Transmission from a V8 work in a V6?

krys091 · May 18th, 2010, 12:06 PM

I have a 99 V6 Convertible with 150k miles, that has a crack in the transmission housing so been leaking transmission fluid for awhile. I've just been adding transmission fluid as needed figuring when the transmission started slipping I would take care of it then. Well, it started slipping a couple of days ago (doesn't seem to like 3rd gear much).

So I have been looking for a transmission and came across a Ford 4R70W with 41k miles on it for a really good price. But it came out of a V8, will it work in the V6?

Also thinking about doing an engine while I'm at it, what engines are direct bolt ins? Just the 99-00 mustangs, or are there others?

Thanks for any help!

jhills2 · May 18th, 2010, 12:18 PM

Yes the 4r70w will fit fine, because its the same transmission that broke in your car :-)

krys091 · May 18th, 2010, 12:22 PM

Don't I feel silly

Thank you

Mr. Red Pony · May 18th, 2010, 01:45 PM

The GT trans is stronger. 1st and Reverse are slightly steeper and 5th is slightly shallower. but I bet you wouldn't even notice it. Its like a .02 difference one all three.

Mr. Red Pony · May 18th, 2010, 02:03 PM

Didn't realize it was auto... they are they same exact ratio if its auto...

krys091 · May 18th, 2010, 03:17 PM

Yeah, I can't do the standard thing (bad knee :0) )

How about the engine? Any suggestions on other stuff I should change out while I'm at it? I love my car, so anything that's going to make it keep going.

There are 2 engines on ebay with under 75k miles on them that I can pick up locally for pretty cheap, but I was under the impression that only 1999/2000 are direct fits.

May 18th, 2010, 12:06 PM	#1
krys091 Newbie Join Date: May 2010 Posts: 4 iTrader: 0 reviews	Transmission from a V8 work in a V6? I have a 99 V6 Convertible with 150k miles, that has a crack in the transmission housing so been leaking transmission fluid for awhile. I've just been adding transmission fluid as needed figuring when the transmission started slipping I would take care of it then. Well, it started slipping a couple of days ago (doesn't seem to like 3rd gear much). So I have been looking for a transmission and came across a Ford 4R70W with 41k miles on it for a really good price. But it came out of a V8, will it work in the V6? Also thinking about doing an engine while I'm at it, what engines are direct bolt ins? Just the 99-00 mustangs, or are there others? Thanks for any help!

May 18th, 2010, 12:18 PM	#2
jhills2 Regular 1997 mustang gt Join Date: Sep 2009 Location: st. louis Posts: 207 iTrader: 0 reviews	Yes the 4r70w will fit fine, because its the same transmission that broke in your car :-) __________________ Eaton SC 6psi, 4.10 gears, PI cams, CAI, 70TB, OR-H, Bilstien struts/shocks, B springs, MM C/C, B&M trans cooler, 10th anny cobra brakes

May 18th, 2010, 01:45 PM	#4
Mr. Red Pony Resident badass 01 Built V6 (3.9) 13.91 @ 99.1 N/A Join Date: Jan 2010 Location: Lawton, Oklahomo Posts: 6,789 iTrader: 10 reviews	The GT trans is stronger. 1st and Reverse are slightly steeper and 5th is slightly shallower. but I bet you wouldn't even notice it. Its like a .02 difference one all three. __________________ 271rwhp N/A V6 The Name is Danny. I'm a GM Technician. Suck it.

May 18th, 2010, 02:03 PM	#5
Mr. Red Pony Resident badass 01 Built V6 (3.9) 13.91 @ 99.1 N/A Join Date: Jan 2010 Location: Lawton, Oklahomo Posts: 6,789 iTrader: 10 reviews	Didn't realize it was auto... they are they same exact ratio if its auto... __________________ 271rwhp N/A V6 The Name is Danny. I'm a GM Technician. Suck it.

May 18th, 2010, 03:17 PM	#6
krys091 Newbie Join Date: May 2010 Posts: 4 iTrader: 0 reviews	Yeah, I can't do the standard thing (bad knee :0) ) How about the engine? Any suggestions on other stuff I should change out while I'm at it? I love my car, so anything that's going to make it keep going. There are 2 engines on ebay with under 75k miles on them that I can pick up locally for pretty cheap, but I was under the impression that only 1999/2000 are direct fits. Last edited by krys091; May 18th, 2010 at 03:21 PM.

May 18th, 2010, 12:22 PM	#3
krys091 Newbie Join Date: May 2010 Posts: 4 iTrader: 0 reviews	Don't I feel silly Thank you

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