C6 transmission

endroman

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I am going to get my transmission rebuilt on my 1971 Mustang Mach 1 that has a 351 Cleveland with C6 transmission. Would any of you recommend putting a stall in this or leave torque converter in? I have an older pickup that was my high school car and the stall made it sound even better. The car is mainly used just to cruise around no drag racing. Any other recommendations on replacing anything else while I have this tore apart? Thanks for the advice!

 

Mesozoic

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1971 Mustang fastback restomod. Caged, stiffened, lowered, on 17" wheels with 4 wheel disc brakes and Bilstein dampers. PST polygraphite suspension kit w/Mustangs Plus springs. Custom SEFI-EDIS8 EEC-V injection based on '96 Crown Vic harness (CDAN4 strategy). 90mm induction, LMAF, 80mm Accufab TB, Edelbrock Victor intake, 42# injectors, fully ported RHS Pro Action 215 heads, long tube headers. '69 351W stroked to 408 using Scat 4340 crank, H-beam rods, SRP pistons. Comp Cams 284 Magnum hydraulic roller cam, Canton windage tray and main girdle w/blueprinted standard pressure oil pump. Serpentine conversion using late model 5.0 parts. Backed by a built 4R70W, FB Performance 3000 RPM triple-disc converter, custom alum driveshaft, stock Ford 9" w/3.50:1 billet LS.
I am going to get my transmission rebuilt on my 1971 Mustang Mach 1 that has a 351 Cleveland with C6 transmission. Would any of you recommend putting a stall in this or leave torque converter in? I have an older pickup that was my high school car and the stall made it sound even better. The car is mainly used just to cruise around no drag racing. Any other recommendations on replacing anything else while I have this tore apart? Thanks for the advice!
You need to match your torque converter stall speed to the cam and powerband of your engine.

Read here: http://www.converter.com/faqs.htm#stall_speed

 

72MustangSprint

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If you don't mind a firmer shift, then have a shift kit put in.

 
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