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Author Topic: In-dash Boost Gauge  (Read 64100 times)
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nachonacholibre
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« Reply #30 on: November 09, 2008, 08:21:00 AM »

Great job!!
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'95MSM
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« Reply #31 on: November 09, 2008, 07:04:00 PM »

I got the gauge second-hand, so no knowledge of the proper description of the graphics.  I doubt that I would have cut up a full-price Speedhut gauge!
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'05 running gear + '95 body
3.63 ring & pinion FM content: Blouch compressor mod, FM-Link, i/c & no-MAF intake.   BEGi: Stainless SGDP w/ metal core performance cat.   Custom stuff: Compressor clocked downward w/ new i/c pipe, big radius throttle elbow, 2.5" mid-pipe w/ Hushpower II, dual 2" axle-back w/ open Supertrapps, Toyota 4 pc cop ignition

245.2 whp on default FM-Link maps (with OEM midpipe)
mr_hyde
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« Reply #32 on: November 10, 2008, 07:09:54 AM »

Maybe I'll call them and see if they have it on file.  I love the OEM look.  I'd like to do that with a real water temp in the dash and an oil pressure and oil temp in a pod.  That should give me all the instrumentation really needed for spirited driving and the occasional track session.  I'd want to get them all at once to be sure they matched perfectly  thumup
-hyde
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2005 Black Mica #290 8/27/04 w/Factory Hard Top
BEGi Intake, FM Downpipe.  Nice and calm with an edge...

1990 Red - MSM Drivetrain, Adaptronic EMS, Xida 700/400, 15x9 6uls, Full Cage, SGDP w/80mm Corksport exhaust, ~260whp @ 15psi on Forged Rods.  bow2
Build Thread: http://www.mazda-speed.com/forum2/index.php/topic,24668.0.html

2000 BMW M5 - The Falcon - Daily Driver  reddevil

2003 E350 7.3 Powerstroke Ambulance for towing '90MSM to play dates.

1991 BRG - Daughter's daily driver.
mr_hyde
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« Reply #33 on: November 19, 2008, 06:27:20 AM »

That sir, is amazing.   afro afro afro Shocked

if you wanna get real crazy, paint that rim silver!
Funny, I thought that too but on closer inspection, there is no silver around the OEM oil gauge.
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2005 Black Mica #290 8/27/04 w/Factory Hard Top
BEGi Intake, FM Downpipe.  Nice and calm with an edge...

1990 Red - MSM Drivetrain, Adaptronic EMS, Xida 700/400, 15x9 6uls, Full Cage, SGDP w/80mm Corksport exhaust, ~260whp @ 15psi on Forged Rods.  bow2
Build Thread: http://www.mazda-speed.com/forum2/index.php/topic,24668.0.html

2000 BMW M5 - The Falcon - Daily Driver  reddevil

2003 E350 7.3 Powerstroke Ambulance for towing '90MSM to play dates.

1991 BRG - Daughter's daily driver.
Lokiel
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« Reply #34 on: May 17, 2011, 06:16:14 AM »

I did this mod on the weekend using a Speedhut Legacy gauge with custom blue backlighting to match my other gauges (I love the look of blue lighting against chrome trim). I followed '95MSM's advice on the install and, like him, found that I needed to insert a plastic shim on the right hand side of the gauge to force it to be centred correctly.

For full details, and lots of install pictures, see http://mx5cartalk.com/forum/viewtopic.php?f=57&t=41091&start=75

Here's a summary of the photos:

Night View:


The boost gauge is a little brighter than the other gauges so its colours bleed when photographed with all the other gauges. Taken close up, this is not an issue, nor is it in reality.

Unfortunately, the gauge's needle does not zero correctly, otherwise it's fully functional:


I read that the Revolution gauges can be recalibrated via their pushbuttons but the Legacy gauges don't have any. On another forum, someone suggested removing power to the gauge and reapplying it so I'll try that next. I fired off an e-mail to Speedhut about this and am waiting for a response, but if anyone else has any ideas, I'd like to hear them.

