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83 320is GRM Challenge/XP build

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    #76
    Originally posted by captain awesome View Post
    Yep! I want to put the SSSquid chip in the car now, but can't remember what octane I filled the car up with the day I bought it. I have about a 1/2 tank of fuel to go through before I can put some 91 in to be sure. I think the one you sent me was 93, so hoping it doesn't have issues with lower octane fuel. I run a MarkD chip in the 318is rated for 92 but can only find 91 here. No issues with that, but obviously 93 is a bit of a jump.
    Buy some octane boost? I've never used it, but I've heard it works. That chip is also for 19# injectors. I'm using the Bosch 4 pintle mustang injectors (0280150556), which also work well with the stock chip.

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      #77
      Originally posted by mike.bmw View Post
      Buy some octane boost? I've never used it, but I've heard it works. That chip is also for 19# injectors. I'm using the Bosch 4 pintle mustang injectors (0280150556), which also work well with the stock chip.

      I'm pretty sure both the 4 pintle and stock injectors are 19# last I checked with the same bar rating around 3? It's been a few weeks since I last looked it up though.
      Last edited by captain awesome; 03-28-2019, 07:47 AM.

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        #78
        Thursday after work I took the car around the neighborhood, this time in daylight. No tag, seat belt, hood, bumpers, etc.
        The exhaust is now at the top of the priority list. It's too loud to drive anywhere, and certainly difficult to hear any possible issues like tire spin.... With that said, I think the car is running decent. It's responding to throttle well, the clutch stop needs installed as I'm used to the position on the e30. The tires that are on the car aren't exactly sporting right now, and the wiring is just kinda dangling around. I'm driving a half finished car basically. Time to start sealing the firewall stuff, a hood, bumpers, trim, and again the exhaust.

        Look, proof it saw daylight!

        Untitled by hatchethairy, on Flickr

        Fast forward to last night....

        After my first few times starting the car, the temp gauge would stay fairly steady when running, but just turning the key it would peg out. After running the car for a bit, the oil light would SLOWLY start to light up. I knew something was funky, because oil is getting to where it needs to, and it wouldn't light up until it was warm. Paranoia started to set in that I've got some bearing issues or oil pump problems. The way it lit up really bugged me though, so I checked how I clipped the harness on my 318is with this one and sure enough I had oil swapped with coolant. That makes sense, and best of all was a simple fix.

        Before starting a victory dance, I let the car idle for a while to build up temp and see how the gauges reacted. Temp gauge is now doing it's thing, and the oil light hasn't come on at all other than when it's just the key flipped over. Unfortunately while idling the car started to run rough and didn't what to idle any more. After unclipping ICV, the idle started to go back to normal. A minute or two later though it started revving up and dropping, until it finally shut off. Weird. I turn the key over, and the battery barely turns the starter. It's drained. Either I've jacked up the alternator wiring or the alternator isn't alternating. I wouldn't be surprised if it's the alternator as it wasn't looking too purty before I cleaned it up. I was really hoping to get the car hot enough to trigger the electric fan, but didn't quite make it to that point. These little details are the main reason I have chosen to just take my time and work through the bugs. If I tried to drive the car straight to the next event Sunday, I would have been screwed.

        My louvered glass pack and small tube turbo muffler should be here Thursday, so hopefully I can get those welded in quickly to help save my ears.

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          #79
          I had to clean up the garage this afternoon, and managed to spend a few minutes putting the front bumper and grill stuff back on. I need to epoxy a couple brackets for extra bracing, but nothing too serious. The rear bumper stuff looks like a couple L brackets, and the sooner they are bolted in place, the sooner I'll stop trying to vomit looking at that funky e21 butt.

          Untitled by hatchethairy, on Flickr

          Untitled by hatchethairy, on Flickr

          Untitled by hatchethairy, on Flickr

          Untitled by hatchethairy, on Flickr

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