View Poll Results: BEST C6 trans kit for 400+ hp FE
Broader Performance 500 HP Rebuild Kit
3
42.86%
TCI Pro Super Transmission Kit- TCI-448800
2
28.57%
OTHER
2
28.57%
Voters: 7. You may not vote on this poll
C6 trans kit needed for 400hp FE???
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Senior User
Joined: Dec 2005
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From: North Carolina
C6 trans kit needed for 400hp FE???
Just wondering if any of you guy's with mild HP FE's(400's hp range) had any opinion on what king of trans kit is good for a C6 in a F100. not for towing just playing around and weekend driving. I have included an other poll option so if you chose other PLEASE tell what the other would be. If you know other mods needed for the C6 let me know of those also. Thanks in advance for the help.
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Senior User
Joined: Dec 2005
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From: North Carolina
Originally Posted by Dean88
I've heard from several people that a C6 can easily handle 700+ horsepower stock. If I'm not mistaken, most Monster trucks use a C6 (well at least the ones from the 80's and 90's did)
Posting Guru
Joined: Aug 2005
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From: NE Ga
Just build it stock. If you end up going w/ a kit, it'll make your shifts firm and solid but you'll be givin your chiropractor some visits too. Stock C6's are bulletproof pretty much. I've seen them in some pretty monstrous applications and were stock and holdin up fine.
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I just had a C6 rebuilt for my 67 F250. He did several mods so it would have more clutches and some other stuff but he pretty much said the same thing that I wouldn't be able to hurt it with my 400hp 410fe. I wouldn't want the firm hard shifting as youd expect for a muscle car but thats just my preference.
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Senior User
Joined: Dec 2005
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From: North Carolina
Originally Posted by DarkWolf40
I just had a C6 rebuilt for my 67 F250. He did several mods so it would have more clutches and some other stuff but he pretty much said the same thing that I wouldn't be able to hurt it with my 400hp 410fe. I wouldn't want the firm hard shifting as youd expect for a muscle car but thats just my preference.
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Needsmorecoffee.
Joined: Oct 2004
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From: CT
Ok...so were the truck and car C6's the same? Or are the truck trannys more HD? I know the CJ and Shelby cars with the 428's had a better servo's but the stocker C6's like in my Cougar is what I'm wondering about?
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Postmaster
Joined: Jul 2003
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From: Pittsburgh
there's a difference between firm and slam-you-back-into-the-seat shifts.
Firm shifts where the trans goes from one gear to the next without slipping into the next gear but not slamming the gear is what you're looking for. Alot of kits come with different setups like "stock" "towing" and "competition". I've had real good luck doing TH350's and 400's with towing kits. (never done a c4 or c6)
They just click gear to gear without slamming the driveline. Keeps everything alive while making it alot more responsive to drive.
Justin
Firm shifts where the trans goes from one gear to the next without slipping into the next gear but not slamming the gear is what you're looking for. Alot of kits come with different setups like "stock" "towing" and "competition". I've had real good luck doing TH350's and 400's with towing kits. (never done a c4 or c6)
They just click gear to gear without slamming the driveline. Keeps everything alive while making it alot more responsive to drive.
Justin
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From: NE Ga
As far as the difference, my dad rebuilt his C6 outa his '77 E350 and then tried to rebuild the C6 in his '67 fastback, didn't come out so well. He tried 3 times and came out with the same problem each time and ended up taking it somewhere and never figured out what it was. We just rebuilt my C6 in my 73 f100 about 3 years ago and it came out beautiful. So he's 2 for 3 and couldn't figure out the one so I'd same somethin in there is different. Whether or not the difference is in the application or the year I'm not sure.
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Senior User
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From: North Carolina
Originally Posted by FFR428
I know the CJ and Shelby cars with the 428's had a better servo's but the stocker C6's like in my Cougar is what I'm wondering about?
Someone put other as there choice, but didn't say what the other was?!?!
Hotshot
Joined: Dec 2003
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From: iowa
The biggest year change on the C6 was 76 and since your not going to find an FE C6 after 76 guess it doesn't make much difference.
Broaderperformance is pretty good and sells good parts at a decent price. I buy rebuild stuff from him and a couple others
about all I can suggest is you want alto clutches and Kolene steels, unless your racing I would suggest the red intermediate band over the kevlar, and the R code servo is a ok way to go but you can put in a E or F code lever instead and in your application be just as well off (do NOT use an F code with an R code servo you will almost assuredly crack the case if you do)
Broaderperformance is pretty good and sells good parts at a decent price. I buy rebuild stuff from him and a couple others
about all I can suggest is you want alto clutches and Kolene steels, unless your racing I would suggest the red intermediate band over the kevlar, and the R code servo is a ok way to go but you can put in a E or F code lever instead and in your application be just as well off (do NOT use an F code with an R code servo you will almost assuredly crack the case if you do)