Other Engine Conversions - non V-8 Discussion of non-rotary engines, exc V-8's, in a car originally powered by a Rotary Engine.

Way out there swap!!

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Old Mar 4, 2011 | 08:52 PM
  #1  
darkblaze's Avatar
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rx7drifter
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From: mesa az
AZ Way out there swap!!

I am in need of some info here. Ive looked into a swap that will make you guys cringe lol. I was Thinking of a Ford 3.8L V6 out of the 86-91 Mustang. what i need to know is It plausible and what would be needed to Make 300-400 Hp at the crank with a Turbo set up. i want to Use the Engine and Trans together so no need for adapters to mate the engine to the Fc trans. what wiring do i need to modify. ill be going Carbed so no need for a Ecu. any Input and HELP not bad mouthing would be great. let the iDeas and Info Flow Guys
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Old Mar 6, 2011 | 08:14 PM
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rx7drifter
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90 veiws and no info or comments?
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Old Mar 7, 2011 | 03:22 PM
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No one has done a swap like that. Mostly due to the fact that the combination doesn't really make a lot of sense to put in another car on purpose...
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Old Mar 7, 2011 | 03:54 PM
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yeah i dont get it. i didnt think mustang had a 3.8 v6 through the late 80s. thought it was either 4cyl or v8 but i could be wrong.

either way, you could make a lot more power with a 5.0 or 350 for probably similar or less money.
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Old Mar 8, 2011 | 02:39 PM
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rx7drifter
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Digital i found 2 Videos on you tube with a TT 3.8l V6 from the Mustang. Steven yeah they did i looked its Rare tho.http://www.youtube.com/watch?v=AAyyH...eature=related
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Old Mar 8, 2011 | 03:58 PM
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For the price of a setup and fabrication like that, you can build a proper 13BT and have the satisfaction of it all bolting into the chassis.
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Old Mar 8, 2011 | 04:18 PM
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If you want a V6 mustang motor, get a V6 mustang... I just don't get the V-whatever into Rx7's. Start with a similar sized V6/8 car Like a fox body mustang. No need to waste time and money doing the swap.
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Old Mar 8, 2011 | 04:32 PM
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the 86-93 mustang either had the 2.3L 4 or the 5 slow... they didn't have a v6 mustang until the "new" fairmont err mustang came out in 94?

http://en.wikipedia.org/wiki/Ford_Mu...2.80.931993.29

you do know those v6 mustangs all blew up under warranty right?

like sen2 said, totally pointless swap, you might as well find a v6 mustang...
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Old Mar 8, 2011 | 04:57 PM
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Originally Posted by Daviticus
For the price of a setup and fabrication like that, you can build a proper 13BT and have the satisfaction of it all bolting into the chassis.
And blowing up all the time...
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Old Mar 8, 2011 | 05:27 PM
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Originally Posted by j9fd3s
the 86-93 mustang either had the 2.3L 4 or the 5 slow... they didn't have a v6 mustang until the "new" fairmont err mustang came out in 94?

http://en.wikipedia.org/wiki/Ford_Mu...2.80.931993.29

you do know those v6 mustangs all blew up under warranty right?

like sen2 said, totally pointless swap, you might as well find a v6 mustang...
Holy mis-information! The Essex V6 is one of the most common engines in Fox Bodies. I personally owned an '84 LX with a carbureted 3.8 [pile of ****, fyi], and have worked on countless 3.8 Foxes from 1983 clear to 1993, though admittedly a couple of the newer ones were swapped in.

http://en.wikipedia.org/wiki/Ford_Es...gine_(Canadian)

If you insist on using such a poor platform, at least get a leg up on power and get the F150 4.2 shortblock, toss ported 3.8 heads on it, get a huge cam, lightweight flywheel, spend a whole bunch of money getting a T-5 or TKO to fit behind it, and then start breaking N/A diffs and stub axles like they're toothpicks.

Last edited by Daviticus; Mar 8, 2011 at 05:30 PM. Reason: Added Wiki Link.
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Old Mar 9, 2011 | 11:29 AM
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That just really seems like a "why bother" type of thing.
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Old Mar 9, 2011 | 11:57 AM
  #12  
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Originally Posted by digitalsolo
That just really seems like a "why bother" type of thing.
My thoughts exactly.
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Old Mar 9, 2011 | 12:18 PM
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Originally Posted by digitalsolo
That just really seems like a "why bother" type of thing.
been saying the same thing locally.

Why go through the big trouble of swapping a foreign motor in and going for a crappy 200hp v6?

My lm7 with just a cam will put out as much power as the turbo'd v6.

Just because the motor is cheap, doesn't make it a good swap. That's like putting a CA18 into a FC just because you can get the motors
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Old Mar 9, 2011 | 12:50 PM
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CA's are awesome though!

iron blocks, high red line..

only nissan engine thats better, in my eyes, is the fj20t
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Old Mar 10, 2011 | 09:15 AM
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Originally Posted by stevensimon
CA's are awesome though!

iron blocks, high red line..

only nissan engine thats better, in my eyes, is the fj20t
So, heavy and lots of RPM. Why in the hell are those positives?

I'll take my aluminum block and making power from 3500 RPM, thanks.
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Old Mar 10, 2011 | 04:00 PM
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From: salt lake ut
iron is inherently stronger than aluminum.
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Old Mar 10, 2011 | 07:18 PM
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Originally Posted by stevensimon
iron is inherently stronger than aluminum.
I'd rather take an alluminum block SR20DET over a CA18DET any day.

:]
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Old Mar 11, 2011 | 10:23 AM
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i know you would and market price proves that. i am totally ok with your decision.
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