Who likes their C4?

65stang311 · Feb 4, 2004

Just a few questions for those of ya with a C4 (1967 type)...

What are your experiences running 500+ horses thru a c4?

Who makes the best rebuild/shift kit for drag racing?

What torque converter do you use, and how high a stall?

and where to get a good driveshaft?

Im new to the automatic tranny, and for drag racing wanna try something new, tired of breakin t-5's and before that never used anything but a toploader so i dont really know squat about the c4.

Thanks in advance for all your thoughts.

restomod · Feb 4, 2004

you need to check out www.fordmuscle.com they have a c4 forum at the bottom of their forums page. check it out. you can learn alot just reading the forum. good luck

rbohm · Feb 5, 2004

the C4 can be built to handle up to 800hp at this point, though some tranny builders are working on getting 1200hp handling capability from it. B&M, art carr, performance automatic, and tci seem to be the best C4 builders around.

trendkilllx · Feb 5, 2004

i can tell you that what ever hp you have a place called www.sr7performance.com can build you a c4 for a very resonable price. They also do custom converters. They can probably build you a aod that will handle the power. They built my aod and it can handle 850hp and a 1 year warranty. really good service. tell them jason sent you.

foghorn67 · Feb 5, 2004

c4's rule! can't say the same for stock though. there are some design flaws that these speed shops have to overcome.

66coupe306 · Feb 5, 2004

rbohm said:
the C4 can be built to handle up to 800hp at this point, though some tranny builders are working on getting 1200hp handling capability from it. B&M, art carr, performance automatic, and tci seem to be the best C4 builders around.

I have to diagree with the best builders. The one with most innovations is JPT in michigan, he invented some or most of the c-4 modifications readily used today. He also makes a beautiful custom valve body with transbrake. It is a real pain to get him to move quick though. The next, who I have no complaints about is dynamics up in connecticut. To get a good c-4, you need to go to someone who specializes in them and makes others as a side business. Most companies do chevy trannys but can build a c-4. Stay away from them, It'll only leave you with a box of broken parts.

TheWolf · Feb 5, 2004

I would step up to a C6

FIRE14142002 · Feb 5, 2004

I have an art carr comp C-4 w/brake and custom convertor@3500. They make a really good product and stand behind thier work.

allcarfan · Feb 5, 2004

Too bad you dont live in GA, I have a guy that could build you a C4 that could take whatever you threw at it...for under $800!!

I like mine....even though I drove it in another car, its in my 66 now. Its a prepped C4, TCI 3300 stall, reverse manual valve body with transbrake, and a B&M hammer shifter. In a fox chassis the trans went 6.60s in the 1/8th - without the reverse manual valvebody and transbrake.

Do a search for Performance Automatic Transmissions Along with Mighty Might C4s

D Durden · Feb 5, 2004

My C4 hasn't given me a MINUTES problem in over 15 years. I grows some of the most beautiful roses you've ever seen and, in the summer, you can dig fishing worms underneath it.

SuperDave · Feb 5, 2004

Being the resident "fossil", I can tell you that my C-4's have been great. I like them. The only annoyance has been that they tend to leak fluid if they aren't "excercised" often.

I've also had numerous C-6's that have served me well.

allcarfan · Feb 5, 2004

SD brought up a good point about leaking if they are not run for a while.

SuperDave · Feb 5, 2004

Mine leaks during winter storage period. The seals have hardened but soon do these job when the car is driven a bit. It MIGHT leak a quart of ATF over the winter. I'm basically TOO LAZY to replace the front seal when the "fiX" is so simple: DRIVE IT!

Fredo · Feb 5, 2004

I would step up to a C6

A C-6 will not fit behind a 289/302 will it?

TheWolf · Feb 5, 2004

Yes it will

allcarfan · Feb 5, 2004

Yes, it will with the proper bellhousing

3spd on floor · Feb 5, 2004

yes a C6 will fit, but why would you do that? a properly built C4 will hold up just fine, and it robs less power than a C6.

jcp123 · Feb 5, 2004

can't wait to get rid of the c4. it's a nice enough tranny with crisp shifts, and can be built for drag racing. but for my daily driver, i can't wait to drop an AOD and 3.73's in there.

but for drag racing, there's only 1 auto tranny i can think of that's any better: powerglide

D Durden · Feb 6, 2004

*cough cough* toploader *cough cough*

Denny Wiedman · Feb 6, 2004

c-4

got me a c-4 full manual from JPT and 10'' converter behind my 408w 69mach1, they are the best in the business, great service, great guys, love that little c-4, really bangs those gears.

Who likes their C4?

65stang311

Member

restomod

rbohm

trendkilllx

New Member

foghorn67

I'll save you the time and choke myself

66coupe306

New Member

TheWolf

New Member

FIRE14142002

New Member

allcarfan

The Answer Man

D Durden

DEEP FAT FRY

SuperDave

Early-Model Mentor

allcarfan

The Answer Man

SuperDave

Early-Model Mentor

Fredo

New Member

TheWolf

New Member

allcarfan

The Answer Man

3spd on floor

jcp123

New Member

D Durden

DEEP FAT FRY

Denny Wiedman

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