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cgsheen1

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cgsheen1 last won the day on August 11

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About cgsheen1

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    www.sakuragarage.com

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    Tempe, AZ
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    Sakura Garage

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    260z

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    RLS30

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  1. What?? And that makes sense to you why?
  2. I've been wondering (but haven't asked): Why the R35 coils?
  3. Ah, looks nice. I'll stick with an optical wheel in an L28ET dizzy though...
  4. It certainly is. Bunny Ears... (ish)
  5. Well, any crank wheel is enough to run it all, but how... What madkaw is getting at is this: The crank travels two complete rotations to complete one engine cycle of "four strokes". Top Dead Center occurs two different times during the complete engine cycle. With a toothed wheel attached to it, the crank can "tell" you when TDC has been reached BUT it can't actually determine if it's on the compression stroke or the exhaust stroke. (no matter how many teeth you have, or lose...) Usually we go to the Cam for that information - it runs at half the crank speed. Since the Cam only makes one rotation for every two crank rotations, a separate sensor on it can tell you when TDC is on the compression stroke - and that's what we're most interested in. Those of us running full sequential ignition with most aftermarket ECU's need input from both the crank and the cam to provide the exact engine position needed. There are other methods I'm sure, but those are most common. Using just the crank toothed wheel input, I could still run individual coils (COP) in a "wasted spark" mode - and the Haltech ECU is certainly capable of doing that. Wasted spark fires two spark plugs at the same time on opposing cylinders so it doesn't really matter the crank position. It's firing cylinder one at both TDC compression and TDC exhaust - it can't "get it wrong". (How could it "get it wrong"? The engine doesn't stop at the same place every time. When you shut it off, the ECU can't keep track of it's exact location and "know" it's exact position when you start it back up again - that's why they need position sensors...) IF Haltech can glean enough information from a toothed wheel (not using a cam sensor input) to run full sequential (not wasted spark), I think there are many that would like to know how they do it. (BTW, I can't see how the Hoke toothed wheel is 60-2... On the linked site it shows his as a typical 36-1. Not that the number of teeth makes any difference. More teeth normally just means better resolution but more teeth can also be harder to "read" accurately at high RPM - so they strike a balance when they invent these things.)
  6. 😁 Ya, I noticed that after I reinstalled the speedo a few weeks ago. I've just been too lazy to get back under there to change that lower right bulb... I don't do much night time 140mph driving anyway. I mostly use that left side of the speedo. You guys may have shamed me into doing it before October though.
  7. Yes, stock 3.4 watt bulbs, green plastic domes all cleaned, and repainted inside the cans with flat white. The lower right bulb in my speedo is not working. I just haven't gotten under there to replace it... Too hot in Phoenix. The speedo is the latest gauge to get new white paint inside though. In my gauges, the original paint inside was kinda minimal besides being discolored. I generally covered the entire inside or as much as I could do with flat white. Flat also seems to make the light disperse a bit more. Repainting seems to make the biggest difference.
  8. While you have those gauges apart you should pull the guts and repaint the insides of the cans a nice bright flat white. No matter what bulbs you choose, that will always help. Personally I don't like the harshness of the LED replacement "bulbs" that I have seen - I'm very old school that way. But repainting the inside of my gauges made a huge change in the brightness even using stock 3.4 watt bulbs.
  9. Are your mounting tabs behind the faceplate out of alignment? The "lever panel" in the 260/280 is fixed fairly stoutly left-to-right (though it moves up and down). The finisher shouldn't press up tight to the HVAC panel - there should always be a small gap there. Mine fits fine(ish) and I've never had any interference with any of the switches or levers. After going out to take this picture (of my dirty vents) I'm struggling to understand why moving the finisher would cause your fan switch position to move... Are your lower levers resting (scraping) on the finisher? Mine is off-center too - maybe not as much as yours. Wow, I need to clean...
  10. Ya, sounds like A/C condensate...
  11. Yup. I've been lucky with most of the spindle pins I've had to remove but I've had three or four that had to be cut and the remnants pressed out. There's one thing I've noticed about many of the spindles I've extracted: The metal is relatively soft and is "mushroomed" at the edge(s) of the Lock Bolt chamfer easily by improper installation of the Lock Bolt. I've pulled quite a few that were not locked due to corrosion but were difficult to move because of the "swelling" near the Lock Bolt. I've generally found that if I can rotate the spindle, I can usually knock it out with a drift - even if it's mushroomed. Always put your Lock Bolts in correctly and torque them properly to avoid this type of damage to the middle of the spindle.
  12. Ding ding ding. I've driven a 300WHP 240Z without chassis modification. (RB swap) It was stoooopid fast - scary fast. Not that you can't drive it that way BUT it twisted the hell out of the chassis. Popped a bunch of the spot welds in the rear - creaked like a Spanish Galleon. The owner had to find another frame to put the drivetrain in. On the other hand, my sons '76 280Z (L28ET) makes 230WHP and 280 ft/lbs of torque, runs nice, is FAST, and doesn't tear the hell out of the frame... If you're going to put HP in a 240Z, LOOK TO THE FRAME.
  13. Yup, that's it. Now you just need a small duct to run to the vent outlet under the steering wheel!
  14. Ever drive to Phoenix? I have a roof skin down here. (and rturbo is exactly correct - you need to de-skin the sunroof. The pillars are multiple pieces of folded metal. The skin has lots of spot welds but not nearly as bad a job as I first imagined. Plus,` body lead at the four corners - melt it out and wipe it off. We've done a couple here at the shop.)
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