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Old 05-23-2007, 03:49 AM   #1
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Default WRX TD04H turbo on a 99 miata

Hi i got a stock WRX TD04H turbo from a friend and i want to know if it will fit on my 99 miata?

thanks



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Old 05-23-2007, 03:54 AM   #2
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any turbo can be made to fit - some are easier than others.
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Old 05-23-2007, 03:56 AM   #3
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Quote:
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any turbo can be made to fit - some are easier than others.
So if i want to put the wrx turbo into my 99 . what others parts do i need?
not really into major upgrade . i just want to add a little boost to the car.

do i need new injector. fuel pump. FMC. what else?
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Old 05-23-2007, 04:21 AM   #4
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Quote:
Originally Posted by afk View Post
So if i want to put the wrx turbo into my 99 . what others parts do i need?
not really into major upgrade . i just want to add a little boost to the car.

do i need new injector. fuel pump. FMC. what else?
well mainly, you need more fuel in boost, but there is more than one way to skin a cat, and I am too lazy right now to tell you what all is involved, but it can be summed up as two different methods. The first method (and most crude, but at a lower cost) involves raising the fuel pressure under boost. The second method uses large injectors at stock fuel pressure. The first method is cheaper to implement, but in most applications is much less accurate than the second. The second method requires electronics in order to tune it, but is far more accurate and as an added bonus, the stock fuel pump is up the the job to a certain point at stock fuel pressures (like 275ish hp?)
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Old 05-23-2007, 04:31 AM   #5
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For a '99 it'll be best to do piggyback and bigger injectors because of the returnless fuel system.
I assume you know that you'll need a custom manifold, downpipe, and intercooler piping to fit that turbo.
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Old 05-23-2007, 04:44 AM   #6
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Is it even worth getting a custom flange installed for that turbo?
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Old 05-23-2007, 07:59 AM   #7
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I'll bet the OP doesn't realize he needs a manifold to add a turbo. Doesn't sound like it.

Jobambo,
It's worth it if you already have the turbo cheap and are doing a JGS manifold or building a DIY manifold. WRX turbos are cheap. STI turbos aren't that expensive either. Around $400 and 16Gish in size.

Frank
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Old 05-23-2007, 08:02 AM   #8
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Quote:
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Is it even worth getting a custom flange installed for that turbo?
I've driven both a 1.6, and a 1.8 with a stock wrx turbo.... it works great with the miata motor. Spools nice, and then seems to pull nicely to redline. Lowish boost though, probably around 8psi. But you can then do the "scooby" upgrades... so go to a VF-34, or one of the STi turbos. Lots of choice.

Dave,
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Old 05-23-2007, 11:42 PM   #9
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okie So if i want to boost it around 6 psi. What are the parts do i need?
can someone make a list for me?

" sorry im really noob to turbo stuffs ". this is the first car i decided to add on turbo
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Old 05-23-2007, 11:45 PM   #10
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Old 05-24-2007, 02:44 AM   #11
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turbo, manifold, downpipe, charge pipe (can usually use stock x-over pipe if not using intercooler kit) piggy back ECU, injectors, water lines, oil lines, heat protective material, bov, boost gauge, possibly fuel pump, any other guages and mounting devices you might see fit, clutch. I could get into the nit-picky things like hardware, clamps, silicone couplers, etc, but I won't right now, this'll give you a good enough basic idea. but don't ignore that stuff when considering a turbo build, that hardware/small stuff can up the price anywhere from $50-$200.

getting the turbo was a decent start, but its only about $300 of around the$1000-2000 you'd have to spend on the whole system.
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Old 05-24-2007, 04:18 AM   #12
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damn alll those parts gonna take a while for me to get it lol.
im wondering what i can do with $1500 i have on hand and the turbo above lol
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Old 05-24-2007, 05:21 AM   #13
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Quote:
Originally Posted by jobambo View Post
Is it even worth getting a custom flange installed for that turbo?
where can i get the custom flange anyway?
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Old 05-24-2007, 10:10 AM   #14
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The guy who's car I was driving, made a custom flange to match the turbo, then picked up one of the ETD manifolds with that flange welded on.... Seems to be holding up OK when it was installed on the 1.6, or the 1.8.....

Dave,
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Old 05-24-2007, 10:22 AM   #15
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Something similar to this can be purchased from JGStools.com:







http://www.jgstools.com/turbo/thk.html

------------

A dp like this will have to be custom built:



-------------

see the rest of his build here: http://www.cardomain.com/ride/264041/6
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Old 05-24-2007, 12:46 PM   #16
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if you have to ask how to make the turbo fit I suggest reading some FAQ's and looking at a kit. Or talking to someone that has a turbo before trying to turbo your car
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Old 05-24-2007, 02:09 PM   #17
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i like taht exhaust manifold
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Old 05-24-2007, 02:11 PM   #18
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Quote:
Originally Posted by Braineack View Post
Something similar to this can be purchased from JGStools.com:







http://www.jgstools.com/turbo/thk.html

------------

A dp like this will have to be custom built:



-------------

see the rest of his build here: http://www.cardomain.com/ride/264041/6
thanks this help a lot...
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Old 05-24-2007, 02:14 PM   #19
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begi also has manifolds
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