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  1. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    ADC7 - knock input pin values when driving around with very retarded/safe timing. Seems like the knock floor (base engine noise) is between 50-150 'counts' When I intentionally advance timing beyond reason: Spikes over 200 were knock My current timing before installing the knock sensor...
  2. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Knock knock! Trying to figure out megasquirt gen2 knock settings. You have 3 trim pots under the case to adjust- gain, "start" and "slope" I think my strategy here is to adjust gain and start until ADC6 is around 100-200 and then do pulls with very late timing to adjust the slope and...
  3. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Has to contribute as the garden compost, chicken bedding, mulch hauler before taking it back out of commission
  4. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Yes I have heard the same from friends. I plan on stuffing a stainless pad above the baffle
  5. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Had quite a few oil leaks from unexpected places. Unhooked the crankcase vent lines from the catch can and they all stopped. The can had this brass sintered metal filter in it that I removed. I also modified the baffle to try and improve the oil separation. We'll see if it helps.
  6. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    New to do list : Valve cover powder coat Port wastegate housing Install fuel pump Wire bosch knock sensor Rebuild transfer case and drive shaft Current AFRs on the 20 minute drive to work If this turbo can hold boost out to redline I will be very impressed, 7PSI by 2400RPM! At the start of...
  7. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Some good news- Radiator and fan are handling the heat rejection. 50-60F outside and the coolant temp is flatlined at 190F on all data logs and doesn't increase on boosted pulls. Intake manifold air temps (not intercooler outlet) are +20F over ambient so the intercooler seems to be well sized...
  8. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Bad news. T25 internal wastegate causing boost creep. I've read about it on miata forums- they end up using a dremel to enlarge the port. Even with the wastegate rod disconnected I make 16PSI at 4000rpm. Stock fuel pump is limiting too, 550cc injector duty cycle is at 100% and getting lean at...
  9. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Driving! Wastegate came in around 12PSI so I want to adjust that back down and work my way up slowly with the fueling/timing maps. Was knocking last night so I pulled a bunch of timing out and am just working on getting reasonable fuel - right now running pig rich 10:1 to avoid meltdown. It's...
  10. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    It lives
  11. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Correct. Boost will increase blowby and instead of dumping oil, exhaust and water vapor into the engine, you vent it to atmosphere. Closed crankcase is an emission regulation for on highway since the 1960s. All heavy duty off highway diesels run open crankcase vents
  12. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    But you're right about the vacuum manifold to brake booster. 1 line to the wastegate, 1 line to the blow off valve. Fuel pressure regulator vacuum line is in the stock location off the intake manifold.
  13. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    This can has 2 inlets, a baffle, and a filtered outlet with drain on the bottom. The can also unscrews
  14. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Oil catch can by the booster. Still need the fittings for it though
  15. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Megasquirt IO can now turn the fan on and off. Need ground cables and crankcase vent fittings. More stuff from 22RE Raceworks
  16. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Valve cover AN bungs and some valve cover goodies from Jim. Coolant ✅ Oil ✅ Waiting for some AN fittings and battery cable connectors. Should have it fired up this weekend 🤞
  17. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Coworker has a side gig and he only charged me $100. Not sure what other powder/ceramic coating shops going rate is
  18. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Back from vacation and welder parts came in. Oil drain flange done. One less thing.
  19. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Spark plugs went 1 step colder. Denso iridium IQ20TT gapped to 0.035 to start
  20. EngEngr

    Builds Engr 88 Pickup - 22RE Megasquirt turbo build

    Cerakote titanium. The end is in sight! AN fittings in the mail for oil catch can. Need to finish wiring and finish the oil drain but I'm waiting on new CK torch parts.
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