dana 70/3.73!!! (Sold)
2003 K2500HD 8.1/Allison1000/NP263
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