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2003 gt motor in a 95 t-bird

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Old Jan 23, 2008 | 08:15 PM
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Default 2003 gt motor in a 95 t-bird

i'm going to swap in a 2003 mustang gt motor in my 95 bird this summer. i get the motor as well as the harness and a bunch of misc parts. i know that the motor will run great in the car, but my question is how to bolt it to my transmission. i have the 4r70w auto in my car and i believe it has a 4 bolt main. the stang motor if im correct has a 6 bolt main. how would i go about putting the gt motor to the t-bird trans. the 4r70w is also the auto in many stangs as most of you probably know, so does anybody make an adaptor plate of some sort? Any Ideas?
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Last edited by Fast_95_Bird; Jan 23, 2008 at 08:20 PM.
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Old Jan 24, 2008 | 05:20 AM
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What do you mean my mains? Are you talking about the number of bolts the crank shaft has for the flexplate? Mustangs came with either a 6 or 8 bolt crank shaft. I would think your t bird should have atleast a 6 bolt crankshaft.
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Old Jan 24, 2008 | 07:26 AM
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Eric, I'm pretty sure the 4r70w is interchangeable between the two 4.6s
...and I don't see what the amount of main bolts the motor has, has to do with the trannys mounting up.
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Old Jan 24, 2008 | 09:50 AM
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^^ Yep, just didn't know what to call it. lol. but i think the two are different. not 100 percent though.
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Pm me for your welding needs. I do most minor welding, tack welding, and some exhaust.
2000 v6 mustang 5 speed
shorty headers with cats, o/r h-pipe, 2.5 true duals with flowmasters, ported and polished maf, ported and polished tb, fenderwell cold air intake, short shifter, and zoom stage one clutch and assembly.
R.I.P Dustin...Forever a friend...Forever a brother.
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Old Jan 24, 2008 | 10:32 AM
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For the record on main cap bolts 4.6L GT's have a 2 bolt main with cross bolts. The Cobra 4.6's are 4 bolt mains and they also have the cross bolts. But I think what your talking about is the number of bolts for the flex plate. All you would have to do is find the correct flex plate and your good to go.
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