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Thread: 112 or 114 lsa

  1. #1
    Join Date
    Apr 2005
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    454
    what are the major differences also anyone have any vidoes of either??
    1999 GMC Sierra black reg cab short bed SLE Z71 5.3 <--CARDOMAIN PICS
    NELSON 93 hot tune, 02 PCM, VOLANT Ram air intake, MSD wires, ACdelco iridium plugs , Edelbrock ceramic shorty headers, jegs off-road y pipe, Dynamax int pipe, 3" Magnaflow Exhaust with turndown, EGR removal, throttle body bypass, vette servo, long servo pin, performance 4th apply piston, B&M shift kit, SLP 160* thermostat, LS1 Fans, NELSON harness, ported and polished throttle body (did it myself, for free lol)..... _______? cam is next as soon as i stop spending all my money

  2. #2
    Join Date
    Oct 2005
    Location
    Warsaw, Va
    Posts
    53
    112 makes peak power about 200-400 rpms sooner roughly and idle is worse then a 114

    114 idles better so its easier to tune
    04 ECSB Silverado 4X4
    Nelson Tuned - 220cam - 3000yank stall - stage 1 heads
    LS1 fans - ASP pulley - 3inch lift - ASM LT headers Mod Page
    aka 98TAauto - 98TA 11.4 @ 119 H/C street trim

  3. #3
    Join Date
    May 2004
    Posts
    2,120
    In more detail, Lobe Separation Angle determines where in the power band the torque peak will occur. A short separation angle (below 108 degrees) makes the torque build quickly, peak early in the power band, then fall off quickly. Short separation angles produce a "peaky" torque curve. A long separation angle (above 112 degrees) makes the torque build gradually, peak later, and drop off more slowly. Long separation angles produce a "flatter" torque curve. The peak torque is not as high, but the torque band is wider.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

  4. #4
    Join Date
    Apr 2005
    Posts
    454
    hmm i see anyone have any sound clips... im gonna get a cam and its either gona be a 112lsa or 114 thunder racing 220 220 ..... i was thinkin 112 because of the power being lower in the rpm and me having no stall... everyone feel free to throw their
    1999 GMC Sierra black reg cab short bed SLE Z71 5.3 <--CARDOMAIN PICS
    NELSON 93 hot tune, 02 PCM, VOLANT Ram air intake, MSD wires, ACdelco iridium plugs , Edelbrock ceramic shorty headers, jegs off-road y pipe, Dynamax int pipe, 3" Magnaflow Exhaust with turndown, EGR removal, throttle body bypass, vette servo, long servo pin, performance 4th apply piston, B&M shift kit, SLP 160* thermostat, LS1 Fans, NELSON harness, ported and polished throttle body (did it myself, for free lol)..... _______? cam is next as soon as i stop spending all my money

  5. #5
    Join Date
    May 2004
    Posts
    2,120
    Do you want some lope or do you want a stealth sound to your truck? The cam in my sig is an MTI stealth and it&#39;s really 115 LSA, I accidently put 114. Either way you&#39;ll be happy but you might need Allen to tweak the PCM.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

  6. #6
    Join Date
    Apr 2005
    Posts
    454
    i def want some lope thats why i was gonna go with the 112 .... nitrrous looks like im gettin a cam close to yours ... TR 220/220 .551/.551 112 LSA 1500-6500 RPM
    1999 GMC Sierra black reg cab short bed SLE Z71 5.3 <--CARDOMAIN PICS
    NELSON 93 hot tune, 02 PCM, VOLANT Ram air intake, MSD wires, ACdelco iridium plugs , Edelbrock ceramic shorty headers, jegs off-road y pipe, Dynamax int pipe, 3" Magnaflow Exhaust with turndown, EGR removal, throttle body bypass, vette servo, long servo pin, performance 4th apply piston, B&M shift kit, SLP 160* thermostat, LS1 Fans, NELSON harness, ported and polished throttle body (did it myself, for free lol)..... _______? cam is next as soon as i stop spending all my money

  7. #7
    Join Date
    May 2004
    Posts
    2,120
    Yep, but you&#39;ll have a little more lower end torque and a lope and I&#39;ll have a more broad range with upper torque. My stall and 4.10 gears will make up for the lower end.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

  8. #8
    Join Date
    Jan 2005
    Location
    Conway, AR
    Posts
    1,353
    My LS6 cam is a 117.5 and it peaks at 5300 for torque and is really flat through the whole graph. The HP is still slowly building at 5800 rpm. It has no lope at all, really smooth sounding at idle.

    Chris
    2009 Silverado, HPTuners, all stock.

  9. #9
    Join Date
    May 2004
    Posts
    2,120
    I like the LS6 cam, that&#39;s why I went with the stealth cam because it&#39;s moreless an LS6 upgrade.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

  10. #10
    Join Date
    Jan 2005
    Location
    Conway, AR
    Posts
    1,353
    I will defiantely go with a more aggressive cam on my 6.0 when this motor goes, but it will be close to the LS6, alot of people think its too conservative but I am out to prove alot of people wrong when i run it this spring after I get the tuning perfect&#33; I really like the sound of idle, no lope, but its really smooth and sounds good with no cats and the super 40 flow.
    2009 Silverado, HPTuners, all stock.

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