Which gauge is more important, fuel or oil pressure?
Feb 25, 2005, 12:27 AM
#1
Newbie
Thread Starter
iTrader: (1)
Join Date: Apr 2004
Location: NY
Posts: 26
Likes: 0
Received 0 Likes
on
0 Posts
Which gauge is more important, fuel or oil pressure?
Umm, I think I already put my question on the heading so I'm just gonna let you guys chip in. Well don't tell me to get both because one of the 2 pods already has a boost gauge. 
Feb 25, 2005, 03:18 AM
#5
Evolving Member
iTrader: (14)
Join Date: Oct 2003
Location: Louisville, Ky
Posts: 130
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by lightingyellow8
noob here.. feel free to poke fun.. 
but whats a "wideband gauge like AEM's UEGO"
but whats a "wideband gauge like AEM's UEGO"
Feb 25, 2005, 04:21 AM
#6
Evolved Member
I would say fuel pressure. Your car has a low oil pressure light from the factory and by the time you notice somethings wrong it's too late. At least with fuel pressure you can see if the factory fuel pump is going out before you ping your way into an engine rebuild.
Feb 25, 2005, 05:28 AM
#7
Well, you've got problems if either one drops, but the oil pump will probably be more reliable than the fuel pump over time.
I'm selling a Defi D fuel pressure gauge and a part that you'll need for a painless install on the stock fuel rail. I've never used the gauge. I just test fit it and never got around to hooking it up. I'm trying to declutter my dash, so I'm selling it if you are interested.
I'm selling a Defi D fuel pressure gauge and a part that you'll need for a painless install on the stock fuel rail. I've never used the gauge. I just test fit it and never got around to hooking it up. I'm trying to declutter my dash, so I'm selling it if you are interested.
Trending Topics
Feb 25, 2005, 06:25 AM
#8
Evolving Member
iTrader: (1)
Join Date: Feb 2004
Location: Sweden
Posts: 472
Likes: 0
Received 0 Likes
on
0 Posts
Hehe, that’s a bit like asking which is more important, that your heart beats or that your lungs are able to breath You won’t survive the lost of any of them, either fuel pressure or oil pressure.
But as said above you have an oil lamp from factory so a fuel pressure gauge might make more sense only choosing between those two.
I would say that it depends a lot on your level of tuning, for a “stockish” car I would probably install a boost meter to start with, then as you start to modify you could at least keep track of the boost. If you then go stand alone EMS and start to play with ignition timing and fuel an A/F meter and an EGT meter would be high on my list.
Taking this into account I would go for the oil pressure gauge, if you have A/F and EGT you would still see that the engine start to lean out if you lose fuel pressure, probably low oil pressure would go by longer undetected but still give disastrous results, if the warning light is broken that is
You won’t survive the lost of any of them, either fuel pressure or oil pressure.But as said above you have an oil lamp from factory so a fuel pressure gauge might make more sense only choosing between those two.
I would say that it depends a lot on your level of tuning, for a “stockish” car I would probably install a boost meter to start with, then as you start to modify you could at least keep track of the boost. If you then go stand alone EMS and start to play with ignition timing and fuel an A/F meter and an EGT meter would be high on my list.
Taking this into account I would go for the oil pressure gauge, if you have A/F and EGT you would still see that the engine start to lean out if you lose fuel pressure, probably low oil pressure would go by longer undetected but still give disastrous results, if the warning light is broken that is
Feb 25, 2005, 03:28 PM
#9
Newbie
Thread Starter
iTrader: (1)
Join Date: Apr 2004
Location: NY
Posts: 26
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by EVOVII_SWE
Hehe, that’s a bit like asking which is more important, that your heart beats or that your lungs are able to breath You won’t survive the lost of any of them, either fuel pressure or oil pressure.
But as said above you have an oil lamp from factory so a fuel pressure gauge might make more sense only choosing between those two.
I would say that it depends a lot on your level of tuning, for a “stockish” car I would probably install a boost meter to start with, then as you start to modify you could at least keep track of the boost. If you then go stand alone EMS and start to play with ignition timing and fuel an A/F meter and an EGT meter would be high on my list.
