Turbo NB roll call! (and poll for all turbo miatas)
 

I'm y8s and I have a turbo miata that's not an NA. And yes, I"m aware of the "what's your setup" thread but this is to weed out the NB-ers.

2001 base model
stock bottom end

This is an older iteration with water/air, tec3, and different piping (blue!).

Now the car has actually no turbo for a little while while I do some maintenance. It has a hydra now and i'm swapping the air/water for a front mount. Might hook up the water injection finally also. Oh and I ditched any sort of piping pre-turbo and just stuck a 4" flanged dry-flow filter on the turbo inlet.


http://www.y8s.com/albums/turbo/DSC00746.sized.jpg


Matt

Ok, I'm the other guy with an NB. :bigtu:
It's a '99 LS, built engine and turbocharged.

99 10AE turbo, stock engine and such 175rwhp at 6psi with no IC yet

NB non turbo :gay:

:gtfo:

lol

haha too many smileys.

ok we have 4, where's the 5th??

See, I told you guys theres only about 5 of us on here

That other guy that wanted an NB forum.:bowrofl:

Hey i'm here too, no need to point and laugh. I had no idea there was only like 5 of us. heck

Check signature.

I rock the soft rods for life

or until I break one

And really, are they that bad?

I have pauters. I hear the stock rods are the first thing to go on the motor even in Nat. Asp applications. Guess they're good up to ~275 hp but they there is the possibility for them to fail, the built motor just keeps you happy and I'm pretty sure the pauters are lighter than OEM for less rotating mass.

oh no doubt I'd love stronger rods and pistons, its just that I've always heard the stock rods were the weak part yet you see some people making great numbers and reliability with them still. Makes me wonder if they really are all that bad in the first place.

the are suppose to be the same as the early motors but many people seem to doubt that.

Also when the NB first came out not to many people were using ecus that did more than piggybacking with fuel. That probably played a importing part too in the 'theory" of weak NB rods

yeah thats what I have a feeling about since "theory" and "rumour" spread like wildfire on miata.net....

Nah, take a look.:eek4: :ugh2:

http://www.cardomain.com/ride/138017/7

I agree, sounds about right. I wouldn't have the built motor if I hadn't bought the car that way. So i guess i can say i have a 1.9 now seeing how he used the larger size Wisecos and bored it to fit with moly rings.... Think that also means i'm good for 20 psi. That's a wet dream of death right there.

so tell me what happened.

Short story, M62 supercharger at 12-13 psi plus 75hp shot nitrous. :eek:

well I bet it was fun while it lasted :bowdown: :eek4:

jeez that should have been somewhere around 280-310 rwhp, no wonder they let loose. But how long did they last that way?

Man that is awesome. Makes me cringe though, my roommates timing belt broke on his 944 and he bent 4 valves. One was bent at atleast 45 degrees off center. Thank god for the non interference miata heads.

Took a good amount of 50hp shots, but didn't take that many 75hp shots. :confused:

Even the built engine threw a valve with the same blower setup and a 125hp shot. Didn't like it. :noes: :dunno:

:vash: Thead Hijack: It was the only way to keep it going with all these NB's.:gay:

damn dude you've done it all! lol

Yeah, that's why the N20 is installed, but disconnected.:rofl: :nxsmile:

ecu? dont tell me the SAFC is the only thing you have

I'm just crossing my fingers that one more NB shows up on the poll.

No, the HKS-SAFR, JR-BTC, intercooled and water/alky injection. The N20 was/is a wet kit, so an aftermarket ecu wouldn't have saved me.
At least in the case of the rods, I don't think it was just the power, but the way it hits. The N20 hits pretty hard. :eek:

I bet that rod might have lasted, or lasted longer with a proper ECU.

It looks like I'll be rockin' some SCAT rods, with this turbo. This is on my 99, which has seen 250 RWHP on the stock rods, and I've seen 280-300 RWHP on stock '99 rods.

Looks like its a fairly big turbo, should flow about 45 Lbs/min at most. (roughly 400 WHP)

Mark

What brand of turbo is that? Looks like the "Turbocharger" made in bangkok kind i see on ebay. Huge and clean though, should be badass, long as it doesn't explode at 4 psi.

well there you have it, we've now got at least 5 NB owners and about 1200 NA owners

I don't see the correlation. I don't see what an aftermaket ecu could do to save the rods if my fueling and timing were fine to begin with.

If you care to explain, I'm willing to listen.:)


I see MarkP joined in with examples of what he's seen, which I don't doubt at all, except my setup plus the N20 was more hp than that. He might provide some explanation.
Like I said, the N20 hits pretty hard.:eek:

So you think we can get an NB sub forum, now.:gay:

Why not, this will be the first thread. We'll put a DIY in there on how to buff out your clear headlight lenses to take them from fog to clear as new.
j/k

Here it is:

How to buff out your clear headlight lenses to take them from fog to clear as new:

1) Wet sand 2000 grit. Done.:bigtu:

lol, I just used some rubbing compound, worked perfect. Only reason i said that was because the NA obvioiusly don't have any plastic lenses to buff..

Man that makes me want some of those awesome MSM headlights, they look too great.

It is a chinese import T3/T4, I think the statements that these turbo's blow up at 4 PSI is a bunch of bullshit, especially after examining this particular turbo. (e.g. The housing is not epoxied together, the wheels look perfect, clearances and play are dead on.)

For $200 delivered to my door, I am going to experiment. I am willing to bet that it does not fall apart and more to the point that it will make adequate power. The only concern I have is the center section and it is copied so exactly that it retains the subtle casting marks that are in the Garrett castings.

