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98 Trans Am 6-speed (doing upgrades need advice)

This is a discussion on 98 Trans Am 6-speed (doing upgrades need advice) within the Firebird / WS6 forums, part of the Vehicle Specific category; Originally Posted by silverWS.6 Yup 2,000rpm at 70mph unmolested tranny? (anywhere else that combination of words paints a pretty poor ...

  1. #21
    Member goof4080's Avatar
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    Quote Originally Posted by silverWS.6 View Post
    Yup 2,000rpm at 70mph
    unmolested tranny?


    (anywhere else that combination of words paints a pretty poor picture)

  2. #22
    Army of 1 wooddaniel's Avatar
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    Quote Originally Posted by silverWS.6 View Post
    Yup 2,000rpm at 70mph
    With 373s I'm at 2K at 80 MPH (M6)

  3. #23
    Senior Member Lunatikgixxer's Avatar
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    Quote Originally Posted by wooddaniel View Post
    With 373s I'm at 2K at 80 MPH (M6)
    in 6th gear? really? im glad u posted that, that just changed my mind on buying 410s

  4. #24
    Yeah baby! Yeah! silverWS6's Avatar
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    Quote Originally Posted by goof4080 View Post
    unmolested tranny?


    (anywhere else that combination of words paints a pretty poor picture)
    yea i havent done anything to my tranny

    Quote Originally Posted by Lunatikgixxer View Post
    in 6th gear? really? im glad u posted that, that just changed my mind on buying 410s
    i like my 4.10's a lot but i could care less about gas mileage

  5. #25
    Auto Painter RyanJM's Avatar
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    I want to know who actually owns a LS1 and really cares about gas mileage. My friend bought a 08 Vette and told me how great the gas mileage was, and my only though was when did buying a muscle car and gas mileage start soming toghter in the same sentance. My TA gets good mileage even with 3.73's and a A4 with my tune, but it was tuned for power not mileage and I can't wait for the stall and cam to get installed. It will lower the mileage but increase the power and isn't that what owning these cars is all about
    1998 Trans Am 85k miles.
    Bolt ons, MS3 113LSA cam, Circle D Stall, Tune, Modified WS6 style hood, Full Suspension, 6000k HID's, Clear Side Markers w/ Leds, Led 3rd Brake Light and 18" AR Staggered Killer Wheels w/ BFG KDW NT's.- Weekend Toy/DD
    02 Trailblazer -Sold
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  6. #26
    Army of 1 wooddaniel's Avatar
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    Quote Originally Posted by silverWS.6 View Post
    yea i havent done anything to my tranny



    i like my 4.10's a lot but i could care less about gas mileage
    I just did H/C so good mileage is gonna be out the window

  7. #27
    Senior Member Lunatikgixxer's Avatar
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    Quote Originally Posted by RyanJM View Post
    I want to know who actually owns a LS1 and really cares about gas mileage. My friend bought a 08 Vette and told me how great the gas mileage was, and my only though was when did buying a muscle car and gas mileage start soming toghter in the same sentance. My TA gets good mileage even with 3.73's and a A4 with my tune, but it was tuned for power not mileage and I can't wait for the stall and cam to get installed. It will lower the mileage but increase the power and isn't that what owning these cars is all about
    damn right

  8. #28
    Junior Member black_98TA's Avatar
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    Quote Originally Posted by justinmc978 View Post
    you'd better be knocking on some wood right now dude


    but seriously with 275 tires that WS6's come with i wouldnt stress the rear end too much, now, throw on some 305+ tires and it would definatly be more of a priority


    hey just out of curiosity.. what kind of rpms are you running at 70mph in 6th gear with those 4.10s?
    i run right at 2k rpm which suprisingly gets really good gas mileage... at 1.7 k it gets much worse on the highway (which is what it was running before the 4.10s)

  9. #29
    Junior Member black_98TA's Avatar
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    Quote Originally Posted by goof4080 View Post
    unmolested tranny?


    (anywhere else that combination of words paints a pretty poor picture)
    WHOA!!! ... and thats why i say DAAAMN lol

  10. #30
    expensive tires az gt eater's Avatar
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    I ran up to Minnesota a couple of years ago, and found the best mileage stock at 87mph. I got 27 mpg in 6th. It sits at 1,800 rpm. I tried everything, except speed limit. You know how it is. Because willpower is no match for horsepower. Oh, and its 3.73. What i would like to do is gear it down, and be able to clear 60 in first. Like a ferrari, or a z06. Is this a bad idea with 450 rwhp? Or is it better to start out in second? I know im getting off topic. To the OP, subframe connectors, and long tubes. Tune, air, and cat delete. That's right, no cats.

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