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  1. I

    Here we go again--spun bearing

    30 under? If so Crank is now junk as the Toyota Hardening is only at best 15 thou deep....
  2. I

    Ridiculous 1000HP 7M Street MK3 Build

    99 times out of a 100 it's because someone has used something sharp edged to jam a spoke so they can undo it and the mark left has created a stress riser... It's the Spray hole in the beam that squirts Oil onto the thrust surface of the bore that's missing.
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    Stocking up on parts some input wanted

    LMAO I had 7K just in the head of my 7M ;)
  4. I

    Block/head engineering question

    Surface area...
  5. I

    Stocking up on parts some input wanted

    I ran 1000's in my 7M for 550rwhp, they were old RC's so required full sequential operation to get good idle quality, more modern injectors may be ok with the stock ECU if you drop base pressure a bit to compensate.
  6. I

    Stocking up on parts some input wanted

    Personally I'd go larger injectors so they have a bit of overhead left at 500...
  7. I

    Shimming the bypass spring on the oil pump

    Lighter oil makes it easier to hit economy targets.... Show me proof that heavier weight oils are damaging to engines... As I said my "evidence" is anecdotal but it's there having tried/tested lighter oils in high HP 7M's and seeing signs of failure then switching to an oil weight to give my...
  8. I

    Homemade V12 w/2J Heads

    Yep last weekend :) Holden Ford Nissan Mercedes Volvo
  9. I

    Homemade V12 w/2J Heads

    They do sound awesome ;) A couple of the cars in our V8 supercar series run them.
  10. I

    Homemade V12 w/2J Heads

    LMAO I'm leaning towards option B ;) I really like the Falconer V12's, now if they'd do an LS12 that would be something! The guys doing the build on LS1 are just backyarders like me and I know the limitations involved taking on a project like that....
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    Homemade V12 w/2J Heads

    Not really Al, that one based on a production Crank isn't complete yet, one of the earlier ones built with a billet cranks for an aircraft in Norway is said to be a leaking mess and unusable and the other one that ended up in a Truck has mysteriously disappeared... Still a 90 degree V12 with...
  12. I

    Ridiculous 1000HP 7M Street MK3 Build

    Need to chamfer that hole ;)
  13. I

    Homemade V12 w/2J Heads

    Also 90 degree V12... fail.. Might just be the mock up pics but it looks more like 95 degrees so maybe he's found a way to deal with the firing order issue without splitting the crankpins ;) <sarc>
  14. I

    Homemade V12 w/2J Heads

    I'll believe it when I see a vid of it running...
  15. I

    Shimming the bypass spring on the oil pump

    While it may be anecdotal I think I'll stick with what know and have proven to work, by all mean run whatever you prefer. I've yet to have or even see an engine bottom end failure that can be directly attributed to too high a pressure or too heavy an oil weight used.
  16. I

    Shimming the bypass spring on the oil pump

    10/60 and the 10/70 I'm now using isn't heavy at low temps, I don't understand the reasoning behind the "it's only providing pressure and not flow"... :nono: If this were the case it would come with huge warnings NOT to use it in anything other than modified engines... (bit of a clue it's...
  17. I

    Shimming the bypass spring on the oil pump

    ;)
  18. I

    Shimming the bypass spring on the oil pump

    Idle pressure is dependant on Oil Pump clearances, Bearing clearances and Oil weight, GTE's have so many "leaks" the Stock pump has trouble keeping up at idle hence the BS Myth that a 7M is a Low pressure high volume design, they increased pump size/capacity from the GE to cope but not enough...
  19. I

    Shimming the bypass spring on the oil pump

    10 psi per 1000 rpm at redline, I built my 7M's on the loose side of spec after seeing funky wear patterns on the Mains from Block flex when built tight. I then chose an Oil weight that would give me my 10 per, in my case this was 80psi +10 for a safety zone, 10/60 Edge did just that and 45psi...
  20. I

    Sparco Seats With Honda Logo. Sacrifice Worth Making? :)

    Or a "No Fat Chicks" sticker ;)
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