While certainly not of the highest quality, it is of adequate quality, although I can note where several shortcuts have taken place. None of which would affect the ability of this thing to hold together. To quote Corky Bell, "Building turbochargers ain't exactly rocket science, and these look like surprisingly good copies of the garrett." Still the jury will be out until I start running some boost through the sucker and seeing if it really does hold together.

Mark

I wasn't ragging on you about the turbo, though it looked similar to what I had seen. There was some thread that showed the poor fitment and whatnot of coolant flanges and the downpipe flange as well. I'm actually looking forward to seeing what you find out about these chinese copies because they're so cheap the might as well be expendable. Goodluck

The rest of us can't afford one of those fancy NBs. We have to turbo our near-antique NAs. :gay:

damn, didn't expect this thread to get more than a few hits since it's about the rare turbo nb.

back to rods... I dont know if it's so much that they're weaker or just the higher compression hurts. I'm babying my car until I have a real solution or spare bottom end. Most likely I'll save up (ie wait for my stock options to mature a little more) and build it up a bit. I'm torn since it's a street car if I want to do low compression or just toy with something higher. Everyone does turbo with 9:1ish. Would a street car benefit from boosted high compression? Hmm.

cccp: how do you know your timing and fuel were dead on? can you datalog your setup?

my turbo system resides in the floor of my garage; waiting on the 1.8, MS, exhuast, and a running daily driver.

Hustler, get on that MS setup so I don't have to be another test monkey and I can learn from your mistakes. :D

EDIT:
I think we just created the NB subforum, have to start small right. Keep it down to one thread and it will be HUGE...
atleast in the NB world

No, that's one thing I would like, but it would be too easy.:) Seriously, that would be one of the best reasons for me to get an aftermarket ecu.
I depend on other stuff, older stuff that I've used for years.
Reading afr, egt, fuel pressure, knock sensor, plugs, timing, listening for knock.

I don't have a problem getting an aftermaket ecu, but I still want to see what I can wring out of the oem unit. Unfortunately I enjoy the experimentation. Maybe there's something else I can use to datalog fuel and timing without replacing the ecu.

You know, there are/were a lot of turbo NA's making over 300 rwhp, But I don't remember any with a stock engine running nitrous at that power level.

Oh, I know you weren't... that's just my posting style, it's a little raw and unfiltered. Bare with it... you get used to it after a while... I'm an affable and friendly guy, I just type a little crotchety. The manifolds can be problematic. I had to modify mine substantially, I picked up the SSGhettochrome manifold. I built my own downpipe, so it had no fitment issues.

Mark

I've got this spare Tec3 I'm not using.... :)

Mine is also in bits in my garage. At least I am rocking an intercooler for that turbo look!

Attachment 217314

YESSSS. 6 NBs. I knew there was atleast one more. What about 2fast2furious he's rollin a '99 as well.

I have a '99 as well. +1 for nb's!!
Stock engine, gt28 turbo, intercooled. Guesstimated at ~200-220rwhp.

Have any of you NB owners had issues with the fuel system like some of the recent year MSM guys?

such as?

I've got the turbo/mani/EMU (in the mail)/BPV/injectors. Still shopping for the NB. :) Test drove another today. There's a '99 with high mileage for cheap that I'm trying to check out.

cccpull,

I'm surprised you bent rods. I snapped mine on my '90 probably 6-7 years ago running a T25 at 16 psi and a 50 shot. Admittedly I had some detonation that sealed that motors fate. Swiss-cheesed the oilpan.

Frank

lol it looks as my GF and I might be broken up. LOL even though I told myself I wouldnt turbo the 99 i've got some money burning a hole in my bank account.

As to the question by CCCPull. The JR timming controll is not elegant or as accurate as a full out ecu. Yeah it works but it does so by fooling the ecu not by actually doing it on the board. Seems as if fewer NB's with full out ecus have blown rods than those useing piggy backs

You seem to imply it's just tuning, but I don't know if any of those guys were on boost and nitrous with stock rods.
You still haven't explained why the rods would go.
I know it's not elegant and I might not be wringing every last hp, but it does the job.:bigtu: At the moment hp isn't my problem, I'm runinng 16psi and until I don't get more traction I can't use more. 1st and 2nd are useless.:eek: :skid:
Also, where are all he NB's using piggy's vs full ecu with blown rods?
Just to compare, 'cause I don't remember that many. (besides mine):gay:
Thanks

All I am saying is that there are many theories on the rods

1) That they are not the same as the NA 1.8 rods
2) That most have been lost due to timming issues when using piggy's and higher boost

thats all i am saying.

Insufficient fuel on and off boost. Pump or relief valve in the tank seem to be a problem. Was reading about in on MSM board and ran into it with a friends 2005 MSM. Takes long time to start and if you pull a connector at the motor, even after changing the fuel filter, almost no residual fuel pressure when the engine is turned off.

Have not been able to run test on the pump because of need for snap on quick disconnects. Since it is under warranty, told him to have the dealer run a check on the pump.

You're right, I've heard some of those theories, too.
I can tell you I ran 12-13 psi with 50 hp shot, no problem, 75 shot, problem.
I know of a case with a tec2 or 3 (can't remember) that also broke a rod, not like mine that just bent a little. :bigtu:


So which turbo are you looking into?

that tec3 car... jason cuadra?

No, I think it was a guy with userid "NEW" (miata.net), about 4 years ago.

http://memimage.cardomain.net/member...4_103_full.jpg


ooooooooooooohhhhhhhhhhhhhhh me tooo me toooo!!!!!!!!!

Holy big turbo batman. Your compressor housing is the size of my T25, i'm jealous. Just wait though, i'll catch up with ya'll.

8 turboed NB's so far!
Airbrush what turbo/manifold/fuel mngmt are you running? Looks pretty nice.