Miata Turbo Forum - Boost cars, acquire cats.

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Leafy 07-24-2014 02:17 PM


Originally Posted by Savington (Post 1150992)
60-120 in 9 seconds in 5th :rofl:

Lol its faster 60-120 than it was 0-60 when it was stock.

AbeFM 08-03-2014 07:47 PM


Originally Posted by soviet (Post 1148730)
I have a modified magnetic CAS. I cut all the teeth inside but one. I'll post an MSQ later.
Buy me an airplane ticket and I'll wire your call all night long, baby.


Yeah with VVT + 36-1T wheel your only 2 options right now are to grind the 2 teeth off the intake cam or convince the megasquirt guys to write custom decoder for it. The CAM singnal *must* come from the VVT cam.

I thought I could write the decoder part myself, but the source code is so god awful that I'd rather not.

Soviet,
Where do I got digging to find out more about this - I heard somewhere else it's 36-2 from FM that works and now I'm all confused. :-)

18psi 08-04-2014 12:13 AM


Originally Posted by soviet (Post 1150977)
Bled the brakes yesterday and drove the car around the block. Tonight I'm going to wire the gauge cluster (currently no tacho, oil pressure, brake light or coolant gauge) and fan.

Reminded me that this car does 60-120 in 9 seconds....

:drool:


....


:drool:

Jeffbucc 08-04-2014 08:36 AM

Brb taking out a business loan for an EFR turbo, long tube headers and everything v-band. Also injectors. And fuel pump. And AFPR. And a new clutch. And new underwear.

Damn that makes my car feel slow now.

thenuge26 08-04-2014 09:14 AM

That's all the cheap stuff Jeff. Once you buy all that, then you're looking at paying twice that for a transmission that will hold the power.

Jeffbucc 08-04-2014 09:19 AM

Doesn't Soviet still have a 6 speed or did I miss his upgrade?

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Holy flying fuck quaife transmissions are expensive. Like. Sell one of my testicles expensive. Guess I know where my power goals end.

18psi 08-04-2014 09:23 AM

6 speed past 400 is just as risky as 5 speed past 250.

People try to act cool and post up that they want 450+ but when someone actually gets there, like soviet, they quickly realize why there's a billion sub300 miata's and only a few dozen with more

but boy oh boy did that speedo/tach sweep vid give me a chubby. hnggg

thenuge26 08-04-2014 09:51 AM


Originally Posted by Jeffbucc (Post 1154088)
Doesn't Soviet still have a 6 speed or did I miss his upgrade?

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Holy flying fuck quaife transmissions are expensive. Like. Sell one of my testicles expensive. Guess I know where my power goals end.

Soviet made this perfect graphic which explains:

https://www.miataturbo.net/attachmen...t-untitled-png

If you think the quaife gearbox is bad, there's the NISMO gearset for the 6-speed which runs around $3200 and the PAR gearset which is $4800.

18psi 08-04-2014 10:12 AM

:laugh: still just as funny

........and shockingly true

soviet 08-04-2014 10:40 AM

Everything said above is true.

Currently life is in the way but if I had extra money and time I'd be rocking a g-force T5 transmission.

Der_Idiot 08-06-2014 09:17 PM

Just hold out for Emilio's dog box if it ever pans out. Is that video with your current 29psi e85? :P

soviet 10-14-2014 10:15 AM

Occasionally driving the car and tuning a little bit more. It runs good although right now I'm just on wastegate boost (which is still good for like 350whp)

Finally happy with the idle and fan control

Jeffbucc 10-14-2014 04:43 PM

I love your coolant reroute for the heater core. Mind clueing me in on what lines those are?

Sounds really really solid. Are you using the Small Pulsewidth Injector data from ID or are you only using the standard deadtime table? I think using the Small pulsewidth table is causing me some issues with my ID's and full boost.

350 is insanity for just wastegate.

soviet 10-14-2014 05:01 PM

2 Attachment(s)
I didn't know ID had data for megasquirt. Interesting...
I have no idea what my injector setting are, tbh.

For heater core, I welded an AN bung to the water neck (the one on the pump) and flipped it 180*.


Originally Posted by soviet (Post 930055)
State of the car last night:
I also wasn't happy with the mixing manifold. I had it flipped 180* and heatercore return pipe chopped off real short. However, I hated the o-ring on that pipe. So I got an -10AN fitting welded on. Got it done at Mach V in Sterling - same place I got all my welding done. Can't praise these guys enough. This is a very tight spot and I wasn't sure if the welder would be able to do it. No problem, apparently. Cost me $45.
https://www.miataturbo.net/attachmen...ine=1413320489
https://www.miataturbo.net/attachmen...ine=1413320489


99mx5 10-14-2014 05:02 PM

Loving the vids. I have to post more vids with 24PSI in my thread.

AbeFM 10-14-2014 05:24 PM

That is not a bad idea.... That o-ring cost me a motor once.

Yeah - ID has numbers, I was the one who got them to do it, and I don't think they are QUITE right. A couple caveats: if you don't have a manifold referenced regulator, MS doesn't deal with it correctly (unless you have the latest firmware AND tell it to) - I just switched and it's better.

https://docs.google.com/spreadsheet/...Hc&usp=sharing

This is all a work in progress, but I have ID's numbers as well as my own (all based on ID data).

Small Pulse Widths shouldn't effect boost at all, it only comes into play with sub 2ms PW.

On there you should find everything you need to get voltage and flow rate compensation set up. I'll try to clean it up more when it's done. If you don't have references regulator, check it out near the bottom of fuel settings menu.

Jeffbucc 10-14-2014 07:06 PM


Originally Posted by AbeFM (Post 1175403)
That is not a bad idea.... That o-ring cost me a motor once.

Yeah - ID has numbers, I was the one who got them to do it, and I don't think they are QUITE right. A couple caveats: if you don't have a manifold referenced regulator, MS doesn't deal with it correctly (unless you have the latest firmware AND tell it to) - I just switched and it's better.

https://docs.google.com/spreadsheet/...Hc&usp=sharing

This is all a work in progress, but I have ID's numbers as well as my own (all based on ID data).

Small Pulse Widths shouldn't effect boost at all, it only comes into play with sub 2ms PW.

On there you should find everything you need to get voltage and flow rate compensation set up. I'll try to clean it up more when it's done. If you don't have references regulator, check it out near the bottom of fuel settings menu.

I'll have to take a look. The reason why I ask is at full boost I get stuttering and a complete lack of power once it starts until I back off. It isn't spark plug blow out it isn't over boost either. Only happened once I installed the ID's

AbeFM 10-14-2014 07:30 PM

What's your duty cycle? It sure doesn't sound like an injector problem,a nd ID's are some of the fastest. What AFR's? I'd take your logs to the MS forums and see what they say.

Jeffbucc 10-14-2014 07:34 PM

Off the top of my head 40-50s % AFR is fine until I hit that and when I lift throttle it goes full rich after I lift. Not during. Afrs are fine while in boost. Boost doesn't oscillate either but I do get a lot of tpsdot oscillation. Logs are a bit mystifying. I need to get a solid log of it. I did just increase fuel rail pressure to 58 (I Hector dead times changed to reflect it too. I'm slowly putting it together just irritating to not have a clear reason as to why.

Sorry to thread jack Soviet.

AbeFM 10-14-2014 08:14 PM

Any chance you have it set up for low ohm?


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