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NB with BP-Z3

 
Old 10-02-2016, 11:19 AM
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Default NB with BP-Z3

I would like to show my NB build with BP-Z3 vvt engine and Revent turbo kit (sturovo/Matus/Revent lives in Slovakia 30km from my home, I detected it on this forum ),so why not to try it. My first miata was also NB with eaton mp 62 coldside supercharger. It was power limited to about 200hp cause high intake temperatures, so I decided to build another miata with td04 turbo. Car was rosted on standard locations (cause winter drive of previous owner). So we started with exchange of front chassis rails, and rear fenders. Then we continue with axles and polyurethane bushes.

Last edited by elektron; 10-02-2016 at 03:55 PM.
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Old 10-02-2016, 12:19 PM
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I build BP-Z3 engine by myself, 10:1 CR pistons, new piston rings, forged conrods, oil pan baffle with piano hinges. I used BP-4W fuel rail and VICS intake manifold. Injectors are yellow top 420cc from RX8. New 6 speed trans, 3,6 lsd. Exhaust is from Revent - 2,75" stainless steel. Toyota cops - it needed to lathe little bit cause bores diameter for spark plug are smallers then on BP4W head/valve cover. Intercooler and pipings are also from Revent. Oil cooler with thermostat is located on the upper side in front of coolant rad. Suspension is KONI and brakes discs (270/276mm), brake cylinder and booster are from NBFL sportive with carbotech xp8 pads and braided hoses.
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hlava VVT.jpg (377.5 KB, 62 views)
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block bottom.jpg (302.9 KB, 46 views)
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downpipe.jpg (694.0 KB, 48 views)
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forged conrods.jpg (363.1 KB, 47 views)
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oil baffle.jpg (107.1 KB, 49 views)
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toyota cops2.jpg (216.5 KB, 46 views)
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cops engine.jpg (169.7 KB, 43 views)
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cops cover.jpg (163.0 KB, 42 views)
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intercooler.jpg (803.9 KB, 49 views)
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brakes.jpg (116.2 KB, 78 views)

Last edited by elektron; 10-07-2016 at 02:35 PM.
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Old 10-04-2016, 03:46 AM
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Car is running, feels strong. VVT is controlled by MS 2 boost control output (only ON-OFF style from app.2550 rpm to 4300rpm). Gateway is stock with 7psi regulator. Problem is that from about 5500-5800 rpm it starts to pressurize more - to about 11 psi at redline. Log is in attachment. Do you think that 420 cc rx8 injectors are not enough, or do I need adjustable fuel pressure regulator? Fuel pump is stock.
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2016-10-02_16.25.19.msl (104.8 KB, 14 views)
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Old 10-04-2016, 07:13 AM
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You may need more ignition timing at high revs.
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Originally Posted by ninerwfo View Post
The “into to megasquirt thread” mentions that the MS3 basic has 5 inputs with built in pull up resistors - and I was just wondering why it would have so many, while the MS3Pro PnP has just 2 (with no pull ups?)
MS Labs: Plug and Play Megasquirt ECUs for ANY 90-05 Miata (NA, NB1, NB2 w/VVT, MSM), including basemaps to get you started ASAP. PM me or email or details.
For support on MS Labs ECUs: Please email, be sure to include the unit's serial number and include a datalog and your current map.
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Old 10-04-2016, 03:35 PM
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You may need a better wastegate.
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Originally Posted by codrus View Post
Basically I've come over to the camp of "If something is a reliability problem on the track, just ask Andrew and do what he says".
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Old 10-04-2016, 04:53 PM
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Thanks Reverant, I will try to increase some numbers (I was afraid of knock with that 10:1 CR pistons in BP-Z3), dyno result on Friday.

Last edited by elektron; 10-05-2016 at 12:44 PM.
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Old 10-07-2016, 01:14 PM
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Just dynoed. Second dyno result is after little ignition correction.
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Last edited by elektron; 10-23-2016 at 02:56 PM.
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Old 10-10-2016, 03:06 PM
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I installed vw 1.8T knock sensor (with 6dB/oct high pass filter) to the block from there to M audio sound card and from there to laptop/closed headphones.

Please anybody here with VVT engine with TD04 turbo could share timing map to comparison?
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2016-10-10_08.43.12.msl (171.4 KB, 8 views)

Last edited by elektron; 10-23-2016 at 02:57 PM.
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Old 10-23-2016, 02:46 PM
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Really nobody with vvt engine with turbo ?
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