Couple questions

Discussion in 'Volvo Forum' started by bluejay82, Jul 15, 2020.

  1. bluejay82

    bluejay82 Bobtail Member

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    Apr 15, 2020
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    I have a 1989 GMC white wia, buddy of mine turned my engine up the other day, is it true that it is done by adjusting the rails?
    Also, everyone tells me my engine is a big cam, but the plate says n14 from 89, we’re parts interchangeable?
     
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  3. Lazer

    Lazer Light Load Member

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    Jan 22, 2017
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    It all depends what was ‘turned up’.
    Was the hp increased?
    Was the max rpm increased?
     
  4. bad-luck

    bad-luck Road Train Member

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    With the older engines, when it was turned up. Fuel was increased to it.
     
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