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Old 04-15-2010, 02:54 PM   #1
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Default My DIY Turbo kit shopping list: Am I missing anything?

Im about to turbo my '90. I've got about 140k on it so im going with a small turbo to be as nice as possible to its aging piston rods. Im not going with a standalone or PnP just yet due to my limited budget so I just want to make sure that everything i've got together will work and my car wont blow up

Stuff I've got together already:

DSM T25 Turbo - (Mitsubishi)
Intercooler & Piping - (XSPOWER /SSAUTOCHROME)
Blow off valve - (Go Fast Bits)
Manifold and downpipe - (CX Racing aka ebay)
Exhaust - (Roadstersport)
Oil filter relocation kit - (Ebay)
Oil Cooler - (Earl's)
Head Studs - (ARP)
Cometic Head Gasket - (Flyin Miata)
Dual Feed Fuel Rail - (Flyin Miata)
305cc Fuel Injectors - (Supra 23250-70080)
190 HP Fuel Pump - (Walbro)
O2 Clamp - (Olderguy)

Stuff I still need to buy:

Lines/Fittings
MS PnP (lolz thanks for belittling me into this everyone, haha)
Adjustable Fuel Pressure Regulator

Am I missing anything? I would totally appreciate some feedback, just because I dont want to forget something and have it blow up my car, or something along those lines. Pretty stoked to boost, but at the same time im nervous because i know nothing about FI.

Last edited by Jike Spingleton; 04-15-2010 at 04:29 PM.
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Old 04-15-2010, 02:59 PM   #2
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Quote:
Originally Posted by Jike Spingleton View Post
Im about to turbo my '90. I've got about 140k on it so im going with a small turbo to be as nice as possible to its aging piston rods. Im not going with a standalone or PnP just yet due to my limited budget so I just want to make sure that everything i've got together will work and my car wont blow up

Stuff I've got together already:

DSM T25 Turbo - (Mitsubishi)
Intercooler & Piping - (XSPOWER /SSAUTOCHROME)
Blow off valve - (Go Fast Bits)
Manifold and downpipe - (CX Racing aka ebay)
Exhaust - (Roadstersport)
Oil filter relocation kit - (Ebay)
Oil Cooler - (Earl's)
Head Studs - (ARP)
Cometic Head Gasket - (Flyin Miata)
Dual Feed Fuel Rail - (Flyin Miata)
305cc Fuel Injectors - (Supra 23250-70080)
190 HP Fuel Pump - (Walbro)
O2 Clamp - (Olderguy)

Stuff I still need to buy:

Lines/Fittings
Adjustable Fuel Pressure Regulator

Am I missing anything? I would totally appreciate some feedback, just because I dont want to forget something and have it blow up my car, or something along those lines. Pretty stoked to boost, but at the same time im nervous because i know nothing about FI.
If you already bought any of this stuff, sell it or dont buy it and get a megasquirt. In this day and age I dont know why anyone would bother with bandaids.

Is it just me or do people eliminate megasquirt from their build plans in the beginning because they are afraid of it? I just cant think of any other good explanation for not getting it.
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Old 04-15-2010, 03:09 PM   #3
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If you already bought any of this stuff, sell it or dont buy it and get a megasquirt. In this day and age I dont know why anyone would bother with bandaids.

Is it just me or do people eliminate megasquirt from their build plans in the beginning because they are afraid of it? I just cant think of any other good explanation for not getting it.
Yeah I think most people are affraid of it (me included). Electronic is more frightening than nuts and bolts. VE table, spark map etc. are chinese for us! I'll get a MS when I'll get a turbo, but I'll be nervous when I'll come to the part of opening Megatune or TunerStudio and play in it.

