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Old Mar 27, 2011 | 07:15 PM
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c6 questions

will a c6 torque converter used behind a big block ford, work in a small block ford c6? also going to invest in a shift kit so i was wondering if anyone had any recommendations....
 
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Old Mar 27, 2011 | 07:55 PM
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Go to a auto parts store online, and pretend to buy both torque converters, and see if they have the same part number.
 
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Old Mar 27, 2011 | 08:03 PM
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I doubt they would interchange because of the bolt spread on the torque converters would be different where they bolt up to the flex plate.
 
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Old Mar 27, 2011 | 08:09 PM
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Originally Posted by FlatBlak
will a c6 torque converter used behind a big block ford, work in a small block ford c6? also going to invest in a shift kit so i was wondering if anyone had any recommendations....
I was recommended the ford shift kit for my 74 f250 c6 not a launch at high revs but nice firm shifts
 
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Old Mar 27, 2011 | 08:24 PM
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As far as I know, the only item that could come into play is the pilot hole diameter.
I think the SB/BB convertor uses the same flexplate bolt pattern, but they *can* have different pilot hole size, depending on year.
The center snout of the TC goes into the center of the crank, like the input shaft of a manual trans.
 
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Old Mar 27, 2011 | 08:27 PM
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Everyone is lazy like I am and don't want to look it up.
 
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Old Mar 27, 2011 | 08:28 PM
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From: Lost
Originally Posted by Franklin2
Everyone is lazy like I am and don't want to look it up.
No, it's just that every aftermarket TC I have ever seen is listed by pilot diameter, not engine size......
 
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Old Mar 27, 2011 | 08:38 PM
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Originally Posted by Rogue_Wulff
No, it's just that every aftermarket TC I have ever seen is listed by pilot diameter, not engine size......
thats why i was thinking they would interchange, how would i find out what my pilot shaft diameter is? its a c6 out of an 82 ford f150 behind a 351w
 
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Old Mar 27, 2011 | 08:42 PM
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From: Lost
I guess you could try looking for the pilot bushing used for a manual trans, for both engine sizes/years, and see if the book calls for the part number.

351W is small block pattern, 351M is big block pattern. 82 could have been either, from what I have been told......
 
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Old Mar 27, 2011 | 08:48 PM
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its definately a 351w with a small block bolt pattern. can i go by a date code or anything?
 
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Old Mar 27, 2011 | 08:51 PM
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Originally Posted by 150/250fan
I was recommended the ford shift kit for my 74 f250 c6 not a launch at high revs but nice firm shifts
ford makes shift kits or what brand is this?
 
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Old Mar 27, 2011 | 08:55 PM
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What engine are you wanting to use this TC behind? If all esle fails, measure the diameter of the pilot on the TC, and the hole in the crank, then compare the flexplate bolt holes and TC studs for distance.
 
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Old Mar 27, 2011 | 09:03 PM
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Originally Posted by Rogue_Wulff
What engine are you wanting to use this TC behind? If all esle fails, measure the diameter of the pilot on the TC, and the hole in the crank, then compare the flexplate bolt holes and TC studs for distance.
I have a pretty well built 357 I want this trans behind estimating 450 to 500 horse, I was just hoping I could order some parts before I drop this trans
 
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Old Mar 27, 2011 | 09:06 PM
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By 357, I'm guessing it's stroked small block? If so, the 351W TC should fit fine. But, for that HP level, you might be better off getting a little higher stall speed convertor, that's made to handle the higher HP engines.
 
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Old Mar 27, 2011 | 09:34 PM
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That's what the plan is, not a stroker but a 351w bored .030 over, thumpr cam, fully balanced, blueprinted, world product heads etc... I'm looking for a 2500-2800 stall as well as something to give me firm shifts, and any other goodies for this trans so I don't blow it up.
 
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