c4/c5 trans.......need help??

sn95gt19 · 01-26-2003, 04:26 PM

there was a thread on this a while ago, but i couldnt find it.

my ? is what are the differences between the c4 and c5 auto's. i already have a c5 out of my 86-3.8 cougar, and i am going to have it rebuilt with kevlar bands, hardened shaft, servo, manual valve body w/brake, and a new planetary gear.

will a c4 bellhousing bolt up to the c5?
are the cases the same?
will the parts interchange?

thanks

mikew88gt · 01-26-2003, 05:12 PM

I think the main difference is the C5 uses a lock-up converter. I've heard it mentioned that c5 use a beefier case but I don't know for sure. Bellhousings should be the same. I suspect the dimensions, mounts, shifter hook-up, etc are all the same.

sn95gt19 · 01-26-2003, 05:13 PM

does anyone know if the parts are the same, directly interchangable?

gofastmercury · 01-26-2003, 10:00 PM

This is that thread:C5

01-26-2003, 04:26 PM	#1
sn95gt19 motors done......woohooo Join Date: Mar 2002 Posts: 799	c4/c5 trans.......need help?? there was a thread on this a while ago, but i couldnt find it. my ? is what are the differences between the c4 and c5 auto's. i already have a c5 out of my 86-3.8 cougar, and i am going to have it rebuilt with kevlar bands, hardened shaft, servo, manual valve body w/brake, and a new planetary gear. will a c4 bellhousing bolt up to the c5? are the cases the same? will the parts interchange? thanks __________________ 95gt lazer red (98 cobra clone) Rice Haters Club Member #116

01-26-2003, 05:13 PM	#3
sn95gt19 motors done......woohooo Join Date: Mar 2002 Posts: 799	does anyone know if the parts are the same, directly interchangable? __________________ 95gt lazer red (98 cobra clone) Rice Haters Club Member #116

01-26-2003, 10:00 PM	#4
gofastmercury Registered Member Join Date: May 2001 Location: calgary alberta canada Posts: 366	This is that thread:C5 __________________ 93LXcopcarSOLD14.3@96 @ 4500ft 2.02 60ft on street tires. my 67 ranchero NOT A 390 ANY MORE! 460! 3.70's cast manifolds, comp cams 262H, performer, 750DP 100K out of 79 F250 NEW(oct20/02)14.58@95mph 2.3 60 ft corrects to:13.86@100 66 merc comet351w, isky roller 600 lift 268/260@.050, vic jr. 700DP, 5000stall, 4.56's c-4, 3400lbs with driver 12.3@110 @ 4000ft 1.69 60 ft corrects to:11.69@115

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01-26-2003, 05:12 PM	#2
mikew88gt Registered Member Join Date: Jul 1999 Location: New York State Posts: 242	I think the main difference is the C5 uses a lock-up converter. I've heard it mentioned that c5 use a beefier case but I don't know for sure. Bellhousings should be the same. I suspect the dimensions, mounts, shifter hook-up, etc are all the same.