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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 09-13-2007, 02:12 AM   #1
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got almost enough for my turbo setup. got the manifold, 13g turbo with wastegate, cartech FMU, and a BOV. just a few more things to go just wanted to share my excitment
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Old 09-13-2007, 03:50 AM   #2
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and i have a question to clear up about my fmu. (old cast cartech) i adjust it like this

https://www.miataturbo.net/forums/sh...6&postcount=10

then just keep turning out the small bleeder value out till i get apx 11-11.5:1 afr on my wideband, right?
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Old 09-13-2007, 09:19 AM   #3
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yep. basically. but i'd shoot for 12.5:1-12.0:1 AFR, dipping into the 11s does nothign but waste fuel.
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Old 09-13-2007, 02:17 PM   #4
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sounds good. just need to pick up an intercooler and a few pther little things now
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Old 09-13-2007, 05:55 PM   #5
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IC piping, couplers, clamps, hoses, and fittings will run you another $350 or so... keep that in mind.
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Old 09-13-2007, 06:10 PM   #6
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Quote:
Originally Posted by Arkmage View Post
IC piping, couplers, clamps, hoses, and fittings will run you another $350 or so... keep that in mind.
Unless you go ghetto like me...$90
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Old 09-13-2007, 06:38 PM   #7
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Quote:
Originally Posted by Atlanta93LE View Post
Unless you go ghetto like me...$90
details? just the aluminized bends are gunna run me $90. I'd like to know how you got it that low. I'm game for ghetto as long as it's temporary.
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Old 09-13-2007, 06:53 PM   #8
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Quote:
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details? just the aluminized bends are gunna run me $90. I'd like to know how you got it that low. I'm game for ghetto as long as it's temporary.
It's an over-the-rad setup using an Audi S4 intercooler I nabbed off ebay for $15 shipped. Picked up some 2" 90 truck radiator hose bends ($20), a cheap $1 exhaust transition, another smaller radiator hose (free, had it laying around) to attach to the turbo inlet j-pipe, some worm clamps, a couple transitions and an aluminum 2.5" U-pipe for $35 shipped from cxracing, and some bar stock for mounting.

It works, and I haven't blown a hose off, torn a hole, melted anything, etc. (knock on wood). Someday I'll go back and do something better, but it got me running.
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Old 09-13-2007, 07:01 PM   #9
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sweet. doesn't sounds very ghetto at all actually. with the exception of the worm clamps.
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Old 09-13-2007, 07:42 PM   #10
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Quote:
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Unless you go ghetto like me...$90
+1, i will try to have less than $500 on my whole turbo setup
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Old 09-13-2007, 08:23 PM   #11
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Quote:
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+1, i will try to have less than $500 on my whole turbo setup
You own a taurus so your opinion doesn't matter.











we own one too :(
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Old 09-13-2007, 10:04 PM   #12
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Bryan! Didn't know you were planning to turbo the miata, lemme know when you're going to start on it. I'll come throw some wrenches with ya.

TJ
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Old 09-13-2007, 10:25 PM   #13
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Bryan! Didn't know you were planning to turbo the miata, lemme know when you're going to start on it. I'll come throw some wrenches with ya.

TJ
whats up tj. if i can find a intercooler, i will start this weekend.
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Old 09-17-2007, 03:23 AM   #14
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ok guys. my DSM turbo is of course water cooled. had some DSM owners tell me i dont have to run the water lines? any ill affects from doing this?
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Old 09-17-2007, 03:38 AM   #15
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Higher oil temps and more prone to coking. Water lines are easy on the Miata. Use the small hose off the t-stat housing. Direction doesn't matter.
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Old 09-17-2007, 04:01 AM   #16
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Quote:
Originally Posted by Atlanta93LE View Post
It's an over-the-rad setup using an Audi S4 intercooler I nabbed off ebay for $15 shipped. Picked up some 2" 90 truck radiator hose bends ($20), a cheap $1 exhaust transition, another smaller radiator hose (free, had it laying around) to attach to the turbo inlet j-pipe, some worm clamps, a couple transitions and an aluminum 2.5" U-pipe for $35 shipped from cxracing, and some bar stock for mounting.

It works, and I haven't blown a hose off, torn a hole, melted anything, etc. (knock on wood). Someday I'll go back and do something better, but it got me running.
I have been using a rubber coupler (designed for water plumbing) between the TB and IC pipe for months now, I have an extra in case I have any problems but it shows no signs of deterioration at all. I would expect radiator hose to work just as well if not better.
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Old 09-22-2007, 08:34 PM   #17
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just order some 310cc and picking up a 1st gen probe intercooler. still need to do basically all of the fab work. it has been raining all week, so havent been able to get basically anything done. i have noticed the down pipe looks like its going to suck, there just really isnt much room to work with. i put a 2.5 inch 90 up to the outlet and it was hitting everything, so its going to take a decent bit of cutting and welding
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