V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

302, 351 carb'd swap into '94 sn95 v6

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Old 05-10-2008, 08:09 PM
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Dimetera
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Default 302, 351 carb'd swap into '94 sn95 v6

anyone done this before? or kno what is required other than a 302 carb'd engine, ignition and fuel pump? will the v6 5speed bolt up? anyone?
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Old 05-11-2008, 02:46 AM
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NeoTokyo
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Default RE: 302, 351 carb'd swap into '94 sn95 v6

The stock T5 will get trashed behind those engines. You will be best off getting a TKO transmission.

I think the K-Member is the same but I am not 100%. Only way to be sure is to test fit it or call up QA1 or Maximum Motorsports and ask them, or ask the question here.

You should also change your suspension for the added weight.

You can actually get an engine managment system and have a nice fuel injected swap.
Just your choice though.

The driveshaft also isnt speed rated like the Cobra driveshafts are and the differential wont hold up either.

Remember too that the fuel pressure on the stock mustang is 38psi or so and the carb only needs 6-8psi if I remember correctly. So you will need a fuel pressure regulator.
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Old 05-11-2008, 03:34 AM
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Dimetera
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Default RE: 302, 351 carb'd swap into '94 sn95 v6

will the 3.8 bellhousing fit up against the 302?
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Old 05-11-2008, 03:42 AM
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w8less
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Default RE: 302, 351 carb'd swap into '94 sn95 v6

in all honesty the 5.0 swap would be more feasible and budget friendly
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Old 05-11-2008, 03:58 AM
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Dimetera
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Default RE: 302, 351 carb'd swap into '94 sn95 v6

well i've heard so many things i just want to swap my engine for now. need more power 3.8 single port isn't cutting it i feel left behind with this thing.
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Old 05-11-2008, 04:21 AM
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NeoTokyo
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Default RE: 302, 351 carb'd swap into '94 sn95 v6

The transmission will bolt up but the V6 has a longer input shaft and wont mount correctly. I think its 5/16 or something. I cant remember exactly.

I know you can add a GT/Cobra T5 to the V6 with the sacrafice of a shorter pilot bearing life but you cant go the other way around.
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Old 05-11-2008, 11:08 PM
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mysteed
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Default RE: 302, 351 carb'd swap into '94 sn95 v6

FYI it'll bolt right into your k-member.
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Old 05-12-2008, 01:43 AM
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Dimetera
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Default RE: 302, 351 carb'd swap into '94 sn95 v6

ok. This is what I've learned so far.

1. K-Member is fine 302 will bolt into it as long as i have the 302 engine mounts.
2. v6 drivetrain will be fine as long as im not beating on it. Need to keep the v6 bellhousing to avoid the shifter from having lineup issues on the transmission tunnel.

anyone else know anything?
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Old 12-21-2014, 07:23 PM
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I have a 1994 v6 car and want to put a 351 in it can someone tell me how to wire up the fact.gages and what all I have to do thanks
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Old 12-22-2014, 07:47 PM
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The bellhousing will bolt up, as already noted, but there's a difference in input shaft length, as noted, that would need to be addressed before the transmission could be mated to the engine.

Engine swaps are almost never simple, straightforward affairs. They're not often as cheap as people assume they're going to be, either.

Why not just sell the car that you aren't satisfied with and apply the money that would have went in to the swap toward the purchase of a V8 Mustang or some other V8 powered car?
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