Recent content by subcom

  1. subcom

    7875 + 5.9 + E85 + Megasquirt

    Take it to the track! Safest place to test. Just don’t try to be a hero or break any records and take it slow at first. Prepare to be disappointed, or maybe not. Take lots of notes, log everything, review, make changes, test….rinse, repeat. I’m an engineer by day so that routine is pretty much...
  2. subcom

    7875 + 5.9 + E85 + Megasquirt

    Let's try this. I did a video capture of the log from the 6.8 pass. Sorry, no vroom, vroom sound effects. I was pleasantly surprised to see it went straight to about 10psi in about 1 second. AFR was a little rich also but that was expected. I left it on the richer side since I've never fine...
  3. subcom

    7875 + 5.9 + E85 + Megasquirt

    Without the 2 step I just brought the RPMs up to about 2700-2780 before launching. That wasn’t enough to build any boost. The 2-step when it worked with the old converter is programmed to cut timing to 1 degree and add fuel starting at around 2500 RPM. This usually would allow me to build about...
  4. subcom

    7875 + 5.9 + E85 + Megasquirt

    2nd pass where I let off early.
  5. subcom

    7875 + 5.9 + E85 + Megasquirt

    2nd pass. Turned up the boost to 10psi and disabled the 2-step. Would have been faster but I let off short of the stripe cause my shift light came on and I panicked and let off the gas like an idiot.
  6. subcom

    7875 + 5.9 + E85 + Megasquirt

    This was my first pass. The 2-step was acting stupid and didn’t even turn off until I was well out of the hole killing my 60’ but MPH was strong. This new converter is tight and didn’t allow me to build boost on the line so need to adjust the 2-step to match the converter. This was 9 PSI.
  7. subcom

    7875 + 5.9 + E85 + Megasquirt

    Got it to the track tonight and made three runs, last one is a new personal best. 6.82 @ 106.5MPH at 13psi and no two step, just foot brake and no boost at launch.
  8. subcom

    7875 + 5.9 + E85 + Megasquirt

    So it’s the Ford Contour dual fans which are inexpensive, compact and move a lot of air. The PWM is from a Mitsubishi dual fan application and the latest MS3 firmware provides granular control of the fans. So fans are off until 170 and then I add 40% duty cycle and it ramps up to 100% at 180. I...
  9. subcom

    7875 + 5.9 + E85 + Megasquirt

    This is all early days in the testing but I’m judging the flash based on where it starts to build boost in 3rd. It might be even tighter on the brake but I haven’t tested. No expert on converters either but it’s possible my old PTC is just overdue for a rework. I’ll send it back to them and find...
  10. subcom

    U-Haul car trailer experience?

    I use them all the time but for short hauls to the track. Nice trailers, really well built and thought out. Like others have mentioned just inspect everything. Especially the front tire straps. Last one I rented was brand new and really nice.
  11. subcom

    [FOR SALE] 22" Electric Fan and Controller

    This is a powerful little compact fan for tight spaces and 22" radiators. I had this on my Early A body. It's for a Chevy HHR application and measures 22.5" wide by 18" tall and is a little under 4" thick at the motor. I'm including the adjustable Derale 16759 Fan Controller with temp sensor...
  12. subcom

    Will my 360 cast crank, cast piston……

    If the motor is not fully assembled, I'd go ahead and pull out the pistons and gap the rings. It would give you a chance to inspect your Craigslist special also and checkout out bearings, etc. before bolting it all back together.
  13. subcom

    7875 + 5.9 + E85 + Megasquirt

    This was earlier today. 3rd gear, rolling into boost on the street. The old converter was blowing right past this and hitting as high as 6300rpm. This one is holding steady. Can't wait for next track day. :) Also my new Ford Contour dual electric fan and PWM controller is working like a champ...
  14. subcom

    7875 + 5.9 + E85 + Megasquirt

    New converter installed. Got this from a buddy who had it as a spare. It’s a Circle-D supposedly and was built for an oddball — LS turbo mated to a 727 in a Dakota. It’s a little tighter than my PTC and has much better street manners and flashes to about 3200rpm. Now that I’m able to couple the...
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