Taking this into account I would go for the oil pressure gauge, if you have A/F and EGT you would still see that the engine start to lean out if you lose fuel pressure, probably low oil pressure would go by longer undetected but still give disastrous results, if the warning light is broken that is
You won’t survive the lost of any of them, either fuel pressure or oil pressure.But as said above you have an oil lamp from factory so a fuel pressure gauge might make more sense only choosing between those two.
I would say that it depends a lot on your level of tuning, for a “stockish” car I would probably install a boost meter to start with, then as you start to modify you could at least keep track of the boost. If you then go stand alone EMS and start to play with ignition timing and fuel an A/F meter and an EGT meter would be high on my list.
Taking this into account I would go for the oil pressure gauge, if you have A/F and EGT you would still see that the engine start to lean out if you lose fuel pressure, probably low oil pressure would go by longer undetected but still give disastrous results, if the warning light is broken that is
I'd rather have my heart beating, at least they have respirators to help me breath!
I think I would call my tuning "moderate"? I'm making 320+whp on the stock turbo right now. I don't think i will go EMS yet because converting to speed density won't pass NYS emissions.
Why waste $1,800 to buy and tune an EMS but still retaining the stock MAF? Not to mention that I: a.) have a certain budget so I can't get every gauge out there, b.) don't want a gauge-filled interior
Originally Posted by EVO8LTW
Well, you've got problems if either one drops, but the oil pump will probably be more reliable than the fuel pump over time.
I'm selling a Defi D fuel pressure gauge and a part that you'll need for a painless install on the stock fuel rail. I've never used the gauge. I just test fit it and never got around to hooking it up. I'm trying to declutter my dash, so I'm selling it if you are interested.
I'm selling a Defi D fuel pressure gauge and a part that you'll need for a painless install on the stock fuel rail. I've never used the gauge. I just test fit it and never got around to hooking it up. I'm trying to declutter my dash, so I'm selling it if you are interested.
So basically, 90% of you think fuel pressure should be the way to go? I mean, I've always wanted the UEGO wideband gauge but it's a bit pricey.
(yes i know it's worth the $$) Thanks guys this helped out a lot.
Feb 25, 2005, 03:48 PM
#10
Evolved Member
iTrader: (23)
Join Date: Aug 2003
Location: NC
Posts: 2,041
Likes: 0
Received 0 Likes
on
0 Posts
Oil pressure is the most important gauge you can buy. Don't let anyone tell you different. Oil is the blood (read: life) of your car. Also, IMHO, an EGT gauge is more useful than a AFR gauge.
Feb 25, 2005, 03:56 PM
#12
Evolved Member
iTrader: (23)
Join Date: Aug 2003
Location: NC
Posts: 2,041
Likes: 0
Received 0 Likes
on
0 Posts
You can read some more about gauges here:
https://www.evolutionm.net/forums/sh...mportant+gauge
https://www.evolutionm.net/forums/sh...mportant+gauge
https://www.evolutionm.net/forums/sh...mportant+gauge
https://www.evolutionm.net/forums/sh...mportant+gauge
https://www.evolutionm.net/forums/sh...mportant+gauge
https://www.evolutionm.net/forums/sh...mportant+gauge
Feb 25, 2005, 04:24 PM
#13
Newbie
Thread Starter
iTrader: (1)
Join Date: Apr 2004
Location: NY
Posts: 26
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by oguratevo
if you have light mods(cat-back, drop-in filter), go for the oil pressure gauge.
Another reason, I THINK my Walbro FP is faulty/going out so I wanted to monitor if there's any irregular activities w/ it. That goes for my future fuel pumps too so it wouldn't be just a right-now mod. lol the last couple posts made me rethinked a little.
Feb 25, 2005, 06:06 PM
#14
Originally Posted by Raman
Yes I'm interested since i'm already using a Defi D boost gauge. I'll pm you later about the price.
Originally Posted by Raman
So basically, 90% of you think fuel pressure should be the way to go? I mean, I've always wanted the UEGO wideband gauge but it's a bit pricey.
(yes i know it's worth the $$)
(yes i know it's worth the $$)