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500EFI bolt on hp upgrades

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Old 03-18-2007, 07:14 PM
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Michigan Mad Man
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Originally Posted by gsmith9898
any progress on getting into the computer?
No but I know how to get rid of your old one and put a Mefi 4 on there.
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Old 03-18-2007, 07:18 PM
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Originally Posted by tomcat
Hey Tyler:

Good idea! What RPM range is it good for? I'm driving down to Sterling next week maybe I can drop in on Wed?

Tom
Tom I put it on a 500 EFI with aluminum heads and a little more camshaft and made over 630HP. Stop in Wed on your way thru.
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Old 03-18-2007, 09:42 PM
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Originally Posted by TylerCrockett
No but I know how to get rid of your old one and put a Mefi 4 on there.
Going back to dist?
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Old 03-19-2007, 12:19 AM
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Tyler,gotta see this thing.I really love it when "trick" stuff works! BOB
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Old 03-19-2007, 06:36 AM
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Originally Posted by gsmith9898
Going back to dist?
No we would just change your crank pickup to a 58 X and use your coils you already have.
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Old 03-19-2007, 06:38 AM
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Originally Posted by Bob280Silencer
Tyler,gotta see this thing.I really love it when "trick" stuff works! BOB
Bob I should have a finished part soon. I will post pictures.
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Old 03-19-2007, 07:15 AM
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I was there when it was on the dyno. Nice and smooth and didn't it make 634 one pull?
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Old 03-19-2007, 07:23 AM
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Originally Posted by TylerCrockett
No we would just change your crank pickup to a 58 X and use your coils you already have.
What can you expect out of the changes you make with the mefi 4?
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Old 03-19-2007, 05:44 PM
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Originally Posted by gsmith9898
What can you expect out of the changes you make with the mefi 4?
I can tune it.
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Old 03-19-2007, 05:45 PM
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Originally Posted by PatriYacht
I was there when it was on the dyno. Nice and smooth and didn't it make 634 one pull?
Yes that's before I detuned it because the customer wanted 600HP.
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