I love this mod, it puts the boost gauge right where Mazda SHOULD have put one in the first place!
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Ti Aussie "SE" (cannot be called "MazdaSpeed" here, "speed/performance" badging encourages reckless driving apparently), DIY AutoTune MS3-Pro ECU, Borg-Warner EFR6258, NitroDann custom manifold+3"exhaust+CAI, Injector Dynamics 1000cc injectors, GM D514A CNPs, 83.5mm coated CP pistons, K1 rods, Fab9 350HP intercooler,  ported Squaretop Intake Manifold, Skunk2 Throttle Body, ATi Super Damper, '95MSM SpeedHut Boost Gauge Mod, GREDDY Remote Oil Filter Relocation with Thermostat, Setrab Oil Cooler, BC Racing BR Series coilovers (8/6kg), 1.125" Racing Beat Tubular Sway Bar + Al Braces, 949racing SuperMiata end links, Carbing 3-pt shock tower brace, Nickel 6UL 15x8s, Toyo R1Rs 225/45/15, Wilwood Front BBK, SS Brake Lines, FM Frame Rails, Boss Frog "Frog Arms", MX5 Plus Twin Hoop Roll Bar, MiataRoadster long-angled SSK, Piano-Black Voodoo Knob&HandBrake, Innovate MTX-L Wideband O2 gauge+sensor, Lotus Probax seats + lots of "goes faster" chrome bling (since chrome reflects light, less of the colour spectrum is absorbed, making the car lighter - "pseudo-science" Smiley ).
Build Thread: http://mx5cartalk.com/forum/viewtopic.php?f=57&t=41091
mr_hyde
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« Reply #35 on: May 17, 2011, 08:20:31 AM »

The best gauge mod there is!  Glad to hear there is another proud convert Wink
-h
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2005 Black Mica #290 8/27/04 w/Factory Hard Top
BEGi Intake, FM Downpipe.  Nice and calm with an edge...

1990 Red - MSM Drivetrain, Adaptronic EMS, Xida 700/400, 15x9 6uls, Full Cage, SGDP w/80mm Corksport exhaust, ~260whp @ 15psi on Forged Rods.  bow2
Build Thread: http://www.mazda-speed.com/forum2/index.php/topic,24668.0.html

2000 BMW M5 - The Falcon - Daily Driver  reddevil

2003 E350 7.3 Powerstroke Ambulance for towing '90MSM to play dates.

1991 BRG - Daughter's daily driver.
msmjim
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« Reply #36 on: May 17, 2011, 02:22:23 PM »

...
Unfortunately, the gauge's needle does not zero correctly, otherwise it's fully functional:
...

I also recently installed a Speedhut (not in the dash, though I do like the idea) and mine seems to work fine in all respects except that it does not zero either.
Should it zero, when the car is turned off ? If not then, when?
When I turn off the car, power is cut to the gauge and the needle just stays wherever it was when I turned off, which is generally around 20 psi vacuum.
Do I have it wired wrong?
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2004 VR MSM GT #755
 FCM coilovers, Lotus Exige driver's seat,  Miata Roadster tall short shifter with JoyFast knob, FM MAFless intake, Hallman Pro RX MBC, Bailey DV26 VTA BOV, FM downpipe, Enthuza midpipe and Speedster exhaust, Toyota Supra 305cc injectors, 15x8 6uls, BFG Rivals 205/50/15, Carbotech AX6 brake pads, Grom Audio iPod interface, Nautilus Horn, Speedhut boost gauge, Audiovox CCS-100 cruise control w/OEM stem, HIR 9011/9012 bulbs
bigx5murf
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« Reply #37 on: May 17, 2011, 03:47:51 PM »

Are these speedhuts mechanical or electrical?  My autometer mechanical always zero's exactly.

Staying where it was when power is cut off makes me think electronic.
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'95MSM
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« Reply #38 on: May 17, 2011, 04:10:23 PM »

Electronic.

Pop the needle off and re-index.  Turn off the power, turn it back on and examine your results.  It takes me several tries to get it zeroed.

Nice job, and very nice match regarding illumination.  I asked Speedhut if they would sell illumination material for the rest of the dash, but they declined.
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'05 running gear + '95 body
3.63 ring & pinion FM content: Blouch compressor mod, FM-Link, i/c & no-MAF intake.   BEGi: Stainless SGDP w/ metal core performance cat.   Custom stuff: Compressor clocked downward w/ new i/c pipe, big radius throttle elbow, 2.5" mid-pipe w/ Hushpower II, dual 2" axle-back w/ open Supertrapps, Toyota 4 pc cop ignition

245.2 whp on default FM-Link maps (with OEM midpipe)
msmjim
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« Reply #39 on: May 17, 2011, 04:48:42 PM »

Electronic.

Pop the needle off and re-index.  Turn off the power, turn it back on and examine your results.  It takes me several tries to get it zeroed.

Nice job, and very nice match regarding illumination.  I asked Speedhut if they would sell illumination material for the rest of the dash, but they declined.

But the numbers that it reports under all circumstances other than when the car is turned off appear correct. I get about 22 psi vacuum at idle.
Before I had my MBC adjusted correctly, it read right at 10 boost right before I would hit the boost cut.

