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Old 07-13-2014, 11:40 PM   #41
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Quote:
Originally Posted by Leafy View Post
Man I dont know about your car, but on mine the 275s stick like 2 inches past the largest legal tire spats I can make, thats a lot of drag.
It's also a lot of grip. 300 hp is PLENTY to make good use of that.
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Old 07-14-2014, 01:50 AM   #42
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I'm curious to see how the MSM Transmission holds up.
Mine didn't last a year
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Old 07-14-2014, 01:58 AM   #43
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Originally Posted by hankclaussen View Post
Crap I must have missed something, I thought I saw ~310?

[Edit] here's what I saw last (your suggestion is probably for the best regardless)
I run more boost when mot doing NASA TT. For autocross I simply have more peak torque than traction in second gear even with 275 A6.

Too much feels about right to me.
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Old 07-14-2014, 02:35 AM   #44
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Quote:
Originally Posted by Leafy View Post
Man I dont know about your car, but on mine the 275s stick like 2 inches past the largest legal tire spats I can make, thats a lot of drag.
Unless you're doing the texas mile or something, the moar grip is going to win every time. Besides, being a dedicated autoxer, what do you care about drag
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Old 07-14-2014, 04:00 AM   #45
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Originally Posted by bbundy View Post

I run more boost when mot doing NASA TT. For autocross I simply have more peak torque than traction in second gear even with 275 A6.

Too much feels about right to me.
So have you broken one at under 300 ft/lb or not?
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Old 07-14-2014, 08:18 AM   #46
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Originally Posted by Mobius View Post
Unless you're doing the texas mile or something, the moar grip is going to win every time. Besides, being a dedicated autoxer, what do you care about drag
I dont care about drag, which is why I never even considered anything besides the 275s.
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Old 07-14-2014, 12:07 PM   #47
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So have you broken one at under 300 ft/lb or not?
yes I make right at 300 ft-lbs or a little under at the low boost setting. broke 4th gear in 3 of them including a Mazdaspeed box on track.
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Old 07-21-2014, 10:18 PM   #48
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You can't tell if DynaPac numbers are legit unless the Sidebar is posted as part of the pic. You can show Axle Power or estimated flywheel power. On the sidebar the "AxlePOW" and "Power" numbers will be the same if the operator is showing you legit numbers. If they are different you will know that the operator has added in some form of "correction" factor to fudge up the numbers.

One of the easiest dynos to manipulate.....but the most easy to spot the manipulation of you have the whole dyno sheet.
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Old 07-22-2014, 04:21 PM   #49
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Originally Posted by TNTUBA View Post
You can't tell if DynaPac numbers are legit unless the Sidebar is posted as part of the pic. You can show Axle Power or estimated flywheel power. On the sidebar the "AxlePOW" and "Power" numbers will be the same if the operator is showing you legit numbers. If they are different you will know that the operator has added in some form of "correction" factor to fudge up the numbers.

One of the easiest dynos to manipulate.....but the most easy to spot the manipulation of you have the whole dyno sheet.

I'm going back to Evans Tuning on Thursday morning on the way to Watkins Glen for some additional partial throttle tuning. When I get there, I'll ask him if he "added in some form of "correction" factor to fudge up the numbers"………..
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Old 07-22-2014, 04:26 PM   #50
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I wouldn't ask him that. I would just ask for the whole Dyno plot including the sidebar. Then you can tell for yourself.
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Old 07-22-2014, 04:27 PM   #51
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I wouldn't ask him that. I would just ask for the whole Dyno plot including the sidebar. Then you can tell for yourself.
I'll tell him you asked……...
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Old 07-22-2014, 07:29 PM   #52
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No need to do that either. I could honestly care less. I was just trying to help you out....you can take the advice or not.
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Old 07-23-2014, 04:12 PM   #53
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No need to do that either. I could honestly care less. I was just trying to help you out....you can take the advice or not.
You're a sensitive little bunny rabbit aren't you
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Old 07-23-2014, 06:09 PM   #54
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No. Actually quite the opposite.
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Old 07-23-2014, 09:26 PM   #55
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You're a sensitive little bunny rabbit aren't you
You'll do just fine here, sir
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Old 07-24-2014, 12:05 PM   #56
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Ok, here we go!

