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2jz Miata build thread

Old 11-01-2010, 09:33 AM
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My computer won't let me watch the video right now but congrats on getting it running. You ever figure out why it wasn't running?
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Old 11-01-2010, 11:20 AM
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It came down to two wires in one of the body plugs that I did not know about. One needed ignition switch signal and one needed ground other than that I had it all hooked up before.

I do have a question for anyone who can help. I need a good source for keyed signal and I tried using I believe Pin 1B and it will not carry enough amperage for what I need so what does everyone have there MS or whatever hooked to are you using this wire to run a relay or am I missing a wire somewhere. Anything would help I really do not what to run this to a switch I want it to start just like any other car I mean I go the clutch switch still working why not just use the key for everything.
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Old 11-01-2010, 08:44 PM
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i think its time we wash your car now that everything is done
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Old 11-01-2010, 08:50 PM
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Yea I would say so and so everyone know the newb that just posted that pic is the one that did the wiring on the car without his help it would of never ran. He is kinda a supra SC300 guy though.
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Old 11-01-2010, 10:05 PM
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Originally Posted by Sean
Yea I would say so and so everyone know the newb that just posted that pic is the one that did the wiring on the car without his help it would of never ran. He is kinda a supra SC300 guy though.
Bring him to the dyno day! And your LS mustang buddy! We need some high hp action!
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Old 11-02-2010, 10:22 AM
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Ill see if I can get him out there with his sc 300 the one mustang just got totaled and the motor is going in a s10 now and I will see if we can get the new turbo on the other one before then.
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Old 11-02-2010, 10:52 AM
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Still can't watch the videos for some reason. My comp has fail aids or something I guees. I can't wait to turbo my SC then find a 2j to drop in my miata too
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Old 11-02-2010, 11:51 AM
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So what was the issue with the wiring??
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Old 11-02-2010, 12:24 PM
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Well I had most of it wired but to make it safe we unhooked everything and started fresh and come to find out there is a little orange connector on the harness that is a body plug and there were two little wires in there one was keyed power and one was a ground after those two got hooked up it was all good to go.

To top it off we got it running with the ecu sitting on the windshield and then labeled and transferred everything under the dash. After doing that it would not run for the life of me and come to find out about half the strands on the wire going to the coil had broke due to to much probing with the multimeter and I wiggled the wire and it was good to go. We soldiered a new connector on and now its great. You can get in push the clutch down and turn the key and bam it starts right up what a wonderful sound after all this time.
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Old 11-02-2010, 12:25 PM
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Also now that we have it figured out with a completely stock 2JZ harness and stock computer you only have to hook up about 10 wires a few grounds a few constant power and a few keyed power and you could put this motor in anything.
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Old 11-02-2010, 05:26 PM
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This keeps sounding better and better for my 93 chassis sitting in the back yard
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Old 11-02-2010, 10:15 PM
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Wow this is awesome! I hope I get to see it on the streets soon! If your in frederick I guess were pretty close. Where are you doing the work at? I'm sure its mentioned somewhere in here.. so sorry if it is. I'm right outside of mount airy btw.
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Old 11-02-2010, 10:22 PM
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Mad props!

In for first drive impressions once it's well sorted out.

BTW...your cat is friggin' fat. I bet it has a spot in the middle of it's back it can't groom.
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Old 11-03-2010, 12:06 AM
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I hope to have driving vids in the next few weeks Ill post them when we do and we are going to try and use a real camera next time lol.

jeremiahhh - the car is being built in my buddies garage off pennshop in M. Airy but right now it is in my other buddies garage in Damascus so we could do the wiring. You should come by and see it some time you can be the visual proof that it exists lol. Just let me know if you wanna see it and if you live near Mt. Airy you are bound to see it soon and at a minimum I guarantee you will see the burn out marks on pennshop one day in the not so distant future.
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Old 11-03-2010, 12:07 AM
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gospeed81 - I wish I could claim the cat but its not mine it is my girlfriend's best friend's cat but it is awesome.
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Old 11-03-2010, 09:59 AM
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I would love to come see it sometime. I told my friends and they wanna see it too lol. I live in woodbine.
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Old 11-03-2010, 12:33 PM
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johnmatt - We did some measuring last night just to see and if you measure a 1JZ engine compared to my 2j the higest part of the 1j is about 3-4 inches lower than mine so it would almost fit under the hood. Matter of fact is if you shimmed the k frame it would deff fit under the hood just keep that in mind. Also everything for a 1jz is more expensive unless you use a 1j block with a 2j head then it would save you a good bit of money.
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Old 11-03-2010, 12:35 PM
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jeremiahhh - anytime you wanna see it let me know its in damascus right now and I will be down there later tonight but it should be in mt airy again in the next few weeks witch would be better if you wanna see it. I'll let you know when it is back up that way.
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Old 11-03-2010, 02:21 PM
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The 1jz itself shouldn't be as tall from what I understand because of the shorter stroke. Do you have any plans to put a front facing intake on it to regain hood clearance? I've been doing some searching for a cheap one for the SC and found this on supraforums http://www.supraforums.com/forum/sho...d.php?t=575212 It's an ebay manifold made by PNT and from what I've read it's of good built quality. The guys have said they offered $500 to the seller and he accepted which led to about $660 shipped and it uses a Nissan Q45 throttle body
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Old 11-03-2010, 02:34 PM
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that is the same intake manifold Slow_Sc3 is running and it looks awesome and works great and would gain me a ton of hood space but to be honest I really like the way it looks with the motor hanging out of the hood I am going to keep it this way at least as long as I can see into the future that may change if I blow it up and switch to a 1j at some point.
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