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Old 06-01-2009, 11:42 AM   #1
ponyboy88
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Default Blown 351w versus 408 N/A

Still debating what i want to do as far as a motor, but i know that it'll need to handle street duty. Not a race car by anymeans so torque and low end grunt for fun on the highway is most important. Not talking 100% daily driver but my other car is a big block 6000lb vehicle on 35 inch tires...so id like it to handle the bulk of my 35000 miles/ year. I know its a tall order.

I'm debating between a Kenne Bell 351W with maybe some longer stroke, or a 408W naturally aspirated, both efi, 3.73 gears and a 5 or 6 speed stick, electric fan, 3g alternator and p/s.
Vvehicle running on pump gas and creating enough vacum to run the brakes and heat, doing a significant amount of miles, im interested which route you guys would choose.

hoping to go the fordstrokers.com route for the short block, hoping woodsy will do a 351w based short block with smaller then 408CI displacement.
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Old 06-01-2009, 12:56 PM   #2
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With what you are wanting I would go with the 351 KB setup. But I have always wanted a KB so its kind of bias on my part. I wouldn't mind a 383 or a 408 though. I'm sure woodsy would accommodate your needs. Just give him a call.
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Old 06-01-2009, 01:26 PM   #3
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im gonna avoid giving him a call till my rear end finished being built and installed. From what i gather that shop is pretty busy.

Just looking for opinions, and im kinda biased always wanting a blown stang.
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Old 06-01-2009, 04:25 PM   #4
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Turbo>Blower more power better fuel mileage.
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Old 06-01-2009, 04:35 PM   #5
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i like the idea of turbos but not for this build, more interested in the response of a KB blower versus the overall power at the high end
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Old 06-01-2009, 06:07 PM   #6
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these KB's are only for fuel injection applications right?
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Old 06-02-2009, 11:11 AM   #7
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Yup, they sure are. They bolt onto the GT40 lower intake which usually comes with the kit.
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Old 06-02-2009, 04:47 PM   #8
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properly matched turbos hardly have response lag. you get that from turbos that are too large for the motors capabilities.
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Old 06-02-2009, 05:40 PM   #9
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Longer strokes make more torque, just ask any big block owner. So, go with the 408. The price differance is so small, it just isn't worth worrying about.

For fun street duty, I like NA. It's easy to tune, inexpensive, and easy to live with. But, FI will definatly make more power, and has a much geater wow facter.

EFI will be easier to live with on a commuter vehicle. They start and run easer in inclement weather. They generllay make a smidgen more power, and almost always get better MPG. But, they can be expensive, and you can buy a lot of gas for differance between EFI and a carb. Not as much as you used to, but still a lot. EFI is my choice.
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Old 06-04-2009, 10:23 AM   #10
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im deff. sticking with efi.

i figured the KB 351w would produce less ware then the longer stroke of the 408, is it only a nominal difference at that point or am i right?
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