2 most important guages???
#1
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2 most important guages???
...not including a boost gauge, which 2 other gauges are good to have??? (2 gauges OTHER than a boost gauge)
which ones?? EGT?? A/F?? Water temp.??? Oil temp.?? etc...
???
which ones?? EGT?? A/F?? Water temp.??? Oil temp.?? etc...
???
Last edited by JoeD; 09-15-01 at 10:58 PM.
#3
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i'll second that one,
when my engine popped, if i had a boost, and temp guage(my stock temp guage was busted) i woulda been saved!!
i cant believe the FD doesnt come with a boost guage,
my friends old *** crappy turbo volvo even has a stock boost guage!
when my engine popped, if i had a boost, and temp guage(my stock temp guage was busted) i woulda been saved!!
i cant believe the FD doesnt come with a boost guage,
my friends old *** crappy turbo volvo even has a stock boost guage!
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I'm not sure why people are saying A/F guages. Those things literally aren't worth a ****, especially on a MAP-based fuel system. Those things flicker back and forth qualitatively and quite inaccurately. Really they're just fancy lights for riceboys. Well, most of them. I think GReddy may be the manufacturer of the one worth a nut.
An EGT guage will tell you so much more if you know how to use it, but you have to get one hot enough for a rotary (GReddy, A'PEXi, BLITZ, etc.).
An EGT guage will tell you so much more if you know how to use it, but you have to get one hot enough for a rotary (GReddy, A'PEXi, BLITZ, etc.).
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#9
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Don't even bother with a A/F meter. I'll paraphrase exactly what Sokudo said, they just have pretty lights. The only time an A/F gauge gets critical is under boost, and the only pricisely acurate ones are the expensive ones i.e. uego, lambda.
The EGT gauge shows how "happy" your engine is. If a your engine is running lean it will show it as a high temperature reading and vice versa.
The EGT gauge shows how "happy" your engine is. If a your engine is running lean it will show it as a high temperature reading and vice versa.
Originally posted by 1FAST7
Is it better to have both EGT and A/F or just EGT??? what does EGT show???
1FAST7
Is it better to have both EGT and A/F or just EGT??? what does EGT show???
1FAST7
#10
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I must disagree that an A/F gauge is worthless. They aren't perfectly accurate but they are enough so that if you are running lean for some reason you will notice. EGT is Exhaust temp and is useful to some degree but if you are running lean (causing higher exhaust temps) the gauge won't instantly react like an A/F will. Although I don't have direct experience with EGTs I would expect that it would take time for the average temp to rise in the sender meaning that the gauge won't react fast enough. Thus pop goes your motor before your gauge shows something. I would therefore chose water temp, then A/F (and I have) and then maybe oil temp. It is a good indicator of your engine's risk as well. It will change faster than water temp and is also effected by exhaust temp because oil cools our turbos to some degree and they are naturally driven by exhaust gasses.
#13
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Thread Starter
Re: gauges
Originally posted by sokudo
egt and water temp. a/f are not very accurate unless you get a very high end one like $600 to $800 one.
egt and water temp. a/f are not very accurate unless you get a very high end one like $600 to $800 one.
#14
Rotary Freak
Re: Re: gauges
Originally posted by JoeD
yeah....and the only affordable A/F guage is the Autometer...
yeah....and the only affordable A/F guage is the Autometer...
#15
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Originally posted by DK
An EGT guage will tell you so much more if you know how to use it, but you have to get one hot enough for a rotary (GReddy, A'PEXi, BLITZ, etc.).
An EGT guage will tell you so much more if you know how to use it, but you have to get one hot enough for a rotary (GReddy, A'PEXi, BLITZ, etc.).
#16
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aslo, the greddy and apex EGTs go up to 1200 C. what does the DEFI go up to?? it says 20, so is that 2000 F??
what does 2000 degrees F = in C??
what does 2000 degrees F = in C??
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Originally posted by JoeD
aslo, the greddy and apex EGTs go up to 1200 C. what does the DEFI go up to?? it says 20, so is that 2000 F??
what does 2000 degrees F = in C??
aslo, the greddy and apex EGTs go up to 1200 C. what does the DEFI go up to?? it says 20, so is that 2000 F??
what does 2000 degrees F = in C??
0piston you could also paraphase what I said, which Rob (sokudo) essentially repeated.
By the way Rob, have you seen the "secret site" yet? If not, get Alf to show you or send me a PM.
#19
Yellow Dragon is no more
EGT over AF because AF is really just your O2 sensor reading and if you have ever caught any discussions on O2 sensor dyno tuning you will know what this is really useless. The EGT should respond quicker. The hotter the temps the leaner the engine is. I believe rotary engines are in the 1650F range? I am waiting till I go single to add an EGT, so I can't varify till then. The idea is that you can watch it and compare it to its normal motion kind of like your boost gauge.
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