May I ask why you dismiss the Walbro? I thought it was a great idea to get a new pump and filter to reduce troubleshooting and fail risk if something happens? Plus they are so cheap, why not?
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Old 04-15-2010, 03:13 PM   #4
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Secondary but still important stuff:

Clutch replacement (especially if it's your original with 140k on it)
Rear end (not as critical, some guys run for ages on their 1.6 rear ends, but some don't last long under the additional stress)
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Old 04-15-2010, 03:14 PM   #5
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May I ask why you dismiss the Walbro? I thought it was a great idea to get a new pump and filter to reduce troubleshooting and fail risk if something happens? Plus they are so cheap, why not?
He dismissed the walbro because with a megasquirt at low boost levels, a stock fuel pump is perfectly fine. If you are staying under 200whp and are leaving bandaids out of the equation, its perfectly reasonable to skip the pump as it is just an extra expendature.
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Old 04-15-2010, 03:16 PM   #6
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Is a dual feed rail needed for low boost and 305 injectors? Is about 150 bucks worth of head studs and a cometic needed either? I doubt it for a low boost setup.

I say ditch that stuff and get a Brain-built MS.
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Old 04-15-2010, 03:20 PM   #7
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Originally Posted by Sparetire View Post
Is a dual feed rail needed for low boost and 305 injectors? Is about 150 bucks worth of head studs and a cometic needed either? I doubt it for a low boost setup.

I say ditch that stuff and get a Brain-built MS.
Or a me-built MS, either way
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Old 04-15-2010, 03:23 PM   #8
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Originally Posted by Jeff_Ciesielski View Post
He dismissed the walbro because with a megasquirt at low boost levels, a stock fuel pump is perfectly fine. If you are staying under 200whp and are leaving bandaids out of the equation, its perfectly reasonable to skip the pump as it is just an extra expendature.
Good to know. Thank you.
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Old 04-15-2010, 03:26 PM   #9
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That's quite a bit of cheapness on that list. You might want to try and spend a few extra and get some more quality parts the first time around. If you go too cheap you WILL be revisiting things later.

Things I wouldn't do:
DSM turbo
Ebay manifold/downpipe
Clamps, regulators, and 305's

Get the tacotaco manifold from ebay and a t3/t4 ebay turbo, MS, and some rx7 460's instead.
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Old 04-15-2010, 03:37 PM   #10
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Wow! tons of replies already! thanks

I've had the exhaust already since I got the car. I forgot to include that i have upgraded to an ACT clutch kit as well (installed already).

I skipped on the MS because of financial reasons, and fear, but I guess i failed to do the math (big surprise, i suck at math... a lot) because for a hundred or so extra over my "bandaid" solution i could have gotten that.

I needed a fuel pump, my OEM one is on its way out so i figured i should just upgrade while im at it. I got the bigger injectors/fuel rail because eventually i will probably upgrade to a bigger turbo and also because i read on here about boosted miatas having fuel distribution issues.

I went with the cxracing mani/downpipe because i read some reviews on zilvia and most people who went with it were surprisingly happy about the way theirs performed for them and found it to be a pretty good bang for the buck.
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Old 04-15-2010, 03:40 PM   #11
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Quote:
Originally Posted by Turbo_4 View Post
That's quite a bit of cheapness on that list. You might want to try and spend a few extra and get some more quality parts the first time around. If you go too cheap you WILL be revisiting things later.

Things I wouldn't do:
DSM turbo
Ebay manifold/downpipe
Clamps, regulators, and 305's

Get the tacotaco manifold from ebay and a t3/t4 ebay turbo, MS, and some rx7 460's instead.
No because when his manifold cracks he is going to commission me to build him a new one on the cheap
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Old 04-15-2010, 03:40 PM   #12
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As someone who has wasted a lot of money on different:
turbos
injectors
manifolds
bandaid parts( clamps, regulators)

I can tell you that people are being 110% serious when a MS should be the #1 thing on your list. Don't chance your motor with little 30 and 40 dollar management parts. Get Braineack to make you a DIY MS for around 400 smacks and be done with it.
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Old 04-15-2010, 04:25 PM   #13
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Turbo_4, that makes a lot of sense. I havent bought the afpr yet, maybe i'll just get one of those braineacks if they're cheap like that. I must have been looking in the wrong place for them cuz the cheapest I found an MS for was $700.

Do they need to be tuned? Do I still need the AFPR?

Last edited by Jike Spingleton; 04-15-2010 at 04:46 PM.
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Old 04-15-2010, 04:51 PM   #14
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search

maybe read the FAQ in the diy turbo section
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Old 04-15-2010, 05:02 PM   #15
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search

maybe read the FAQ in the diy turbo section
I did search and read the FAQ, how about you go **** yourself, :**********:.

