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A wealth of LSx info (Sticky Worthy???)

This is a discussion on A wealth of LSx info (Sticky Worthy???) within the General Help forums, part of the LSx Technical Help Section category; I figured it might help some of you guys since ive seen a few posts with people looking for part ...

  1. #1
    Bone it like you own it FORD RECOVERY EXPERT's Avatar
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    A wealth of LSx info (Sticky Worthy???)

    I figured it might help some of you guys since ive seen a few posts with people looking for part #'s for info etc for their LS1/6.0 etc type swaps.

    Someone might wanna sticky this.

    Gaskets & Bolts:
    88862586 – GM EOS Assembly Lubricant (breakin oil) List: 23.53 Cost: 17.66
    12557840 LS1 Harmonic Balancer Bolt List: 5.42 Cost: 4.07
    12610311 new part # - 12588372 Water pump gasket (each) List: 5.98/ea, Cost: 4.49
    12610046 GM MLS 5-layer 6.0/6.2 Head Gaskets List $39.88 ea, Cost $29.91 each
    12589226 (5.7 MLS) and 12589227(6.0L MLS) Head Gaskets
    12498544 MLS 5.7L Z06 Head gaskets (price per pair) – List $54 Cost $33.75
    12575329 stock 5.3l head gasket ($27.59)
    12498545 LS1 head bolt kit[ one head] part number $16.95/set.
    17800568 04+ head bolts (one length)
    12558760 LS1 oil pan gasket
    12585673 front main seal
    12558178 Valley cover gasket
    12558573 Header gasket
    12560696 Valve cover gaskets
    89060436 rear main seal
    12568069 GM LS1 factory rod bolt
    19170420 4.250” Bore GMPP LSX 6-bolt Head Gaskets (Pair) $113
    LS6 PCV plug 12568011
    16mm x 1.5mm oring style is oil pressure fitting size (top rear of block)
    12mm x 1.5mm oring style is water temp (side of the head fitting)

    Cam/Valvetrain/Timing Set etc
    12499225 Set of LS7 lifters (16)
    17122490 LS7 individual lifter (each)
    12600325 LS2 Timing Cover - grey cam sensor (for use on ls1 swapped cars)
    12586481 LS7 upper sprocket 4x (NBS 3-bolt truck cam swaps) List 24.19 Cost: 18.14
    12600326 LS3 Timing Cover brown cam sensor (for use on 58x reluctors)
    12499224 LS2 Yellow Valvesprings ($65 cost)
    12605527 LS9 ZR1 Camshaft 562"/.558" and 211*/230* @ 0.050" - $115.49
    12576407 Upper sprocket 2x for LS2 into LS1 car (LS2 sprocket)
    12586482 LS2 timing chain
    12588670 Timing Chain damper for LS2
    12574294 LS1 front timing cover
    12574293 Ls1 rear timing engine cover

    Flexplate/Clutch/Transmission Related:
    12621399 – New part # for 6.0L flexplate,spacer/bolts for longer crankshaft ($57.30)
    24248985 – LS7 Clutch
    12571611 – LS7 Flywheel
    89059282 - LS6 C5 Slave Cylinder – 127.79
    12564455 - LS6 C5Master Cylinder – 130.33
    14061685 – LS1 Pilot Bearing – 12.41
    12563533 longer bolts for crank spacer (th350/400 onto ls1 engine) 12563533
    12557583 Extended pilot bearing for Muncie, tremec into LS1

    Intake Manifold/Cooling System/Accessories:
    12602544 Ls6 style front crossover coolant pipe
    12602540 Coolant plug
    12590124 L76 intake manifold
    12559885 power steering replacement pulley Fbody
    GM F-body Power steering reservoir: 26068934 fbody List: 74.83 Cost: 52.50

    LS2/LS7 Engine Parts:
    LS2 cam sensor 12585545
    LS2 bare block = 12568950
    LS2 crate motor = 19156261 (formerly 12499750)
    LS2 longblock assembly = 89017654
    LS2 camshaft = 12574519
    LS2 timing chain = 12586482
    LS2 front cover = 12600325
    LS2 rear cover (same as LS1/LS6) = 12572014
    LS2 90mm throttle body with actuator (same as LS7) = 12570790
    LS2 throttle body attachment fastener x4 = 11519971
    LS2 throttle body attachment seal = 12576549
    LS2 MAP sensor = 16212460
    LS2 intake manifold = 89017648 or 12589181
    LS2 intake to cylinder head gasket x8 = 12580833
    LS2 intake manifold attachment bolt x10 = 12552344
    LS2 intake manifold sight shield, LH = 12568998
    LS2 intake manifold sight shield, RH = 12569246
    LS2/LS7 valley cover = 12570471
    LS2 fuel injector assembly x8 = 12569113
    LS2 fuel injector o-rings (orange) = 89017587
    LS2 fuel injector retainer clip x8 = 24503227
    LS2 fuel rail = 12572174
    LS2 fuel rail attachment bolt x4 = 12590276
    LS2 front coolant tube = 12578838
    LS2 rear coolant plugs x2 = 12563325
    LS2 polished rear wheel = 9594349
    LS2 valve springs (same as LS6) = 12586484
    LS2 valve pushrod cover guide (lifter tray) = 12595365
    LS2 cylinder heads (same as LS6) = 12564825
    LS2 cylinder intake valve (same as LS1) = 12563063
    LS2 water pump = 89017457
    SSR/Trailblazer 5.3L/LS2 oil pan (has front sump with hole for 4wd front axle) = 12579723
    GTO LS1/LS2 oil pan (has front sump) = 12581209
    LS2/LS7 spark plug wires = 89018058
    LS2 flywheel = 12571611
    LS7 Throttle body 12570790

