Welcome to Mustang Evolution.
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09-09-2005, 11:12 PM
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#1
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What does a 4.2L stroker engine require?
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Registered User
Join Date: Sep 2005
City: Ya mutha
State: New Jersey
Posts: 32
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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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09-09-2005, 11:38 PM
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#2
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Re: What does a 4.2L stroker engine require?
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postarama
Join Date: Aug 2003
City: Jackson
State: Mississippi
Posts: 24,136
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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.
__________________
"I'm not driving too fast...just flying too low"
Mine:
-87 ranger- broke
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project
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09-10-2005, 12:59 AM
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#3
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Re: What does a 4.2L stroker engine require?
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The 4.2L Guy/Moderator
Join Date: Nov 2003
City: Scumter; Home: Chicago, IL
State: South Carolina
Posts: 2,029
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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.
__________________
60' ~ 2.1, 1/8 ~ 9.61 @ 73.4mph
Living one day at a time!
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09-10-2005, 09:45 AM
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#4
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Re: What does a 4.2L stroker engine require?
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Registered User
Join Date: Apr 2005
City: Fallston
State: Maryland
Posts: 84
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Around how much would it cost for a mechanic to install everything?
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09-10-2005, 11:32 AM
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#5
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Re: What does a 4.2L stroker engine require?
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postarama
Join Date: Aug 2003
City: Jackson
State: Mississippi
Posts: 24,136
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Thanks Rob, I knew there was more, but couldn't think of it right then.
__________________
"I'm not driving too fast...just flying too low"
Mine:
-87 ranger- broke
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project
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09-10-2005, 02:32 PM
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#6
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Re: What does a 4.2L stroker engine require?
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The 4.2L Guy/Moderator
Join Date: Nov 2003
City: Scumter; Home: Chicago, IL
State: South Carolina
Posts: 2,029
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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.
__________________
60' ~ 2.1, 1/8 ~ 9.61 @ 73.4mph
Living one day at a time!
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09-11-2005, 09:55 PM
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#7
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Re: What does a 4.2L stroker engine require?
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Registered User
Join Date: Sep 2005
City: Ya mutha
State: New Jersey
Posts: 32
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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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09-11-2005, 10:28 PM
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#8
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Re: What does a 4.2L stroker engine require?
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I need bolts
Join Date: Oct 2004
City: Dallas PA
State: Pennsylvania
Posts: 3,418
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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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09-12-2005, 12:01 AM
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#9
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Re: What does a 4.2L stroker engine require?
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I can has Mustang?
Join Date: May 2003
City: Huntsville
State: Alabama
Posts: 26,860
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http://www.rpm-mustangs.com sells heads and intakes as well as the 4.2l swap kit.
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