Faelflora breaks his promise to break no more parts. He breaks eddy brakes. - Page 83 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-31-2011, 10:12 AM   #1641
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You really wanna run 40 PSI!!!!! that thing will be insane. The old turbo at 23 psi or so was wicked fast let alone 30 psi on the new one. I guess this is a go big or go home event and you are not stopping until it blows. I am in to see the winning!!!!!!!!!!!!!11
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Old 10-31-2011, 10:23 AM   #1642
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Quote:
Originally Posted by Braineack View Post
I've seen 300rwhp be made at 15psi and a stock motor...
*Until it grenaded the oil pump after many years of abuse.
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Old 10-31-2011, 10:23 AM   #1643
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yeah but he was running an underdrive pulley like a dumbass.
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Old 10-31-2011, 10:27 AM   #1644
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mo boost
less spark
low afr

fairyfaggle is finally getting it right.
in for 40psi of assfuckery
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Old 10-31-2011, 11:33 AM   #1645
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yeah but he was running an underdrive pulley like a dumbass.
AAAHHHHH right, damperless underdrive lightweight crank pulley, i forgot. No bueno.
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Old 10-31-2011, 11:42 AM   #1646
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oppinion is to keep it at 10.5:1 afr max rich even with meth. Beyond that your going to do some engine damage.
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Old 10-31-2011, 07:51 PM   #1647
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Yeah, no richer then 10.5:1 even that is too rich...don't want to wash the oil off the cylinder walls with gas.
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Old 11-01-2011, 06:42 AM   #1648
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When will the madness end! The last I checked this thread was 40 pages ago!
Now your going for over 500hp! ******* nutz. In 4 #'z

Although I think it would have been cheaper to mount a rocket to the car. lol
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Old 11-02-2011, 11:37 PM   #1649
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OK well I got my fuel map mostly straightened out. Took me a while to get cruise cells happy. Boost fuel map was pretty easy.

Vacuum referenced AFPR fuel map looks quite different than non-vacuum-referenced fuel map. Go figure.

I turned on my WI and I redid my fuel for low 11s in boost. Timing is fairly aggressive during spoolup and pretty weaksauce above 18psi. I got my MBC working with the Tial MV-R (use the side port) and set boost at 23psi. QSV is running off the same MBC so it should be opening fully around 18psi. I think I will hook up a seperate ebay NXS boost controller to the QSV so I can tune it properly. At 23 it's pretty ******* fast. I am not however, burning up the clutch yet. That means I am not pushing 450lbs of TQ (I'm guessing ACT underrated their 400lb sprung 6 puck disc) yet. I'm going to learn how to tune meth at this psi and then will be upping the boost to 40psi.

The driveability of this turbo is actually great. My redline is 8000RPM (may up it to 8500) and that plus 6speed and 3.6 gears = decent powerband. Note the following spool data though:

1st gear I see only 12psi
2nd gear I see 23psi but right at redline
3rd gear I see 23psi at 6000rpm
4th gear I see 23psi at 5500ish rpm
5th gear I see 23psi at 46/700ish rpm

This means that there is no tirespin in first. Tires spin at top of second above 7000rpm. Third tires spin at 6000. Fourth, no tirespin yet. Need more power.

In a race from a dig, I would prob lose to a 200hp turbo miata in first, catch up and pass at some point in second, and byebye after that. I'm ok with that. I like how this big turbo feels a lot. I've always rev'd to the limiter even when my car was stock and it suits my driving style. At this power level I don't think power is tapering off much as I pull to redline and boost holds solid. The tubular mani and 4" exhaust must flow incredibly well. Power just keeps on building and building.

Sad news though.

Tonight my car broke down. It backfired a few times under light load and then the throttle stopped responding and the RPMs dropped and car died. Tried starting and it stumbled and backfired a few times then I got nothing. I have cam signal, crank angle signal, spark (guessing that from AFR not being full rich when cranking), fuel (i can smell the gas and trust me i can hear the two 044 pumps). That leads me to think that my timing belt jumped. Joy. Had my car towed home and will find TDC and check cam gear tomorrow. If it is off I guess it is not all that bad because I wanted to install my adjustable cam gear too. Advancing the cam gear should help spool a lot and may not comprimise top end power too much.
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Old 11-02-2011, 11:38 PM   #1650
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Last thing

if there are big turbo haters (and i'm sure there will be when i post on m.net), i'm sure your mind would change if i gave you a ride. this **** is super ******* awesome and i'm REALLLLY glad i did the tubular mani, big turbo, big exhaust upgrade
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Old 11-03-2011, 12:20 AM   #1651
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Moar pics and vids, you stupid ****.