This is why i dont post on forums. If you're not going to help someone with a question they have... dont post in their thread. If you feel compelled to make a stupid ******* comment, you should just go **** yourself ahead of time and save people like me the time of telling you to do just that.
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Old 04-15-2010, 05:07 PM   #16
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I did search and read the FAQ, how about you go **** yourself, :**********:.

This is why i dont post on forums. If you're not going to help someone with a question they have... dont post in their thread. If you feel compelled to make a stupid ******* comment, you should just go **** yourself ahead of time and save people like me the time of telling you to do just that.
You aren't going to last long here.
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Old 04-15-2010, 05:21 PM   #17
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Originally Posted by Jike Spingleton View Post
Turbo_4, that makes a lot of sense. I havent bought the afpr yet, maybe i'll just get one of those braineacks if they're cheap like that. I must have been looking in the wrong place for them cuz the cheapest I found an MS for was $700.

Do they need to be tuned? Do I still need the AFPR?
@jeff, maybe not. back on topic.
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Old 04-15-2010, 05:34 PM   #18
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Originally Posted by Jike Spingleton View Post
Turbo_4, that makes a lot of sense. I havent bought the afpr yet, maybe i'll just get one of those braineacks if they're cheap like that. I must have been looking in the wrong place for them cuz the cheapest I found an MS for was $700.

Do they need to be tuned? Do I still need the AFPR?

Look through this thread for a minute:
https://www.miataturbo.net/miata-parts-sale-trade-5/1990-2005-ms3x-diypnp-assembly-14598/

After reading through and getting an understanding of how it works, shoot him a pm and he will fill you in on how much it costs and what all he can do for you.

I had very little experience with the MS and was very scarred purchasing one and adding it to my DIY setup but after slowly getting used to it, I'm a lot better off...I'm still learning. For the price, it is well worth it.
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Old 04-15-2010, 05:43 PM   #19
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Quote:
Originally Posted by Jike Spingleton View Post
I did search and read the FAQ, how about you go **** yourself, :**********:.

This is why i dont post on forums. If you're not going to help someone with a question they have... dont post in their thread. If you feel compelled to make a stupid ******* comment, you should just go **** yourself ahead of time and save people like me the time of telling you to do just that.
No, you don't need an afpr, that's why the nice folks up in the top of the thread called it a bandaid and told you not to buy it in favor of the MS.
It was a really stupid question that showed that you really haven't even studied enough to be ready to start buying parts.

He wasn't a dick, but you sure were.

You obviously need us a hell of a lot more than we need you. You should try being gracious when asking for help. Or drown. I could care.

And before you complain about me being a dick, I answered your question and am still here if you have any more. Try to use some decorum in the forum, please.
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Old 04-15-2010, 08:22 PM   #20
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No, you don't need an afpr, that's why the nice folks up in the top of the thread called it a bandaid and told you not to buy it in favor of the MS.
cool, thanks. to the rest of your response, I was being rude because proughj WAS being rude (use of insulting emoticons, is still being rude). The truth of the matter is that I have read about doing this off and on for over a year. It frustrates me that I dont understand a lot about what is actually needed for my particular application. I've received many conflicting opinions on various aspects of doing this.

I'm still deliberating on whether or not i can afford to do an MS right now. I might go with the setup I have above for a few months. Im not looking to have 250hp. All im looking for is a basic turbo setup on a car that I almost never drive aggressively. I was asking whether or not what i have will allow me to turbo my car without blowing it up, and also if i had a complete list of parts needed to assemble it. (a lot of stuff has pre/co-requisite parts that are needed in order to run them, etc). This is my daily driver that I take to and from work everyday.
I did read the DIY FAQs and everything many times but being someone who is not an expert mechanic with little experience with FI (like i said in my OP) I didnt understand a lot of the language/documentation. I was asking questions to clarify things that i misunderstood. Thanks everyone who has responded thus far.

Thanks Turbo_4 for that link. In my research I never came across that thread, it explained a lot... thx.


Can anyone offer a guesstimate on how much lines/fittings run on average? Im trying to see if there is room in my budget for the MS.
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