need background info
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Senior Member
Joined: Sep 2008
Posts: 109
From: Dallastown, PA
need background info
Im sorry if this was brought up somewhere else in the forum but I was looking into either supercharging my 2002 mustang gt or replacing the engine with a 351 Windsor in the fall.
I really like the Kenne bell twin screw superchargers and see that they have kits for around 4 grand and I found a 351W crate motor on www.yearone.com for 4 grand. They both make around the same power but i didnt know if the 351W would involve alot more money for supporting parts to make it fit and/or work.
Also my car has 74,000 miles and is it a smart choice to supercharge it with that high mileage? Any background information will be greatly appreciated.
Btw...my goal is around 400rwhp
I really like the Kenne bell twin screw superchargers and see that they have kits for around 4 grand and I found a 351W crate motor on www.yearone.com for 4 grand. They both make around the same power but i didnt know if the 351W would involve alot more money for supporting parts to make it fit and/or work.
Also my car has 74,000 miles and is it a smart choice to supercharge it with that high mileage? Any background information will be greatly appreciated.
Btw...my goal is around 400rwhp
Senior Member
Joined: Oct 2008
Posts: 984
From: Crystal Lake, Illinois
As long as your car has been taken care of, and the system is set up properly, you should have no problems supercharging a car with 70k+ miles. BTW (and I know this is a stupid question, but..) is that 351 a carb engine, or do they set them up for fuel injection?
Last edited by audikillsbmw; Feb 8, 2009 at 08:57 PM.
Creature Of The Wheel
Joined: Sep 2007
Posts: 490
From: Mebane, NC
You're really not going to be able to use a 351. I assume your state does inspections and yours should require an OBD2 inspection. Other than that, you'd at a bare minimum need a K-member with the correct motor mounts, fuel system, If you were going with EFI you'd basically have to use a stand alone system, and a transmission.
blank
Joined: Jun 2006
Posts: 2,451
From: North Jersey
Why swap for a Windsor? It's easier to do a 5.4 swap. However, if you want pushrod, get a Windsor block and throw Cleveland heads on top to make a real performer. Just remember you need to get a EFI manifold so that you can still run EFI and pass emissions. The only thing electrically I'd worry about is the pump may need upgrading and the computer needs to be re-calibrated to deal w/ 351 cubes.
Administrator
Joined: Sep 2004
Posts: 11,974
From: Orlando,Florida
You will spend money money to get a 400rwhp 351/302 motor into your car then it costs to add a supercharger and make 400rwhp with the 281 you already have. The kenny bell,Procharger,Novi 2000, and any other power adders out there will push the stock motor to what you want to make power wise and that is also around the max power for the stock 281 motor.
Senior Member
Joined: Aug 2008
Posts: 342
From: North central Ohio
go with the suercharger
I'd definately go with the Kenne Bell. It will be a lot less work for sure and a lot less fabrication and all for the same cost. Actually the supercharger route will be a lot cheaper in the long run bec. you will have a lot less parts to buy to support the swap.
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Senior Member
Joined: Sep 2008
Posts: 109
From: Dallastown, PA
Ok I will look into the supercharger more. Another question I have was if the kenne bell kits without the intercooler overheat alot and if its a good buy. I live in southern PA so the summers get a bit hot but nothing more than 95 degrees or so. Just trying to figure out if the extra grand or so for the intercooled kits are worth the extra money
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Senior Member
Joined: Sep 2008
Posts: 109
From: Dallastown, PA
Ok another question was what psi would be safe to run on my stock motor. The 9 psi kit thats intercooled is just in my price range but I don't know if that would hurt the life of my engine or require me to upgrade my internals (which I don't have the money for).
Senior Member
Joined: Nov 2004
Posts: 3,842
From: Pinole, Ca
the 2.1 KB 9 psi kit will put you at 400 hp. thats a good number to be at and thats a good and safe amount of boost.
I been running my stock block at 12 psi for nearly 30k miles... i have 92k miles on the car now.
I been running my stock block at 12 psi for nearly 30k miles... i have 92k miles on the car now.
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