PS, I'm working on my car tomorrow. I'm probably going to call you. We can chat for a bit. Eye <3 U
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Old 11-03-2011, 12:24 AM   #1652
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Mnet will be a shitstorm. Im sure someone will tell you that a JRSC would be superior because itll drive away while you lag.

You see Fae, a large turbo like that lags for about 30-40 seconds on average, which is why big turbo cars are so slow. What you need is a microscopic turbo that spools before you can even think about pressing the throttle.
Also, you cant tun more than 15 psi on pump gas. Its impossible.
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Old 11-03-2011, 10:41 AM   #1653
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What you need is a 25shot to spin that ****** up in 1st and 2nd.
Athough that will probably be pointless because once it gets boiling it will spin so hard you'll go backwards.

You wanted a fast street car. Who cares about 1st or 2nd gear. 4th gear roll ons is where its at like a true roll racer LMAO
You should do TK2K12 once this **** is done and see where you will stand against 1000whp supras and 1500whp lambos
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Old 11-03-2011, 10:47 AM   #1654
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Quote:
Originally Posted by 18psi View Post
What you need is a 25shot to spin that ****** up in 1st and 2nd.
Athough that will probably be pointless because once it gets boiling it will spin so hard you'll go backwards.

You wanted a fast street car. Who cares about 1st or 2nd gear. 4th gear roll ons is where its at like a true roll racer LMAO
You should do TK2K12 once this **** is done and see where you will stand against 1000whp supras and 1500whp lambos
Yeah I am happy with 1st and second spooling slowly. It's not like I have three feet wide tires in the rear. It actually is very fun on the street. I have been getting groceries in my car again

Regarding 10000hp i mean 1000hp supras, calculator racing says i would need about 700hp to hang.
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Old 11-03-2011, 11:04 AM   #1655
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And a custom gearbox. I ran out of gear w/300 at times, you'll get there in 5 seconds with 600
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Old 11-03-2011, 12:29 PM   #1656
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Quote:
Originally Posted by Faeflora View Post
949 clutch twin ceramic going in next weekend with the loving hand of soviet
I hope you haz all the seals and bearings and **** if you want to replace them.

and
Quote:
Originally Posted by http://949racing.com/miata-twin-disc-clutch.aspx
You will need to reduce pedal travel by about 1" by either adjusting the factory pedal stops, clutch master cylinder pushrod or adding a hard pedal stop. The single disc kits include a spacer block for the throwout bearing.
I hope you know that part

Quote:
Originally Posted by Faeflora View Post
I am not however, burning up the clutch yet. That means I am not pushing 450lbs of TQ (I'm guessing ACT underrated their 400lb sprung 6 puck disc) yet. I'm going to learn how to tune meth at this psi and then will be upping the boost to 40psi.
Be gentle to my future clutch
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Old 11-03-2011, 12:49 PM   #1657
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Quote:
Originally Posted by soviet View Post
I hope you haz all the seals and bearings and **** if you want to replace them.

and

I hope you know that part


Be gentle to my future clutch
Hmm seals are all new and i guess i will reuse my current bearing? i have nothing except the clutch :|

as for pedal adjustment derpderp on that too. i am being very gentle on your future clutch since my car is not running right now.

Quote:
Originally Posted by 18psi View Post
And a custom gearbox. I ran out of gear w/300 at times, you'll get there in 5 seconds with 600
according to FM gearing calc I can hit 178mph at the top of 6th. don't plan on doing that.
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Old 11-03-2011, 01:05 PM   #1658
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Quote:
Originally Posted by Faeflora View Post
as for pedal adjustment derpderp on that too. i am being very gentle on your future clutch since my car is not running right now.
I'm sure you'll have plenty of time to ponder on that subject. But basically as far as I can tell you just take the pushrod on the clutch pedal and shorten it 1"
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Old 11-03-2011, 01:34 PM   #1659
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Quote:
Originally Posted by soviet View Post
I'm sure you'll have plenty of time to ponder on that subject. But basically as far as I can tell you just take the pushrod on the clutch pedal and shorten it 1"
KK BTW unless my mazdaspeed trans arrives tomorrow we will have to push to next weekend :(
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Old 11-03-2011, 01:40 PM   #1660
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I'm pretty sure the clutch will hold way past its "rating" for a short amount of time. Its not like it will 100% give out past, just that it won't last there any longer than a short while. How short, I dunno
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