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basic cam question

This is a discussion on basic cam question within the Internal Engine forums, part of the LSx Technical Help Section category; I'm looking at buying a car that has the 235/240 .605"/.609" 111.5 +2 lsa TSP cam in it, along with ...

  1. #1
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    basic cam question

    I'm looking at buying a car that has the 235/240 .605"/.609" 111.5 +2 lsa TSP cam in it, along with some other mods. My question is just how the cam will affect the longevity of the engine and gas mileage. I have driven the car around and am fine with the driveability of the car just wondering what kind of maitenance or long term problems a big cam like that would have. Thanks.


    Jeff

  2. #2
    Senior Member ninobrn99's Avatar
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    Pewter
    all bore 370 Trans Am

    valve springs will wear a bit faster with the higher ramp rates. mpgs will decrease, how much depends on how good of a tune you have. I dont see that it will ruin the longevity of the motor itself, but the valvetrain will take its toll.

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