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Old 05-16-2002, 03:28 AM   #1
WRX_man20
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Question What gauges are required?

Hey all, I am going to be making improvements on my engine in the future and it was brought to my attention that I needed gauges to monitor the engine when adjusting turbo psi ect. What guages are a MUST and which come in second as a good to have. I've been looking at Greddy gauges since they match the lighting scheme of the car, but are they better gauges out there. Thanks, Chris
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Old 05-16-2002, 07:28 AM   #2
Narcisse91
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Boost would be the most important, EGT would be a really good idea, a knock sensor, and air/fuel... those would be my top four choices, probably in that order, but it depends on how far you're planning to tune the car. I'm using a Vishnu stage 0 and all I did was use a boost gauge to tune it, and now it sits in my glove box. I plan to add an EGT and knocklink before I go to stage 1, and air/fuel will probably come in the form of a SAFC at some point.


Just out of curiosity, which GReddy gauges did you find that matched the stock interior well?


Edit: Bad spelling this early in the morning...
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Old 05-16-2002, 02:12 PM   #3
WRX_man20
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The black faced gauges that illuminate green at night look good with the interior and gauge lights.
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Old 05-16-2002, 09:39 PM   #4
Z1 Performance
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Boost, EGT and oil pressure.

the rest just go blinkey blinkey and won't tell you much,.

i would personally skip the knocklink and A/F gauge...invest ina good datalogger instead
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Old 05-17-2002, 09:22 PM   #5
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I have 6 of the GReddy electronic gauges (black face) in my WRX and love them. In the A pillar I have (52mm) water temp, fuel pressure, and oil pressure. In the Defi gauge pod I have (60mm) boost, EGT, and air/fuel ratio. If I only had 3 gauge spots, I would choose boost, EGT, and oil something (in this case, something being either pressure or temp, depending on who you ask, in terms of which is more important). The air/fuel ratio gauge has probably been the most vexing of them all.

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Old 05-26-2002, 03:14 PM   #6
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what does EGT and oil pressure gauge tell you?

I want these gauges righthere

but they don't have EGT I don't know how accurate they are either. How can you tell if they're accurate or not?
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Old 05-26-2002, 03:25 PM   #7
GoodFinder
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My impression of EGT readings is that it is a good way to help you keep the insides of your engine in good shape. In other words, if the EGTs are too high for any significant length in time, either you are pushing the car too hard, or something is wrong inside.

As it relates to oil pressure or oil temperature, it seems to be (for me) more of an important "just to be sure all is OK" kind of monitoring.

I am sure somebody or bodies on the board here can give a more technical description of why EGT and oil are good things to monitor.

I am not familiar with the brand of gauges in the link you posted. I know the GReddy gauges are some of the more expensive, but to me they seemed to be well worth it, from a long term perspective.

Hopefully there will be some others here who can comment further.

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Old 05-26-2002, 06:10 PM   #8
SilverWRX02
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thanks for reply goodfinder

I'm looking for those gauges because I need to match my reverse indiglos. After all my search I only find 2 sites that actually make reverse indiglo boost gauges. Omori USA and that other website that I linked.

does anyone know other companies that make reverse indiglo boost, egt and oil?

btw I found this



where the heck does that thing goes in the car??
the explaination is not very clear at all, either that or I just can't understand...

Meter hood panel of carbon make. Boost meter and the like it is the range of vision characteristic which until now is not. Being also to be able to open and close the hood, sort you can use also the BOX until now.
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Old 05-27-2002, 02:33 AM   #9
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Boost (important until car is finally tuned how you want it)
EGT (important until car is finally tuned how you want it)
Time - use it everyday
Outside temp - use it most everyday

for a temporary gauge consider intercooler temp (ie if you are going to be changing out the intercooler this could be helpful).
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Old 05-27-2002, 05:08 AM   #10
jlogan9
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Default boost gauge

I currently have the stock boost gauge which measures up to 1.5 kPa, I was wondering if I should get a gauge like the Greddry that measures up to 2.0 kPA.

Also, does anyone know the conversion factor from kPa to PSI

Thanks
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Old 05-27-2002, 11:47 AM   #11
jesse370
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0.1 (mpa)= 1 bar
1 bar = 14.508 psi
1 atmosphere (atm)= 14.689

* psi by .00689
(ex) 14.2 * .0069 = .097 mpa
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Old 05-27-2002, 05:36 PM   #12
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On a completely stock WRX what is normal boost?
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Old 05-27-2002, 08:06 PM   #13
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Quote:
Originally posted by SilverWRX02
btw I found this



where the heck does that thing goes in the car??
the explaination is not very clear at all, either that or I just can't understand...
its a replacement for the clock and its made for the rhd impreza. from the looks of it, i'd say its for the older gc8 bodystyle and not the new age impreza....


Quote:
Originally posted by jlogan9
On a completely stock WRX what is normal boost?
stock should peak at 14.2psi and taper off as you approach redline. people here report anywhere from 13.5-14psi as their observed peak boost.
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