All packed up and on our way to Watkins Glen via Evans Tuning

For all of the lovers and haters out there, I hope to have answers to all questions later today.....
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Old 07-24-2014, 06:36 PM   #57
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Update from Seneca Lodge: 300+ REAR WHEEL HORSE POWER CONFIRMED



Link to Evans Tuning Facebook page here:
https://www.facebook.com/?ref=tn_tnm...type=3&theater

it says:
Turbo road race miata on the dyno with custom turbo kit based around a gt28rs, built 1.8l block with stock cams and aem ems. Tuned on 12 psi on 93 octane output 315 whp / 230 tq. #evans #evanstuning #dynapack #dyno #aem #miata #turbo #rwd #mazda

dyno's shown below


I'm happy so now lets see how she runs tomorrow on the race track
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Turbo Miata Race Car - 302 rwHP-turbomiata-1-24jul14.jpg   Turbo Miata Race Car - 302 rwHP-turbomiata-2-24jul14.jpg  
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Old 07-27-2014, 11:27 PM   #58
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Just back from WGI - car ran great - did a 2.14.9 = nicely mid pack in Porsche instructor run group - probably leaving a solid 2s on the table with better braking at 1 and bus stop.

video to follow (at some point)
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Old 09-14-2014, 08:12 PM   #59
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Default 302 rwHP Turbo Miata race car is now for sale

Sooooooo, after 3 years of hard slog and just when my black turbo is running like a champ, we have decided to move back home to the UK.

As a result, I am selling all of my miatas including the black turbo in order to go Caterham Lotus 7 racing when get home



If you have been following this thread, you know this is a no expense spared, high quality build which started with a full caged SPEC MIATA and finished with a 300 rwHP Monster with 275 hoosiers and front / rear aero. This car was quicker that a new Porsche Turbo around Pocono and killed most porsches in the red run instructor group at the mighty Watkins Glen

Check out new WATKINS GLEN video here:

https://vimeo.com/102491832


Check out POCONO video here:
https://vimeo.com/99497249


I am using CAR CONNECTIONS USA to sell the car for me so check out their FOR SALE link here:
1990 Mazda MX-5 Miata TURBO RACECAR | West Chester, Pennsylvania | Car Connections USA


Here's a reminder of the build specs

1990 Spec Miata chassis
1994 1.8 engine
Mazdaspeed 6 speed transmission
949 racing twin disc racing clutch
Torsen 4.1 LSD
Wiseco pistons with Eagle H-beam connecting rods
Mazdaspeed crankshaft with ACL racing bearing
Supertec valve springs/retainers/keepers Stock valves
GT2871RS turbo
750cc Injector Dynamic injectors
Deatschwerks 300lph intank pump
Turbos-smart Comp-gate 40mm waste gate
Mocal 235 matrix 25 row oil cooler
AEM EMS v1 (30-1710 box)
AEM EBC solenoid
Monster mad max front splitter
Supermiata GTC 200 wing
repainted gloss black #302
TrackSpeed BBK 11.75 with DTC60s
Prothane complete bushing kit
Flyin' Miata AFCO suspension - 750/450
15 x 9" Konig Dial In wheels
275 Hoosier R6 with -3 degrees camber
2450 lbs inc driver and full tank o' gas

Tuned by Evans Tuning to 302 rear wheel hp / 230 tq at 12 psi on 93 octane

Priced at $27,900 to reflect high quality, no expense spared build and the fact you'll pass everything in front of you

All words of encouragement welcome……….

Last edited by SSMtobeturbo'd; 09-14-2014 at 08:35 PM.
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Old 09-26-2014, 09:35 PM   #60
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Good luck with the move back to the UK. Is shipping/importing the Miata to the UK not practical for some reason or just want to change platforms?
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