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underdrive with boost

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Old 10-02-2006, 08:40 PM
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Default underdrive with boost

Do you guys think that underdriving the crank and adding boost will be ok or would it strain the motor at all? I've heard good and bad about the underdrive pulleys and I figured if the bad was true then boost would make it even worse. I was thinking about doing a few more bolt ons like the underdrive pulley before going turbo. I already have full i/h/e including intake manifold. Would a 75 shot hurt this motor any?
Old 10-03-2006, 04:08 PM
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underdriving the crank??? underdrive pullies dont do a damn thing. save your money.
and a 75 shot might hurt "this" motor
Old 10-03-2006, 06:35 PM
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The motor is a B18a1 and I would only be running like max of 8 lbs of boost on it until bottom was built.
Old 10-03-2006, 06:44 PM
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there is no real performance gain and it is way more dangerous to your motor than its worth. if you want to reduce rotational mass, get a light weight flywheel.
would a little piece crackedoff crank pulley cause vibrabtion under accc?? help~
scroll down the page and check the large response post from TOO and you will see what we are talkin about.
Old 10-05-2006, 04:08 PM
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b18a1 will hold 8 lbs and a 75 shot, if you call JOhn Vega(free plug) house nigga.
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