DIY Turbo Discussion greddy on a 1.8? homebrew kit?

Here's the MX-3 I traded the Civic for.

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Old 12-08-2007, 12:55 AM
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probably the rx-8 from his sig
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Old 12-08-2007, 01:09 AM
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Oh yeh that's right. -doh-
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Old 12-08-2007, 01:46 AM
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could be the miata
yeah didn't know the rotary was THAT much worse than the ottocycle
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Old 12-08-2007, 03:41 AM
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needs more KL swap
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Old 12-08-2007, 08:15 AM
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Originally Posted by lazzer408
Whut?


Yeh it is. I forgot how small they are. That's the same turbo I used on my first diy Miata setup. But it spools quick.


I believe it is. I don't think the 1.6L in here is the same as the Miata and GTX 1.6L. It's some B6 variant (B6F?). Alot of it is the same but the block casting is different -I think-. The oil pan is 2 pieces. It has an aluminum skirt. Also this engine had 212cc injectors in it. What did the B6 Miata have 190s?

The charge pipe isn't hitting the battery. That's all temporary anyways. I needed it to drive the car. =)
B6T all 7.8:1 compression and 132 factory HP.

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Old 12-08-2007, 09:52 AM
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Originally Posted by bryantaylor
needs more KL swap
mmm........KLZE mx3. It would be a drop-in-and-go affair if he had a GS model. Wouldn't be practical at all on a 4-banger though.
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Old 12-08-2007, 02:41 PM
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Originally Posted by supersaiyan93
mmm........KLZE mx3. It would be a drop-in-and-go affair if he had a GS model. Wouldn't be practical at all on a 4-banger though.
nothing but motormounts and crossmembers, how long were you a mod on the mx6 board again? get to studying trent! i still want to put my KL in a mx3 and run a bigger turbo this time
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Old 12-08-2007, 03:30 PM
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Hey lazzer408

Are you running the probe 280cc injectors on the stock MX3 1.6 dohc ECU with no fuel management device like S-AFC or Emanage? How is the idle, acceleration and fuel economy with this setup? I wonder what you A/F are like also considering the stock injectors are like 205/210cc.

Last edited by mazdaaz3; 12-08-2007 at 10:01 PM.
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Old 12-08-2007, 09:52 PM
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wait.. lazzer's back?

that's a pleasant surprise.
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Old 12-08-2007, 10:01 PM
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What no COP's yet?
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Old 12-09-2007, 05:29 AM
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You made quick progress on the Nissan.
Looking good.
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Old 12-09-2007, 11:23 AM
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Originally Posted by mazdaaz3
Hey lazzer408

Are you running the probe 280cc injectors on the stock MX3 1.6 dohc ECU with no fuel management device like S-AFC or Emanage? How is the idle, acceleration and fuel economy with this setup? I wonder what you A/F are like also considering the stock injectors are like 205/210cc.
The idle is smooth, gas miliage is good. The only thing it seems to be effecting is warm-up (open loop?). It runs a bit rich but once it's warmed up it's ok.


Originally Posted by paul
What no COP's yet?
This is a distributor ignition system and it's not easy to do cop without an aftermarket ecu.


I thought about a V6 swap on the 3 but I don't want to distract myself from the Miata. What I'd like to plan on is using the old Miata engine in the 3 if I can. Anything over 250hp in a front wheel drive car is sort of useless imo but if I happen to get my hands on a awd Protege it's on to make the 3 awd.
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Old 12-09-2007, 11:25 AM
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Originally Posted by lazzer408
This is a distributor ignition system and it's not easy to do cop without an aftermarket ecu.
It's been done on a Protoge.
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Old 12-09-2007, 11:31 AM
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Originally Posted by Ben
It's been done on a Protoge.
Where did they get 2 ignition drives?
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Old 12-09-2007, 11:32 AM
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Originally Posted by bryantaylor
nothing but motormounts and crossmembers, how long were you a mod on the mx6 board again? get to studying trent! i still want to put my KL in a mx3 and run a bigger turbo this time
bullllllllllshit. The cooling system is different. The wiring harness is completely different. You will need different cv shafts.

It's similar to trying to put a KLZE in a 4-banger Mx6. It can be done, but only really if you have a parts car you can steal every single part from.

I didn't say it COULDN'T be done, just that it's MUCH HARDER.
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Old 12-09-2007, 11:41 AM
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I was thinking... I bet I could just stick a Miata ecu in here and wire up the cas from it. Everything else should be close. I'm sure the ve of the engine is different so the factory maps might be a little off but it can't be that bad. Probably have to re-pin the connectors but thats no biggie. Too bad I sold off my old 1.8 ecu or I'd try it.
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Old 12-09-2007, 12:08 PM
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Originally Posted by lazzer408
Where did they get 2 ignition drives?
apparently there is a CAS under the distributor
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Old 12-09-2007, 01:18 PM
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But only one coil so where do you get 2 pulses for a wasted spark setup?
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Old 12-09-2007, 01:41 PM
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nice mx3. that BG is a capable platform.

if you need shocks, look into ford racing shocks from the ZX2 s/r. you have to enlarge the hole in the strut top mounts, but i believe you can get these shocks for ~@$200. they are revalved tockicos. tie in the lower subframe at the front. also, check to see if both of your rear trailing links are adjustable. if only one, go grab the adjustable one of the junker you found. it will give you more adjustability for alignments.
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Old 12-09-2007, 01:50 PM
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Originally Posted by Ben
apparently there is a CAS under the distributor
Yep.
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