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Thread: cams too big for stock manifolds?

  1. #11
    Join Date
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    thanks again for y'all's help with my noob questions. i'm pretty new to this modification stuff - i mean i read about it all over the place, but i ain't never had first-hand experience with a lot of it.

    Quote Originally Posted by Tank View Post
    tr220 or old man cam. or a 212/218 .595/.590 114. has more hp than the high lift 212/218 and has more aggressive lobe. good with stock verter
    212/218 .595/.590 114*
    that's higher lift than the one Comp suggested, so which one are you recommending?


    ps - my left foot is all the stall i need

    Quote Originally Posted by WARLOCK View Post
    Headers first for sure.
    yeah... i'm starting to get that picture
    00 FRC - just top end, exhaust, and a hot-air intake
    99 Sierra - 5.3 / 5spd
    ↓ click the pic for the build ↓

  2. #12
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    The fact that you have a 5 speed allows you to use a larger cam. Why would you worry about low end when you can rev it to the moon on takeoff?

    1969 Chevy RCLB C10 350/TH400 SOLD
    2007 Chevy RCSB 4.8 4x4 LS SOLD
    2008 Chevy RCSB 5.3 4x4 LT SOLD
    2010 Chevy CCSB 6.2 4x4 LT SOLD
    2005 GMC CCLB DRW 6.6 Duramax 4x4 191,000 and counting
    2013 FORD CCSB F350 6.7 Powerstroke 4x4


  3. #13
    Join Date
    Jul 2009
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    532
    Ooo didn't know it was gear grabber.

    So the TR wouldn't be bad.
    04 Silverado Z-71 Extended Cab

    Magnaflow, 10.4 TV 50 wires, tr-55ix, Synthetics, HID's, JL audio, 33.5", leveling kit, tuned, CAI, vette servo, cam, valve job, pacesetter. 9.3@77.5 and 14.5@93.4

    06 2wd

    custom cam, tune, 3.73's, servo, HID's, 10.4mm wires, long-tubes, CAI, magnaflow, 2.5" shackles, Circle-D 3200, UD, JL Audio 4.1, Alpine 5ch

  4. #14
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    Quote Originally Posted by pl4yboy View Post
    The fact that you have a 5 speed allows you to use a larger cam. Why would you worry about low end when you can rev it to the moon on takeoff?
    because
    Quote Originally Posted by zebra View Post
    ...i'm basically just looking for a bigger curve, mainly low & mid gains - 90% of my driving is under 2500rpm. any top end gains are just for kicks & giggles and showing off...






    Quote Originally Posted by Tank View Post
    Ooo didn't know it was gear grabber.

    So the TR wouldn't be bad.
    again from the OP...
    Quote Originally Posted by zebra View Post
    ...the specs for my truck are:
    1999 NBS Sierra RCSB 4x4
    2001 5.3 LM7, 1999 NV3500 trans
    3.73 gears, 265/75-16 tires (changing to 285/75-16 when these wear out)
    airaid CAI (filter & tube), Mellowtone muffler (similar to flowdisaster 50HD) - 3" in/dual 2.25" out the back
    possible 243/799 heads later on down the road, but that still remains very undecided...



    i was looking at the not-all-that-big cams because i still have to drive this thing every day & i ain't loaded, so filling up with 93 takes enough of a worthwhile toll. i do expect to lose a little mileage with a cam, but i'm trying to find a middle ground. it's a 4x4 for crying out loud, not a drag queen.
    00 FRC - just top end, exhaust, and a hot-air intake
    99 Sierra - 5.3 / 5spd
    ↓ click the pic for the build ↓

  5. #15
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    May 2009
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    i will agree, however, that it was worthwhile to do the headers first. at least it's back up to my dumped muffler loudness level. almost 2yrs with catless LTs has been nice, but i still need a cam... i'm still wondering how that 214/218 would do with my car's LS1 swapped over probably port my 862s for a extra compression bump.

    but ain't it always somethin?... i still gotta get a 402 or 416 for the car first, and for the past year being with my (now) wife, i ain't been able to spend a dime on either vehicle i want to die...
    00 FRC - just top end, exhaust, and a hot-air intake
    99 Sierra - 5.3 / 5spd
    ↓ click the pic for the build ↓

  6. #16
    Join Date
    Mar 2010
    Location
    Paris
    Posts
    305
    Definitely go with headers first. Mine were 330 to my door from eBay. Headers and ory, and installed in less than 2 hours.

    I'm running a Comp 219/227 .607/.614 112lsa in my cc z71. I drive it every day. Good low end torque, and still very drive able. I lost 1.5-2 mpg after cam swap, but I think most of the mpg loss is my right foot.

  7. #17
    Join Date
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    mine were $275 - caught them on special a little over 2 years ago
    and i don't feel like slipping my clutch that much for a cam like that
    00 FRC - just top end, exhaust, and a hot-air intake
    99 Sierra - 5.3 / 5spd
    ↓ click the pic for the build ↓

  8. #18
    Join Date
    Mar 2011
    Location
    Gibbstown, NJ
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    I can get you that comp cam: comp grind 212/218 522/529 114* for $345.00 from my wharehouse overnight...pm for more info
    2001 ECSB Z-71: 7.0L LS7, Kook's LT's, True Duals, RPM Tune, F.A.S.T. Intake/TB, YANK TT3000, 4:10's, G80, AWD Swap, 160-Stat.....
    Slowest in South Jersey ..........SOLD :-(
    2012 GMC Sierra Z71 CC: 6 Speed, 3:73's, G80, Back up DD...........SOLD
    2000 RCSB Shitbox.......370LSx/Built 60e/4.56's,EATON Posi, CAI,3" SLP Exhaust, DD.......Build Thread http://www.ls1truck.com/forums/my-ga...ker-punch.html

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