Swapping out a TH350 for a TH700R4
From Crankshaft Coalition Wiki
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==Tips== | ==Tips== | ||
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This swap to the 700R4/4L60/4L60E transmission requires several changes. | This swap to the 700R4/4L60/4L60E transmission requires several changes. | ||
− | *The overdrive transmission is longer than a | + | *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. | *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). | *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:GM]] | ||
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