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  1. kidturbo

    Twins with Twins, Anyone?

    As of today, the engineering still standing board is down to a few well known names. Banks Intake - feed it 85gpm of water as he states, knocks down IAT from 600F to 100F as stated. Callies Ultra Billet Neutral Balance Cranks - They are first batch, still spinning, holding good oil pressure...
  2. kidturbo

    Twins with Twins, Anyone?

    I see it more as issues with the after market hardware, used in 800hp and above builds. Besides the unknown cylnder pressure leak on starboard when boost exceeds 50lbs, these long blocks are proving to be solid as ya get. And that issue only exists on 1 engine, so we can deduct that's either a...
  3. kidturbo

    Twins with Twins, Anyone?

    When the boost gauge dropped to zero, but rpm stayed above 4k,, my backfire throughs faded pretty quickly too. Plus, that small fact that diesel don't backfire.. lol Sent from my SM-G892A using Tapatalk
  4. kidturbo

    Twins with Twins, Anyone?

    Today, another player goes down swinging.. Bullseye shaft failure getting on plane, free revving somewhere around 5300Rs and 12lbs of boost . I actually said, it backfired.. Then scratched my head when it wouldn't make boost again. Idled in on that engine for an hour afterwords. Cause...
  5. kidturbo

    Twins with Twins, Anyone?

    Slip # dropped from 24% to 16. And they hook up hard on a roll out, aerate, shift at 20mph and stab it... I don't have the lower sections of air tube mounted up yet. So guessing some big pitch 5 blades will be interesting to test.
  6. kidturbo

    Twins with Twins, Anyone?

    Rooster tail got cut off with the drive swap. But once I remove the drive spacers, it might grow back. Sent from my SM-G892A using Tapatalk
  7. kidturbo

    Twins with Twins, Anyone?

    Here's a look at that from the business end. Source: https://youtu.be/zmWLT3m7Gv8 Sent from my SM-G892A using Tapatalk
  8. kidturbo

    Twins with Twins, Anyone?

    Neutral Balance pics of the day.
  9. kidturbo

    Twins with Twins, Anyone?

    Finally made it back out on the water with new outdrives pushing her yesterday. Totally forgot how sweet the sound of these puppies was. And seeing them spin 5k when props break loose out of the hole, knowing they are happy campers at that high rpm. On side note however, believe Baby-A is...
  10. kidturbo

    Broken Crankshaft Count?

    Running L5P off LBZ ECM has been done by Banks and a couple others I know of. Issue is just the cam and crank reluctor tooth counts not matching up. Banks moves the crank ring to front for that reason. Cam ring, she just needs to locate TDC one rev and done. The way I was exploring is just...
  11. kidturbo

    Broken Crankshaft Count?

    Curse you for having such impure thoughts.... But I heard Banks say he's got a big pin ready for one. :giggle:
  12. kidturbo

    What did you do at work today?

    We dropped in at the ramp noth of the hydro and ran up river about 15 miles or so. Someone has a sweet pad right on the river up there.. Sent from my SM-G892A using Tapatalk
  13. kidturbo

    What did you do at work today?

    I always wondered, but now I'm sure, he pulled that rip cord.... [emoji848] Sent from my SM-G892A using Tapatalk
  14. kidturbo

    What did you do at work today?

    Finally have a good work day to share. Spent the day tuning and testing a customers 4yr Dmax boat build on the Snake river. A little 550hp engine Mark and I dyno'd long ago in the old barn. Owner actually had it together for about a year, then she split a M race cast last summer for no good...
  15. kidturbo

    Twins with Twins, Anyone?

    Be running great when I get these new drives mounted up. Just to hot out down here in FL to work on anything but a good tan.. Sent from my SM-G892A using Tapatalk
  16. kidturbo

    Crankshaft Question

    Think it was a good move going with Callies. I liked the Compstar approach with keeping stock config but better material when I first saw one. Then that first batch screwed up a bunch of builds. But like any good manufacture, they corrected the issue, even if they never came clean as to the true...
  17. kidturbo

    Coolant and fuel temp reading negative

    Thanks for posting the pinouts. I had nothing saved from LB7. If it's not bail, it internal to ECM then. I fought a crank sensor code on one my my stand alone setups a while back. First wrote it off to my swapping the 5v and low ref between crank/cam circuits. Ran ok, for a while, then got...
  18. kidturbo

    Coolant and fuel temp reading negative

    Off top of my head, going with a low reference wire issue. Both reading identical show a linked supply line. And -40 being an open circuit reading, says there is crappy wire somewhere. Wiggle the bail connectors while watching on EFI. Most wiring failures I've seen were located in that area.
  19. kidturbo

    Twins with Twins, Anyone?

    Just to tight running hose thru where ECM harness and throttle shut off controls meet up. No reason std metric fittings wouldn't work however. Sent from my SM-G892A using Tapatalk
  20. kidturbo

    Twins with Twins, Anyone?

    First I'm gonna try these. [emoji848] Sent from my SM-G892A using Tapatalk
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