C-4 behind a Y block


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By junkyardjeff - 14 Years Ago
When my 55 gets a Y block again I was planning on rebuilding a FMX and using a air cooled bellhousing to make it looks somewhat original but I just had A C-4 gone through and behind the 351 it has but thinking why spend the extra money and just use the C-4,will a C-4 hold up behind a 292 or 312.
By mr4speedford - 14 Years Ago
C4's are a great little trans. I used a flat-o-matic kit. Used a lokar dipstick and linkage for the column shift and I use a stock ford-o-matic column to shift it. c4's have unlimited converter options and if you hang around enough mustang forums you can find good deals on transmissions.
By stuey - 14 Years Ago
good write up by Jeff Hallam under Tech Articles at start up page

stuey

England

By 314 - 14 Years Ago
they will hook up for abouy 500.i would stick to the fmx.
By Don Woodruff - 14 Years Ago
It costs to buy the bell and starter to graft the C-4 to a Y but there are advantages. The C-4 is lighter and more efficent. As to strength, a friend runs a C-4 behind a 427 windsor with a 250 hp shot of nitrous with no problems in a Ranger Pickup. Pulls 1.34 60 foots and low 9 sec Et's.

He rebuilt the trans with a shift kit and extra clutch discs being careful using the available shinms to obtain the proper clearances.

A stock C-4 wll easily stand up to a good Y, and give you a first gear starts.

You probably will not save much money but I would go with the C-4.

Don W
By junkyardjeff - 14 Years Ago
I read the article in the tech section and noticed it was a special bellhousing and went on a case filled C-4,I have a rebuilt pan filled C-4 in it now that I would use.
By Don Woodruff - 14 Years Ago
I am using a pan fill C-4. Very little difference for street use. All of the internal componets (I believe) interchange. I believe my friend with the Ranger uses a pan fill.