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85mm bbk intake, do i need 85mm throttle body?

This is a discussion on 85mm bbk intake, do i need 85mm throttle body? within the External Engine forums, part of the LSx Technical Help Section category; i bout bbk's 85mm intake and was wondering if i need to buy an 85mm throttle body. i know the ...

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    85mm bbk intake, do i need 85mm throttle body?

    i bout bbk's 85mm intake and was wondering if i need to buy an 85mm throttle body. i know the stock one will bolt up but how much power am i losing by keeping stock?

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    Quote Originally Posted by jmatt07 View Post
    i bout bbk's 85mm intake and was wondering if i need to buy an 85mm throttle body. i know the stock one will bolt up but how much power am i losing by keeping stock?
    If you put the stock on then it will only be a 78MM intake. I would say a good 5-10HP. Thats what BBK claims their 80MM TB gives you......

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    ok well i have found a 85mm intake for $180 didnt know if it was worth the money and if i would buy one wouldnt i have to put an 85mm maf and different smooth bellows?

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    Quote Originally Posted by jmatt07 View Post
    ok well i have found a 85mm intake for $180 didnt know if it was worth the money and if i would buy one wouldnt i have to put an 85mm maf and different smooth bellows?
    nope, you can use the same maf and bellows. i have a FAST 92/92 set-up and i still use stock maf and slp bellows. works just fine.

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