Difference Between C4, C10 And C6

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• Mustang Owners Club Australia Forum »
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• Difference between C4, C10 and C6

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Author Topic: Difference between C4, C10 and C6 (Read 21275 times)

stangLover

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stangLover

Difference between C4, C10 and C6

« on: August 03, 2012, 01:12:16 pm » I'm wondering what the difference is between the c4,c10 and c6.And do they all fit the 67 and 68 mustangs without any modifications etc.?As far as my research so far is that the c4 and c10 are similar but the c10 is slightly stronger.The c6 however is a different beast: it is stronger again, and it was used to bolt up behind big blocks:Q: Will it bolt up behind a small block? like a 302 etc? Logged

stangLover

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stangLover

Difference between C4, C10 and C6

« Reply #1 on: August 03, 2012, 04:43:19 pm » Com'on you bunch of intellectuals surely someone on here has an opinion or knowledge about auto transmissions. Logged

R_Beckhaus

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R_Beckhaus

Difference between C4, C10 and C6

« Reply #2 on: August 03, 2012, 05:25:07 pm » Given that the C6 was used in the '66 GT350H, It should fit a 302 however you would need a different Bell housing than a BB. I know nothing about the C10, sorry.Cheers, Ron B Logged

R_Beckhaus

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R_Beckhaus

Difference between C4, C10 and C6

« Reply #3 on: August 03, 2012, 05:31:48 pm » Oh, yeah, I forgot to say I know this because I saw a Yank show about a couple of teams who were to ronevate and mod a couple of J code '68 coupes then Drag Race them. Best of three races won both cars. One of the teams went for a C6 and couldn't use it because it came with the wrong bell housing, so had to revert to C4, which indicates you can't put a C4 housing on a C6.Hope this throws more mud on the pile!cheers, Ron B Logged

Macka

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Macka

Difference between C4, C10 and C6

« Reply #4 on: August 03, 2012, 05:42:13 pm » As far as I know the c10 is a few steps up from the C4 and much stronger and there are more kits available to beef the shifting etc in them. Alot of the C10 bell housings fit the Cleveland block. The C6 is the choice for the big blocks as it has muscles on its SHiT. It handles bigger horse power and will never let you down. I don't think a standard 302 will fit it although someone will make a conversion kit for a price. Logged

TimR67

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TimR67

Difference between C4, C10 and C6

« Reply #5 on: August 03, 2012, 05:45:04 pm » The C4 and C10 are the same thing basically, the C10 is a C4 with the dipstick that goes into the pan, the C4 has the dipstick going into the body of trans, the C5 is the same as well but with a lock up torque convertor, C9 is same as a C10. all C4 variants have a removable bellhousing. The C6 is a different transmission, it doesnt have a removable bellhousing, and they are made to suit small and big blocks. The C6 is a fair bit bigger than a C4. Logged

66 Stang

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66 Stang

Difference between C4, C10 and C6

« Reply #6 on: August 03, 2012, 05:49:18 pm » Even for a worked 302 or 347 stroker, a C4 will more than support, you would be surprised how many drag racers run C4's. Logged

GLENN 70

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GLENN 70

Re: Difference between C4, C10 and C6

« Reply #7 on: August 04, 2012, 01:27:06 pm » C4 were early 6 cyl and small block autos ,later c10 as aussies call them are v8 boxs but still a c4 Americans call them c4 s not c9/10 ,more clutches and a stronger box .c 6 box were mainly for big blocks and some 351c ,in mustangs ,tow trucks etc .A c6 in a dog box in a small block robs HP ,is very big and heavy.A rebuilt c 10 with a few high performance parts is the go up to 1000 HP no problems .In the early 80s i had an xd 351c falcon ran 13. 1 @ 111 MPH with a c4 than fitted a c6 ran 14.1 @102 mph ,says it all . « Last Edit: July 11, 2015, 08:48:35 am by GLENN 70 » Logged

BLKPNY

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Re: Difference between C4, C10 and C6

« Reply #8 on: August 04, 2012, 03:37:42 pm » I have the C9 in my 66, runs 10's, no issues, cost about $2500 to build.It has the bigger C10 internals, in the C4 case fill case. C4 series boxes can be made to handle big horsepower, for big $$, and the Aussie made planetaries are better than the US ones, but if you have big torque, a C6 is much better. Logged Custom Mustangs0438 351 400 or 03 9782 8850For Email CLICK HERE2/14 Lakewood Blvd Carrum Downs VictoriaSignature Sponsor

DUNRITE66

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DUNRITE66

Re: Difference between C4, C10 and C6

« Reply #9 on: August 04, 2012, 07:26:36 pm » When I was looking for my auto I rang an auto guy up my way that builds plenty of tuff race boxes. Advised me on a c9 like Steph for my 66. Smaller case like c4 but has c10 internals ... No tunnel mods... Fully rebuilt with billet servo and all the banger upgrades to handle 500 plus hp. Under $1500... That was with the big B&M pan. 100% satisfied. See how it takes to the new 351 stroker going in. Logged

66FBK

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66FBK

Re: Difference between C4, C10 and C6

« Reply #10 on: August 05, 2012, 09:24:48 am » I run a C6 behind a 302w in my 66. C6 usually comes off a 351W and the bell housing and box is all one unit. The small block C6 are not that common. They fit snug in the tunnel but sit back about 2" further than a C4. You will need to shorten your tailshaft and change your crossmember. I used a T5 crossmember. Speedo cable needs lengthing too. A strong box. Weights much more than a C4. Logged He, with the most toys wins.

HEVEN67

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Re: Difference between C4, C10 and C6

« Reply #11 on: August 07, 2012, 09:23:02 pm » I have a fully recoed late model C6 to fit behind a small block, its for sale if your interested. Yes with warranty, and has been built to handle 600+ hp. luvhev Logged A successful man is one who makes more money than his wife can spend. A successful woman is one who can find such a man. Real muscle cars have 3 pedals. Where theres smoke theres Tyres

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