02-04 4.6 Explorer Motor Swap in 96 Mustang - Legal?

Questions and answers about CMC and NASA rules

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Supercharged111
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Postby Supercharged111 » Wed Oct 22, 2014 8:33 am

I wonder if you 4.6 bubbas were to slap 2V heads on a 4V block would you make your torque numbers? Is that something that, if isn't legal, could be made legal? I know it's not like this everywhere, but at almost any given time I can go to the local pull and pay and grab a MKVIII engine for $200. My friend did this swap on his 4.6 and it made a world of difference.
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suck fumes
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Postby suck fumes » Wed Oct 22, 2014 10:33 am

4v engine is legal so why wouldn't you just swap the whole thing?
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Supercharged111
Posts: 372
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Location: Colorado Springs, CO

Postby Supercharged111 » Wed Oct 22, 2014 10:35 am

You'd probably still come up short on torque wouldn't you?
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ShadowBolt
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Postby ShadowBolt » Thu Oct 23, 2014 4:05 am

Supercharged111 wrote:I wonder if you 4.6 bubbas were to slap 2V heads on a 4V block would you make your torque numbers? Is that something that, if isn't legal, could be made legal? I know it's not like this everywhere, but at almost any given time I can go to the local pull and pay and grab a MKVIII engine for $200. My friend did this swap on his 4.6 and it made a world of difference.


I built a two valve with a Teksid block from a Mark VIII. High compression (but able to run 93 octane) and expected more torque. Not a bit. Also the aluminum block means you have to carry extra weight. Turn in was a little better but not worth it IMHO.


JJ

Supercharged111
Posts: 372
Joined: Sun Jul 28, 2013 9:18 am
Location: Colorado Springs, CO

Postby Supercharged111 » Thu Oct 23, 2014 7:30 pm

Bummer. My friend had aftermarket cams too and I'm sure they wanted the extra static compression. Too bad it doesn't work on the stock stuff.
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