4r70w on a 427 - TCCoA Forums
 
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post #1 of 24 (permalink) Old 09-01-2005, 12:15 AM Thread Starter
 
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4r70w on a 427

what do i have to do to make a 4r70w handle a 351 with a 427 stroker
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post #2 of 24 (permalink) Old 09-01-2005, 12:34 AM
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Do a search for DIRTYDOG and ask him.

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Soon to have some MHS parts, cams, 'luminum block, lower compression, ported heads, autorotor, and need to make long tubes. I have almost all the stuff and need some #42-50s a bypass valve, and maybe a few other things.
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post #3 of 24 (permalink) Old 09-01-2005, 01:31 AM
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alan makes convertors, talk to Darrin, he makes the bulletproof 4R70Ws.

331>351.




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post #4 of 24 (permalink) Old 09-01-2005, 04:38 AM
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It's all in the tech article's guys

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post #5 of 24 (permalink) Old 09-01-2005, 12:46 PM
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See...told ya he would know.

Chris

Soon to have some MHS parts, cams, 'luminum block, lower compression, ported heads, autorotor, and need to make long tubes. I have almost all the stuff and need some #42-50s a bypass valve, and maybe a few other things.
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post #6 of 24 (permalink) Old 09-01-2005, 01:52 PM Thread Starter
 
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thanks
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post #7 of 24 (permalink) Old 09-01-2005, 02:03 PM
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Are you wanting to do this yourself or are you wanting a transmission built?

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post #8 of 24 (permalink) Old 01-30-2006, 05:56 AM
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do all the mods in the tech articles apply to say a 2004 4r70w?
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post #9 of 24 (permalink) Old 01-30-2006, 06:52 AM
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the newer trans have slightly different valve bodies and most of the updated components as far as pistons, springs, servos, one-way mechanical clutch instead of the roller ****clutch, etc..

the 2004 4r70w is not a good option unless you feel like having the trans totally disassembled and the output shaft swapped for one that has provisions for a speedo gear


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post #10 of 24 (permalink) Old 02-05-2006, 04:00 AM
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not fussed on on using the stock speedo function as this is a custom install so an electronic speedo control is no prob, given that the later boxes have all the internal upgrades which is the better year to start with (I know this has been asked countless times before) also building a 427 and looking for a lockup trans that can handle 600 lb/ft torque (not in lockup of course) , sorry to hijack the thread.

The raeson for my oroginal question was that the tech articles were written a few years ago and there are more current 4r70w with improvements .
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post #11 of 24 (permalink) Old 02-05-2006, 12:03 PM
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All of the tech articles are not up to date there is a newer design stub shaft and the 01 up valvebodies are better in my opinion.
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post #12 of 24 (permalink) Old 02-05-2006, 01:15 PM
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Stub Shaft?...That the outer one that goes to the converter?

Chris

Soon to have some MHS parts, cams, 'luminum block, lower compression, ported heads, autorotor, and need to make long tubes. I have almost all the stuff and need some #42-50s a bypass valve, and maybe a few other things.
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post #13 of 24 (permalink) Old 02-05-2006, 01:43 PM
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no the inner one that goes to the direct drum.

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post #14 of 24 (permalink) Old 02-05-2006, 04:32 PM
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Outside of the AOD-E's that the 94-95 Mustang's had, and the 4R70W's the 3.8's got, do any of the electronically controlled passenger car trannies fit on a 351 block? Different gear ratios there, but I did the j-mod to my 94 GT, with no problems. I'm pretty sure my 94 SC had a 4R70W, but that was a bad year for them, IMHO.

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post #15 of 24 (permalink) Old 02-05-2006, 08:55 PM
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Yeah, the 3.8 and 5.0 block / Transmissions will have the right bellhousings pattern, a 4.6 pattern is not correct.

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post #16 of 24 (permalink) Old 02-05-2006, 10:43 PM
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Soooo...go with the 01 for a build up? Is it the 01 and newer or is it just an oddball year?

Chris

Soon to have some MHS parts, cams, 'luminum block, lower compression, ported heads, autorotor, and need to make long tubes. I have almost all the stuff and need some #42-50s a bypass valve, and maybe a few other things.
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post #17 of 24 (permalink) Old 02-06-2006, 05:22 PM
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Quote:
Originally Posted by Teeps
Yeah, the 3.8 and 5.0 block / Transmissions will have the right bellhousings pattern, a 4.6 pattern is not correct.
took the words right out of my mouth, i thought that he would have to use a newer v6 tranny to get the right bell

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post #18 of 24 (permalink) Old 02-06-2006, 06:28 PM
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Don't forget the 92 crown vic tranny with the 5.0 bell 4.6.
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post #19 of 24 (permalink) Old 02-06-2006, 07:57 PM
 
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The 4.2 V6 is the same bellhousing also. That one also has the maximum amount of clutches.
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post #20 of 24 (permalink) Old 02-07-2006, 11:31 AM
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Quote:
Originally Posted by dirtyd0g
Don't forget the 92 crown vic tranny with the 5.0 bell 4.6.
Alan
And if you want a newer core the 01 5.0 explorer uses the 4R70W

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post #21 of 24 (permalink) Old 02-08-2006, 09:42 AM
 
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I have a 95 Mark 4.6, tranny that needs a rebuild. I am willing to try through the steps but am also willing to pick up a newer year tranny if required. My 4R70W has had the J-Mod both 1/2 & 2/3 with plate hole enlargement to 300hp. Did the Mods in the driveway, can these steps be done in the driveway too(hump the tranny to the cellar)? Or where is the best source/cost for a newer tranny? Any info appreciated. Thanks, Ed
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post #22 of 24 (permalink) Old 02-08-2006, 03:54 PM
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cheaper to start with a newer reman or salvage trans as it has more of the parts already in it.

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MP BB 304 Teksid 4v- w IC'd / Ported M112
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post #23 of 24 (permalink) Old 02-08-2006, 04:37 PM
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Maybe I was not clear. Is the O1 the only one that uses the better parts? What is the BEST year to go with? I assume you can use any 01 and newer ones and SHOULD be okay as long as they have the provision for the gear on the output shaft. Then just repin and J-Mod right?

Chris

Soon to have some MHS parts, cams, 'luminum block, lower compression, ported heads, autorotor, and need to make long tubes. I have almost all the stuff and need some #42-50s a bypass valve, and maybe a few other things.
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post #24 of 24 (permalink) Old 02-08-2006, 07:07 PM
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03 up have the best parts excluding the fact the output shaft won't work.
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