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C6 automatic to 350 V8?

D

d'cheat

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Aug 6, 2005
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Reno, Nevada
Hey there fellas. I have a interesting question for ya.
I have built fords for many years and am just getting my hands into a chevy. The one problem I have is the th350 transmission.
I have not been happy with it. Gear ratios, strength..
In the past, I have gained a very strong respect for the ford C6 automatic. I have seen this trans put up with abuse that would snap a 700r4 in half.

My question, there there any company out there that makes a adaptor to mate a 350v8 to a c6?

Yea, I have looked at AdvanceAdaptors, and I see nothing like that on the web site.

Thanks in advance!

D'cheat
 
Try Novak maybe?

I'm 99.9% positive that the last person I saw do this (over on Pirate) used an AA kit, might want to give them a call and see if it's just not listed.

Oh, and FWIW (even though I have no idea what the gear ratios are) I believe C6's are more comparable to a TH400 than a 700R4 in the strength department.
 
Hmm.. I will give them a call tomorrow. Also do a search on the pirate BB.

C6's have huge clutch packs and a realy think main shaft. I have seen them handle 800 HP of supercharged big block and 44" tires with out a worry.
I just fear putting a 383 and 42's on a th350. last thing I want to do is worry about my trans while out on the rocks.
 
The C4 is Ford's half ton tranny (comperable to the TH350) and the C6 is the counterpart to the TH400. As far as which is better, I have no idea.
 
I think it is Bell that makes new bellhousings to adapt Torqueflites to other makes. You cut off the bellhousing section of the trans and bolt the new housing on using longer front pump bolts. Maybe they have the same thing for C6s?
 
Yeah not trying to tell you what to do but a TH400 is a super stout automatic. If you really hate the gear ratio you can get a lower geared planetary set for them.

I have never compared the componentry of a C6 and a TH400 side by side but I can say with confidence that you will really have to be doing some crazy stuff to grenade a 400 and it not be caused by a fluke or defective part.

You can find a th400 for pretty cheap, put the money you would have spent on adapting the c6 into a lower gearset for the 400, and have a very strong low geared worry-free tranny when your done.
 
There was an actual shoot-out in a mag between the TF727, C6 and TH400. TF727 was last, C6 and TH400 were even...however, the TH400 has one more bearing support for the thru shaft than a C6....plus the TH400 was designed by Allison (so the mag said)...so the TH400 took first.
 
Good point fellas. Hell, thats why I love this place.
th400 it is then :)

Like I said, Im new to chevys.. :D
 
The easiest way to run a C6 is just to go ahead and run a Ford engine.

Cuz Ford motors are better anyways :D
 
Yeah, I honestly dont know about the ford c6, but I do know that the th400, is a stout tranny. It will pretty much hold up to anything shy of 52's and a 1000 hp big block that you can put it up to (built) It will be easier and cheaper to mate it to a chevy engine, if/maybe stronger.
-Harrison
 
School bus tranny...

I've seen a few GM trucks guys used an Allison automatic tranny from a school bus that had a 350 or 366 V8 in it..bolts right up to any chevy block,but they had to use a divorced transfer case..you might be able to mate one to a "married" NP205 with some inginuity,but divorced is much easier..

I think I saw an adapter during a "google" search when I was looking for a Caddy to chevy tranny adapter for mounting a C-6 to a GM block...I think the place was "Castlemainia " ,or something like that,they had adapters to bolt most any motor to anything,from Jaguar's to Holden's!!..I doubt a C6 would be worth the expense and effort though,your better off using GM parts.. :crazy:
 
:haha: :haha: thats the best way to start it off.

but mopars automatics are by far the best!!! they last forever :haha:
 
Ok,I dont want Dodge junk in my junk unless its a Dana 70.My 70 came out of a 73 W300 :D

But I guess that aint realy Dodge,its Dana.

So I guess Im ok :haha:

Chris
 
Dodgerolet??

I know of a guy who mated a 78 GMC bed and cab ,and nose to a 73 W300 Dodge chassis--with a 440 V8,Torque Flight 727 tranny,and a Dana 70 rear axle,all factory dodge drivetrain(I forgot to look and see if it had a Dana 60 front,I bet it did)..He said it was the best of both worlds--the good looks of a GMC,and the rekiability of a dodge drivetrain--he said he was looking for a 426 hemi to put in it,but none priced less than 10 grand,so he stuck with the 440 for now..

Another backyard mechanic I know did the same with a ford chassis,and a 460 drivetrain,with a Chevy cab and bed,and nose..dont ask me how they registered them,or what they used for VIN #!!... :confused: :crazy:
 
FRIZZLEFRY said:
The easiest way to run a C6 is just to go ahead and run a Ford engine.

Cuz Ford motors are better anyways :D
Click to expand...




This brings me to my next point. DON'T SMOKE CRACK!!!!!!!!!!!!!!!!! :D
 
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