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Bang for Buck, Heads & Cam selection

This is a discussion on Bang for Buck, Heads & Cam selection within the Internal Engine forums, part of the LSx Technical Help Section category; Originally Posted by Intrepidman uh huh...and how do you get to 6K? - by going through 4-5K first. Plus if ...

  1. #21
    Senior Member INMY01TA's Avatar
    Join Date
    Jan 2006
    The great red state of MD.

    2001 Trans Am (sold)

    Quote Originally Posted by Intrepidman View Post
    uh huh...and how do you get to 6K? - by going through 4-5K first. Plus if I'm running the 1/4 I see 4-5k in first, 4-5k again in second, and I finish the 1/4 in the bottom of the 4-5k range of 3rd. The race is over long before I hit 6k in 3rd and I'd have to trap some High speeds to get there. (unless like I said, I used deep gears...and since this is my dd, I'm not going that route)
    I'm just tryin to tell you how to set it up to go a lil faster. If you're finishing in 3rd at 5000 I'm guessin it ain't all that fast. What's it run? A4s need the right combo of gear, stall, and cam.

  2. #22
    Join Date
    May 2008
    New Brunswick
    I haven't run a timed quarter this year...yet. But what does a bolt on f-body make mph wise in the quarter, maybe 110. With stock 3.23 gears thats low rpms in third at the finish. Without going out to the highway at the moment I really couldn't say what, but I'd guess its just getting up to the 5k mark at that speed.
    I suppose if the head/cam goes well I could be making speed that would get me into the 6k range...when running the 1/4 at least, but drag racing is only a part of what this car is going to be doing.

  3. #23
    Junior Member
    Join Date
    Jun 2009
    clifton nj

    Light Pewter Metallic
    2002 Camaro Z/28

    it all depends on what the car is being built to do... is it a street car? if so, a cam with a lower range will be better. is it a purpose built drag car? then by all means go for a higher revving cam. if daily drivability is a concern, then you might want to stick to a lower cam so that you have the power from the (stopsign, streetlight, drive-thru, etc) without revving the hell out of the motor...
    race it, wreck it, dump some time and cash into it and DO IT AGAIN...

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