Given that all my other readings look accurate, if I reindex my needle, isn't it going to throw off my readings during normal usage?
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2004 VR MSM GT #755
 FCM coilovers, Lotus Exige driver's seat,  Miata Roadster tall short shifter with JoyFast knob, FM MAFless intake, Hallman Pro RX MBC, Bailey DV26 VTA BOV, FM downpipe, Enthuza midpipe and Speedster exhaust, Toyota Supra 305cc injectors, 15x8 6uls, BFG Rivals 205/50/15, Carbotech AX6 brake pads, Grom Audio iPod interface, Nautilus Horn, Speedhut boost gauge, Audiovox CCS-100 cruise control w/OEM stem, HIR 9011/9012 bulbs
bigx5murf
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« Reply #40 on: May 17, 2011, 04:50:06 PM »

I've never gotten more than 20psi of vacuum at idle
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SilverMiataRacer
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« Reply #41 on: May 17, 2011, 05:56:00 PM »

Twenty at idle is fine, twenty 22+ when coasting down is the norm.
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Larry

4 Miatas but who's counting!!   Cool

White Knight    1991 Crystal White   #99 CSP
Silver Bullet     1992 Silverstone     #17 SM2  FM I+ Turbo  (Gone but not forgotten)
Honey B          1992 Sunburst Yellow #99 SM2 J.R. M45
Whooosh         2004 Titanium MazdaSpeed MX5  #403 of 4000
Subie              2006 Steel Gray WRX STi Cobb Stage 2 (Gone but not forgotten)
No name yet    2008 Velocity Yellow Tintcoat Z06 Corvette
No Name yet    2014 Ashen Grey Metallic Camaro 2SS 1LE

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mr_hyde
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« Reply #42 on: May 18, 2011, 01:47:00 AM »

My speedhut acted strange for a day or two after I installed it.  After a few days, it started to zero by itself.  I don't remember if I power cycled the whole thing or not but it has been fine ever since...
-h
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2005 Black Mica #290 8/27/04 w/Factory Hard Top
BEGi Intake, FM Downpipe.  Nice and calm with an edge...

1990 Red - MSM Drivetrain, Adaptronic EMS, Xida 700/400, 15x9 6uls, Full Cage, SGDP w/80mm Corksport exhaust, ~260whp @ 15psi on Forged Rods.  bow2
Build Thread: http://www.mazda-speed.com/forum2/index.php/topic,24668.0.html

2000 BMW M5 - The Falcon - Daily Driver  reddevil

2003 E350 7.3 Powerstroke Ambulance for towing '90MSM to play dates.

1991 BRG - Daughter's daily driver.
'95MSM
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Posts: 6076


Turbo clocked downward, new i/c plumbing


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« Reply #43 on: May 18, 2011, 06:16:13 AM »

Given that all my other readings look accurate, if I reindex my needle, isn't it going to throw off my readings during normal usage?
Yes.  It sounds like your needle is below zero at ambient (based on 22 inches when most see 20).  If you get it zeroed, you'll see less vac and more boost.

When turned off, the Speedhut lets the needle seek whatever position it wants, so don't pay any attention to where it points when powered off.
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'05 running gear + '95 body
3.63 ring & pinion FM content: Blouch compressor mod, FM-Link, i/c & no-MAF intake.   BEGi: Stainless SGDP w/ metal core performance cat.   Custom stuff: Compressor clocked downward w/ new i/c pipe, big radius throttle elbow, 2.5" mid-pipe w/ Hushpower II, dual 2" axle-back w/ open Supertrapps, Toyota 4 pc cop ignition

245.2 whp on default FM-Link maps (with OEM midpipe)
msmjim
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« Reply #44 on: May 18, 2011, 02:45:14 PM »

Given that all my other readings look accurate, if I reindex my needle, isn't it going to throw off my readings during normal usage?
Yes.  It sounds like your needle is below zero at ambient (based on 22 inches when most see 20).  If you get it zeroed, you'll see less vac and more boost.

When turned off, the Speedhut lets the needle seek whatever position it wants, so don't pay any attention to where it points when powered off.

Thanks. After I got home and was able to experiment I was able to see what is happening better. Normally when my car is at idle it shows 22 inches. When I switch the car off, the needle doesn't move. It just stays wherever it was which is usually 22 inches vacuum. But if I switch to ACC, it tries to zero itself after a second or so and you guys are right. It's off by 2 inches of vacuum. I need to reindex 2 inches more boost. Pardon me for being so dense.
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2004 VR MSM GT #755
 FCM coilovers, Lotus Exige driver's seat,  Miata Roadster tall short shifter with JoyFast knob, FM MAFless intake, Hallman Pro RX MBC, Bailey DV26 VTA BOV, FM downpipe, Enthuza midpipe and Speedster exhaust, Toyota Supra 305cc injectors, 15x8 6uls, BFG Rivals 205/50/15, Carbotech AX6 brake pads, Grom Audio iPod interface, Nautilus Horn, Speedhut boost gauge, Audiovox CCS-100 cruise control w/OEM stem, HIR 9011/9012 bulbs
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