What does a 4.2L stroker engine require? - Mustang Evolution

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Old 09-09-2005, 11:12 PM   #1
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What does a 4.2L stroker engine require?

Does it need a change in suspension, transmision and other supporting pieces (as in a V6 to V8 swap)? What engine add ons/bolt ons are used in a 4.2L; the parts made for a V6 or for a V8, does it matter? Will the vehicle become faster, or just more powerful? Any other happenings that I might have missed in the change?
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Old 09-09-2005, 11:38 PM   #2
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Re: What does a 4.2L stroker engine require?

The main swap in a 4.2 stroker is the crankshaft, it gives the engine a longer stroke if you go with the 4.2 crank. That's the main thing that changes, you can change alot more in the engine, but the crank is the main thing. The car will be both faster and more powerful at the same time. Very noticeable difference.
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Old 09-10-2005, 12:59 AM   #3
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Re: What does a 4.2L stroker engine require?

For any car doing this, you need need to swap the crankshaft, pistons and connecting rods at a minimum. Earlier 3.8's will need to change the oil pan, pick-up tube, flywheel and balancer/pulley as well.
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Old 09-10-2005, 09:45 AM   #4
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Re: What does a 4.2L stroker engine require?

Around how much would it cost for a mechanic to install everything?
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Old 09-10-2005, 11:32 AM   #5
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Re: What does a 4.2L stroker engine require?

Thanks Rob, I knew there was more, but couldn't think of it right then.
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Old 09-10-2005, 02:32 PM   #6
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Re: What does a 4.2L stroker engine require?

Np brad, I got your back bud. As for the price to install, that's a tricky question. You're really gonna have a hard time finding someone to do the work. If you went to Ford, they would say no, they don't rebuild engines anymore because it's not cost efficient. But if you do find someone to do it, figure close to $1000. I think they figure 20 hours to rebuild the motor, maybe less, and at $50 an hour, that's $1000.
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Old 09-11-2005, 09:55 PM   #7
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Re: What does a 4.2L stroker engine require?

When the built 4.2L is completed, would one buy aftermarket engine upgrades for a V6 or a V8 to compliment the 4.2L?
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Old 09-11-2005, 10:28 PM   #8
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Re: What does a 4.2L stroker engine require?

It is the same engine block as the one in your car now, just stroked to 4.2l. So it will stay a 6 cylinder.
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Old 09-12-2005, 12:01 AM   #9
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Re: What does a 4.2L stroker engine require?

Quote:
Originally Posted by HotRod.riguez
When the built 4.2L is completed, would one buy aftermarket engine upgrades for a V6 or a V8 to compliment the 4.2L?
http://www.rpm-mustangs.com sells heads and intakes as well as the 4.2l swap kit.
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