Swapping out a TH350 for a TH700R4

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 ==Tips==
 This swap to the 700R4/4L60/4L60E transmission requires several changes.
-*The overdrive transmission is longer than a TH350 that has a 6 inch tail housing. A T-350 with a 9 inch tail housing is similar in length to the TH700R4.
+*The overdrive transmission is longer than a T-350 that has a 6 inch tail housing. A T-350 with a 9 inch tail housing is similar in length to the TH700R4.
 *The 4x4 output shaft of the 700R4 is longer and requires a shaft change to a custom shaft from Advance Adapters.
 *Crossmembers must be moved (usually for RWD applications; some vehicles e.g. 1973-'87 Chevrolet/GMC C/K (also 1987-'91 R/V series e.g. K5 Blazer, Jimmy, Suburban, crew/chassis cab) with 4 wheel drive can retain the stock crossmember location (transmission adapter to transfer case must match the transfer case bolt pattern; 700R4 made optional 1982-'91; Advance Adapters does manufacture a transmission adapter if converting the THM400 to a 700R4/early 4L60E when mated to the stock THM400 transmission adapter which also includes a 32 splined output shaft (or swap out the input gear on the transfer case with one having 27 splines).
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 [[Category:GM]]
 [[Category:Transmission]]
-[[Category:Undeveloped articles]]
-[[Category:Undeveloped Transmission articles]]

Revision as of 21:06, 19 August 2023