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Just another LS1 miata build

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Old 12-18-2011, 10:31 PM
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On mine, the PCM and associated wiring are going bye-bye. It looks like we'll be able to tie the new PCM into the various existing Miata relays (a/c,fuel pump,main relay, etc..) with fairly minimal difficulty.....just going to be time-consuming more than anything else.

In my scrounging around for parts, I've noticed that there is a fairly substantial difference between the Na's and NB's with regards to wiring and routing. You might not be as lucky as I was. Best thing to do is get as many wiring schematics as you can for your car, and go from there.

I know...not much help....but that's what I would do.
Old 12-19-2011, 08:51 PM
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Got some Fab work started
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Still got some work to do
Old 12-27-2011, 10:00 PM
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Okay so im working on my oil pan clearance right now but I was wondering what the best header choice would be, any suggestions?
Old 12-28-2011, 12:37 AM
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Not the best quality, but are pretty-much the only "bolt in" solution currently:

http://www.sandersonheaders.com/Sand...eader-Set.html

They were made for those using the V8Roadsters kit.
Old 12-28-2011, 08:10 PM
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Thanks! If i dont have my friend make me a set ill go with those
Old 12-29-2011, 10:05 AM
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Originally Posted by salemetro
Not the best quality, but are pretty-much the only "bolt in" solution currently:

http://www.sandersonheaders.com/Sand...eader-Set.html

They were made for those using the V8Roadsters kit.
Price apparently went up. I think I paid $250 when I got them. They must be charging for the modification to have them NOT hit the steering column.
Old 12-29-2011, 10:31 AM
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Originally Posted by fmowry
Price apparently went up. I think I paid $250 when I got them. They must be charging for the modification to have them NOT hit the steering column.
Yeah, they used to be quite a bit cheaper. I'm sure its just a case of "we're the only ones that make it, so give us $$$". Maybe someday, another ompany will put out a set of real quality that will justify the price. Hell, I would have paid a couple of hundred MORE to get a set that was tigged and fit better.
Old 12-29-2011, 12:34 PM
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Thanks for the update pics...happy holidays to all.

Also, is your LSx Miata going to have ***** this big???

Saw this out on the web...

Old 12-29-2011, 04:32 PM
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***** that big or an *** that big lol
Old 01-02-2012, 10:27 PM
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Workin on test fitting still have some metal work that needs beating!
Old 01-04-2012, 08:53 PM
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The eagle has landed, now its time to make my welds and paint.
Old 01-08-2012, 09:18 PM
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This weekend I did my last test fit before i welded all my cuts up, I decided to put it all in in one shot by lowering the car on it, i learned my subframe wasnt quite welded straight, the bend made the frame not want to go on so I had to mod it.
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Looks massive when the trans is bolted on
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The tires are there because my oil pan is currently off
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Sketchy
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Frame rails
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After doing some welding I sealed all my welds, and primed them with rust primer, as i found more rust than i wished for
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Steel i cut to cover up large gaps
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Next Ill short stand bondo it all, do some undercoating, then run fuel lines
Old 01-09-2012, 03:10 PM
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those grey rails give me an idea for my honda.
Old 01-15-2012, 10:18 PM
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Got my Bondo all Done and sanded (Not pictured) also undercoated the whole car will have more pics soon
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Took Out the rear subframe getting ready to mock up a diff bracket
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Also ran my fuel lines to the filter i will be getting tomorrow, and installed my 255 fuel pump.
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Old 01-15-2012, 10:42 PM
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How long do you expect screw type hose clamps to hold? I would get High pressures clamps or get a ferrule and nut and the propper fitting to make it an AN fitting?
Old 01-16-2012, 06:28 PM
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Well the proper way would be to put an fittings, although they are double clamped those should get me by, but sumit had the ones i needed on back order
Old 01-16-2012, 06:40 PM
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Hit up earls factory store the guy there is a grumpy *** hole but summit didnt have the ferrule an fitting i needed but earls did and it shipped from cali to nebraska in 2 days.
Old 01-26-2012, 12:57 PM
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The last guy I told to run fuel injection clamps didn't listen. He now has a pile of burnt car from it. Spend the 6 bux at any auto parts store for FI clamps.

Did you contact Shandelle about the subframe being off?

Flying Miata has a bolt in exhaust for a decent price, but they refused to engineer the dent out of the header for some reason. If you run the sanderson header, call Jason at Enthuzacar for the rest of the exhaust. You can thank me later. His work is top notch and the customer service matches it.
Old 01-26-2012, 01:55 PM
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Originally Posted by chpmnsws6
If you run the sanderson header, call Jason at Enthuzacar for the rest of the exhaust.
I will add to this that even though Sanderson supposedly took care of the "dented tube issue", it's not neccessarily true. I bought a pair from them, and decided to have them coated locally BEFORE checking fitment. Big mistake. We didn't realize it until the day the car was being completed, and had to dent the tube to fit. Kind of a pisser, cuz they were SUPPOSED to be a direct fit with no mods required.

Lesson learned: Check fitment....don't assume that they'll fit.
Old 01-26-2012, 02:05 PM
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Originally Posted by KJT11
Also ran my fuel lines to the filter i will be getting tomorrow, and installed my 255 fuel pump.
Nice routing, but I'd HIGHLY recommend using crimped hose ends with adapters to the fuel line fittings that come off the pump housing. High pressure lines with fuel using hose clamps is kinda scary, IMHO.

Other than that, your build is looking really good!


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