c4 trans from 83 6cyl. bolt to 93 302?
- Thread starter 91fourbanger
- Start date
it should fit the 302. when guys take a newer mustang v6 (say 95) and do a 5.0 swap they keep their trannies. until they blow them up.those are of course AODE's but the engine blocks are the same.
thats what i thought but im wondering about the flexplate? i know the 302 must have the 50oz flexplate, but what is the difference between a 157 tooth flexplate and a 164 tooth flexplate? does anyone know? does anone know which i need for the 3.8 bellhousing
by the way i do heavy line (engines and transmissions) at the lincoln dealer here, but i dont know about this swapping stuff around, or as old as this stuff is, everything i fool with is new towncars and stuff so......
well since it is 70-up and case fill, it should be 26 spline, with a 10.5" bolt circle.
i found this online:
"The integral bellhousing AOD requires a flexplate with 164 teeth (approximately 14 1/4" diameter with an 11 7/16" torque converter bolt pattern) for proper starter placement and converter compatibility. The C4, however, uses a detachable bellhousing that is matched to one of three different flexplate sizes (148, 157, and 164 teeth). The 148 teeth flexplates are comparatively rare, having been used in cars like the V8 Mustang II. The 157 teeth flexplates were generally used in 289/302 small and mid-sized cars, while the 164 teeth flexplates were used in 289/302 full-size cars and 351W/351C applications. The C4 164 teeth flexplates and the AOD 164 teeth flexplates will physically interchange, but there are two balance weights (pre-'81 302's use a 28.2 oz-in balance weight, '81-up 5.0 HO's are 50 oz-in), to be concerned with."
So measure your 3.8 flexplate...if it is about 14-1/4" in diameter, then get a 164 tooth 302/cC4 50oz flexplate. if it is less than that, get a 157 tooth.
i found this online:
"The integral bellhousing AOD requires a flexplate with 164 teeth (approximately 14 1/4" diameter with an 11 7/16" torque converter bolt pattern) for proper starter placement and converter compatibility. The C4, however, uses a detachable bellhousing that is matched to one of three different flexplate sizes (148, 157, and 164 teeth). The 148 teeth flexplates are comparatively rare, having been used in cars like the V8 Mustang II. The 157 teeth flexplates were generally used in 289/302 small and mid-sized cars, while the 164 teeth flexplates were used in 289/302 full-size cars and 351W/351C applications. The C4 164 teeth flexplates and the AOD 164 teeth flexplates will physically interchange, but there are two balance weights (pre-'81 302's use a 28.2 oz-in balance weight, '81-up 5.0 HO's are 50 oz-in), to be concerned with."
So measure your 3.8 flexplate...if it is about 14-1/4" in diameter, then get a 164 tooth 302/cC4 50oz flexplate. if it is less than that, get a 157 tooth.
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