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Thread: Guess the numbers

  1. #11
    ff_jeff Guest
    Quote Originally Posted by ff_jeff View Post
    Well my 4.8 with that cam made 317whp with a nitrous tune. About 330whp na tune. So Ima say about 350whp-375whp depending on tune and exhaust. What is your rev limiter set at? Cause you wont see peek until about 6krpms. Also the more open the exhaust the better with this cam. like, get rid of the mufflers and youll make a lot more power. with a good tune of corse
    EDIT: the correct cam specs are 226/236 .525/.525 110lsa
    Quote Originally Posted by Alex41 View Post
    Well........It didn't disappoint at 345 through an unlocked converter and 87 octane. Peak hp was at 6100 and the torque was around 328 at 4800.
    I was close in my estimate because I know this cam. Do you have a picture of the dyno sheet? That way I can see your power curve, and a/f ratio.
    Your motor has a lot left to gain with this cam/head combo. I would say with LT's ORY and 3'' open exhaust with a good live 93 tune you will see 365whp 345wtq. Like I said before this cam is all about the exhaust. Also make your shift points at about 6500rpms. It will be much happier there.

    look for low 13's to mid 12's on th track.
    Last edited by ff_jeff; 03-12-2009 at 11:57 PM.

  2. #12
    Join Date
    Aug 2008
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    North Texas
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    The cam is why the TQ is a little low but it made a little more HP than I thought.

  3. #13
    Join Date
    Nov 2006
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    i think its not to bad for running 87 octane...but why on earth not run a better gas in it...you can get a lot more timing and power with 93 and prob get the 370's easy
    2006 silverado SS....Clifford Jr...turbo coming soon
    1970 Chevelle ly6 swap....d1 coming soon

  4. #14
    Join Date
    Feb 2009
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    Biloxi MS
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    The original intention of this truck was to be a driver. I have had street driven monsters in the past and this one is just nice to get in and drive. It does triple duty and does it moderately on all fronts so I'm not mad at all.

  5. #15
    Join Date
    Dec 2005
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    Houston,TX
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    268
    Not to bad, mine put down 313hp and 328trq last year b4 the cam and stall. Haven't had time to dyno my current setup.

    00' Ls1, TSP 228R - 228/228 .588/.588, Yank SST3200, Nelson tune, Nelson wiring harness,
    s&p headers, custom radiator with e-fans,
    91 sub front end with billet grill and bowtie,
    autometer gauges, red and grey tweed interior, dual 2.5" flowmaster super 40, Dmh cut outs, 5"-7" drop,
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    Coming soon: Air ride with an SD raised front crossmember and 6 link canti out back

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