    4l60e Transmission Cooler Parts Kit (Summit Racing part #'s)
    Tranny Cooler Kit: SUM-230620 (20 ft hose - $67), BMM-70266 (Cooler - $76), SUM-220687B (90 deg 6an – 2 qty - $24), SUM-220649B (1/2 npt to 6an – 2 qty - $6), SUM-220655B (1/4” NPT 45 degree to 6an – 2qty - $12), sum-220690B (6an hose end – 2 qty - $8 )

    PCM Part #'s
    99-00 Service # 09354896
    2001 Service # 52369718
    2002 Service #12200411


    Engine Block Part #:
    Lq9 Block,eng (cstg) 12551364
    Lq4 Block,eng (cstg) 12551364
    L76 Block,eng (cstg) 12568952
    Ls2 Block,eng (cstg) 12568952
    L76 Block,eng (cstg) 12577461
    L92 Block,eng (cstg) 12584724
    Ls3 Block,eng (cstg) 12584724
    LS6 engine block casting number 12561168
    LS1 engine block casting number 12559378
    LSX block------225 lbs.
    GM 6.0L block--171-178 lbs.
    GM LS2 block--103-110 lbs.

    Aftermarket Parts for LS1 applications:
    TAC module GM#12574221 for 90mm on DBW truck setups

    3/8” fuel rail quick disconnect Russell 640850, 5/16” 640860
    512K6 - shortbelt for the ASP pulley, stock alternator pulley
    ARP- 234-4319 LSx block head stud kit
    255lph hi-vol forced induction pump HLY-12-914
    MEL-10295 Hi-Pressure Standard Volume Oil Pump
    MEL-10296 Hi Pres/ Hi Vol
    AER-FBM2608 (16mmx1.5 O-ring to 6an p/s pressure fitting LS1)
    160 deg thermostat Mr Gasket – 6367 180 degree – 6368 LS2/LS3
    LS1 Male EFI Fuel line fitting 3/8” (same as on factory fuel rail) dorman 800-155

    Oxygen Sensor Location:
    bank 1 sensor 1 = driver front (pre-cat)
    bank 1 sensor 2 = driver rear (post-cat)
    bank 2 sensor 1 = pass. front (pre-cat)
    bank 2 sensor 2 = pass rear (post-cat)

    OBD-2 Wiring for your diagnostic connector:


    Head bolt torque sequence:


    Block part #'s:


    Common LS1 Valvespring specs:




    Part #'s and information for head gaskets for different applications:


    Engine block info:

    Fbody Oil Pan Dimensions:


    Truck Pan:


    Oil Pump:


    PCV/catch can routing for turbo setup:

  2. #2
    Member jerri311's Avatar
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    Nice info to have. Thanks!!

  3. #3
    Wait.........WHAT??!! LoneGunman's Avatar
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    Wow, this should definitely be stickied! Lots of good info here, thanks!

  4. #4
    Veteran 0rion's Avatar
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    yep...sticky under general info.

  5. #5
    Factory Freak Mikat1's Avatar
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    so what block do I have if my block# is 12561584??
    LS6= 12561168
    LS1= 12559378

  6. #6
    Bone it like you own it FORD RECOVERY EXPERT's Avatar
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    Quote Originally Posted by Mikat1 View Post
    so what block do I have if my block# is 12561584??
    LS6= 12561168
    LS1= 12559378
    Where did you find said casting no, Pics?

  7. #7
    Factory Freak Mikat1's Avatar
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    Quote Originally Posted by FORD RECOVERY EXPERT View Post
    Where did you find said casting no, Pics?
    on the block by the master cylinder... drivers side under the head

  8. #8
    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    I google searched 12561584 and came up with a LS1 F-body power steering pump bracket?

  9. #9
    Bone it like you own it FORD RECOVERY EXPERT's Avatar
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    Quote Originally Posted by Cutlass View Post
    I google searched 12561584 and came up with a LS1 F-body power steering pump bracket?

    I did the same... the casting no is on the back of the block...

  10. #10
    Factory Freak Mikat1's Avatar
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    Quote Originally Posted by FORD RECOVERY EXPERT View Post
    I did the same... the casting no is on the back of the block...
    hmmmm... no real way of seeing that then. any other way to get the casting #

  11. #11
    Just me Y2KPewterSS's Avatar
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    Quote Originally Posted by Mikat1 View Post
    hmmmm... no real way of seeing that then. any other way to get the casting #
    I think you can if you have a small mirror.

  12. #12
    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
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    Quote Originally Posted by Mikat1 View Post
    hmmmm... no real way of seeing that then. any other way to get the casting #
    does this help you

  13. #13
    Senior Member grouch0jr's Avatar
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    Quote Originally Posted by FORD RECOVERY EXPERT View Post

    PCV/catch can routing for turbo setup:
    Click for full size
    what about for a stock engine? ha, i spent hours on here and other sites trying to figure it out. this diagram is much better than engine bay pics.

  14. #14
    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
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