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4.10s with 150shot.

This is a discussion on 4.10s with 150shot. within the Nitrous forums, part of the LSx Technical Help Section category; Just for the sake of comparison, if you went with the 4.10's, you should be at 112 mph @ 6,000 ...

  1. #21
    JUISSED Midnight02's Avatar
    Join Date
    Feb 2007

    Navy Blue Metallic
    2002 Camaro SS

    Just for the sake of comparison, if you went with the 4.10's, you should be at 112 mph @ 6,000 rpm in 4th gear. If you ran it up to 6,500 rpm, it should take you to 121 mph. If you had a ridiculously high-revving motor at took it to 7,200 rpm (which is highly unlikely), you would be able to hit 134 mph.

    Depending on what you're running now and what mods you have planned for the future, the 3.90s were a great compromise. The numbers for the 3.90s look more like this: 117 mph @ 6,000 rpm; 127 mph @ 6,500 rpm; or (HAHA!) 141 mph @ 7,200 rpm.

    I'm planning to swap to a 9" rear and was originally planning to go with 4.10's, however now that I have a heads, cam, N20 car, I'm certain a 3.90 will be a MUCH better fit for the quarter mile.
    2002 Camaro SS M6, 2.5 PRC 5.3L heads, TFS 228/230 cam, FAST 92, bolt ons + a 10 lb bottle in the back.

    1989 Corvette L98, A4, Full bolt ons, etc.

  2. #22
    Just another Joe Eagle's Avatar
    Join Date
    Mar 2007
    NW Chitown

    2002 WS6

    Quote Originally Posted by krug07 View Post
    mrr23 ran out of gear but his is auto.. sense i have a m6 is there a difference when running out of gear? if i have to shift into 5th is that really bad idea on nitrous?
    Its a question of strength (OD gearing) as well as adding the lag of an additional shift at the big end of the track... its going to increase your time & drop trap speed. I could see needing to hit 5th on 4.10s on the very top of the track unless you can REALLY rap out each gear getting the most out of each RPM band... might stretch you far enough to make the entire track revving out 4th.

    GL with your choice and +1 to 3.90s!


  3. #23
    Member krug07's Avatar
    Join Date
    Sep 2007
    skiatook oklahoma

    01 trans am ws6

    yeah i was hoping with the 3.90s that i wouldnt have to shift into 5th.. ill keep everyone updated on how everything goes. If theres anyone on the site that is running what im running it would be nice to hear how everything turned out with 3.90s and nitrous

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