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Suggestions on parts for 1000+hp motor build.

Discussion in 'Engine/Tuning' started by idiliogomez, Feb 23, 2017.

  1. idiliogomez

    idiliogomez Young One Established Member

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    Who wants to help virtually build an 03-04 cobra motor??
    I got a block and heads that I'm getting ready to build and I want some suggestions on EVERY single part. pistons, rods, rings, crankshaft, vavletrain parts, studs, oil pump, literally everything.

    If you can supply brand names with part numbers and sites that I can find them...

    The car has a 2.2kb on it right now and I just made 609rwhp on a completely conservative tune...

    The goal here is to build my spare block and have it ready for when the one in the car pops.

    I'm eventually going BIG power most likely turbo, and I want the block to be pretty much indestructible lmao.
    Ideally want it to be able to hold like 1200+hp.

    Experts in here give me some suggestions on parts.
     
  2. InvisibleBlade

    InvisibleBlade Highway to Hell Established Member

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    E85! Lol I have no idea on parts, so I'll defer to the more knowledgeable people. Hopefully, I get some good ideas for any future plans.
     
  3. idiliogomez

    idiliogomez Young One Established Member

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    Yes yes, e85 without a doubt... but I'm really trying to figure out what internals to go with for now
     
  4. bullitt2735

    bullitt2735 Well-Known Member Established Member

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    molnar billet rods, gibtec pistons, stock crank
     
  5. Weather Man

    Weather Man Persistance Is A Bitch Premium Member Established Member

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    Billet crank for that HP level, if you can afford it.
     
  6. Ironmancuck

    Ironmancuck Banned Established Member

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    At power levels that are much higher than stock, the factory Terminator iron block has cylinder wall cracking problems so add an aluminator or Teksid aluminum block that has not been bored over to your parts list. most people think that iron blocks are stronger than aluminum ones, but thats not true in the case of mod motors as the iron blocks have thinner cylinder walls than the aluminum versions. Of corse, most guys will over bore the iron blocks and weaken them even more. The main caps on iron terminator mod motor blocks are only held in by 4 bolts vs six bolts on the aluminum versions so the iron block will have main bearing issues as well.
     
  7. idiliogomez

    idiliogomez Young One Established Member

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    I see what you're saying, but bob kurgan has tuned these cars and pushed them over the 1000hp mark on even factory internals. I'm definitely going to look into that...
     
  8. NastyNate420

    NastyNate420 Member Established Member

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    I went with some Custom CP pistons with thicker skirts and the top ring dropped down . I cant remember the specs off hand. .200 H13 pins , SS total seal rings, Carrilo I beams , Clevite coated bearings , arp hardware though out. Arp 2000 head studs, boundary billet OP, stock forged crank,.....
     
  9. idiliogomez

    idiliogomez Young One Established Member

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    Awesome!! This is the kind of reply I was looking for. And also, are you on an 03-04 cobra iron block?
     
  10. NastyNate420

    NastyNate420 Member Established Member

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    Mach 1 block WAP
     
  11. Nightmare302

    Nightmare302 OhChuteRacing Owner Established Member

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    The largest flaw in the 03 cobra Iron block is the 2 bolt mains. They tend to walk at high HP levels. If you want a true 1200rwhp then I would suggest going to a teksid or new wap (aka aluminator). I have an entire part list for my build but just be ready to spend a large large large sum of money. I will post my parts list when I get to my computer that it is saved on.

    Edit: Off the top of my head.

    Pistons - My own custom spec CP pistons .008 over
    Rings- Total seal stainless with modified napier cut second ring
    Wrist pins - Trend .200 wall tool steel
    Bearings - All king
    Crank - Eagle forged (the factory kellogg is strong as hell too good up to ~1500)
    Rods - Manley Billet I beams

    Timing/Cams
    Cobra engineering secondary tensioner
    Accufab secondary chains
    new iron primary tensioners
    spacers for primary tensioners
    new primary chain
    cloyes adjustable cam gears
    cloyes billet crank gear
    larger dowel
    billet guides
    custom cams
    springs
    retainers

    Oiling
    melling oil pump with billet gears
    GT-500 windage tray
    Moroso oil pan
     
    Last edited: Feb 25, 2017
  12. idiliogomez

    idiliogomez Young One Established Member

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    Great! That sounds awesome man. Thank you. And yeah it's something that I plan on doing with the time so I'm not too worried about how much it's gonna cost me, just gonna take it slow and get it done right with time. That list would be great though.
     
  13. Ironmancuck

    Ironmancuck Banned Established Member

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    What is the horsepower rating for the Molnar rods? Manley rates their standard weight (680 gram) billet I beam rods "with a heaver beam for forced induction applications" at 1200+HP. Retail price for the Manley I beams is around $1500

    Molnar 4.6 H beam connecting rods weigh 600 grams and go for less $700 retail. It seems to me that the Molar rods will take less abuse than the Manleys and I would have second thoughts about using a sub $700 rod on a 1000 + hp build.
     
  14. MalcolmV8

    MalcolmV8 Well-Known Member Established Member

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    You're looking at the standard Molnar rod. You need the one they call the "turbo" rod. It's 650 grams. Molnar rates the Turbo rod for 40 PSI at 9000 RPMs.
     
  15. MineralCobra

    MineralCobra Active Member Established Member

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    Great thread.. love the info!
     
  16. idiliogomez

    idiliogomez Young One Established Member

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    Alright boys... going with a teksid lol. How much do guys normally bore these and what sleeves do people go with?
     
  17. MalcolmV8

    MalcolmV8 Well-Known Member Established Member

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    Stock sleeves as close to stock bore as possible.
     
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  18. badcobra

    badcobra It's Fast Established Member

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    Mpls/St Paul, MN
    Here is what my engine build consists of. Just a reference point for you, but this build will handle everything I can throw at it. When I finally move to a custom cam, I'll be using Cloyes cam gears.

    Code:
    Engine:
    99/01 Cobra Teksid Aluminum Block – 3.557” bore
    ’03 Cobra Crankshaft, Manley Pro I-Beam Rods 14518
    Gibtec Custom Pistons 10.92:1, .180 Tool Steel Pins
    ARP Head Studs, Main Studs, Side Bolts, Rod Bolts, & Cam Bolts
    Total Seal AP Steel rings, Napier 2nd ring
    King SI Main and Rod Bearings
    Pro-Gram Engineering Billet Main Caps
    Teksid Dowel Pin upgrade
    2004 Cobra Heads DB 9 Thread - Hand Ported – 314/215 @ .500
    Manley +1mm SS Valves
    Stock ‘99 Cobra Camshafts
    Crower 68194 Springs & 87026-T Titanium Retainers, Stock Valve Locks
    Accufab HD Secondary Timing Chains
    Cobra Engineering Secondary Tensioner
    Modified Primary Tensioners, .200” spacer
    Cloyes Billet Crank Gear
    Sullivan Performance Intake Manifold, ported
    Melling Billet Oil Pump
    MMR 7qt Oil Pan & GT500 Windage Tray/Gasket
    Accufab Single Blade Throttle Body
    Custom Head Cooling Mod
    EMP/Stewart Water Pump, 170 Degree Thermostat
    March Performance SFI Balancer
    
     
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  19. lucheski

    lucheski Well-Known Member Established Member

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  20. sicfast

    sicfast Member Established Member

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    Pretty much the same parts as others have said except I went with Oliver billet I beam.
     

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