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fuel pressure gauges.

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Old 07-07-2008, 10:56 AM
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R5FORD
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Default fuel pressure gauges.

whats the best aguges to go for? one under the bonnet or in car?
Old 07-07-2008, 10:59 AM
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defi one looks good

Last edited by R5FORD; 07-07-2008 at 11:32 AM.
Old 07-07-2008, 11:01 AM
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WTF use is one under the bonnet ?
Old 07-07-2008, 11:12 AM
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xr4x4rs
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i use an autometer one
Old 07-07-2008, 11:13 AM
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Originally Posted by Mike Rainbird
WTF use is one under the bonnet ?

yh i know.. i just thought after i posted this
Old 07-07-2008, 11:17 AM
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I've got a defi in mine - very handy bits of kit!
Old 07-07-2008, 11:21 AM
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yh im going to order a 60mm defi Bf one.. just thinking what other gauge i will need aswell. Mike any other vital gauges i need? i got voltage, oil pressure,boost.

I would have gone for a stack AFR gauge ut they dont make them 60mm.

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Old 07-07-2008, 11:22 AM
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Stack for me
Old 07-07-2008, 11:25 AM
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i've often seen those small ones in the fuel line and wondered what the point is. they will tell you the fuel pressure at idle, but won't tell you if it's being raised on boost when it's most critical and when your fuel pump may not have enough capacity
Old 07-07-2008, 11:27 AM
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I have an SPA one seems to do the job and dont look too flash for the old interior. has peak value and can run a trigger if its too low or too high.
Old 07-07-2008, 11:30 AM
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The good thing about the Defi gauges is that if you buy the Defi boost gauge as well, you can use the fuel pressure differential function. What this does is warn you if the fuel pressure doesn't rise at the same rate as the boost like it should do .
Old 07-07-2008, 11:30 AM
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but they look like a race car when you lift the bonnet pmsl

ive often wondered the point of oil presure gauges,,,,, as when its dropped the engines alread fucked aint it ?

oil temp is good,,, voltage,,,, erm not sure on that tbh cause that tells the battery not the power to the pump/ecu which would be more important im sure

boost is good though as it moves and AFR ( one that works ) is also good
Old 07-07-2008, 11:32 AM
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Originally Posted by Mike Rainbird
The good thing about the Defi gauges is that if you buy the Defi boost gauge as well, you can use the fuel pressure differential function. What this does is warn you if the fuel pressure doesn't rise at the same rate as the boost like it should do .

mike dont tempt me to buy a boost gauge aswell
Old 07-07-2008, 12:00 PM
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Originally Posted by Ginge !
but they look like a race car when you lift the bonnet pmsl

ive often wondered the point of oil presure gauges,,,,, as when its dropped the engines alread fucked aint it ?

oil temp is good,,, voltage,,,, erm not sure on that tbh cause that tells the battery not the power to the pump/ecu which would be more important im sure

boost is good though as it moves and AFR ( one that works ) is also good
Its a very good gauge Ginge, You can see if the oil pressure is to low or not rising with the revs. Imagine if you didnt have the Gauge? you wouldnt know the pressure was low untill it was to late.

My gauge saved my engine atleast once as i noticed the pressure dropping. Turned out the oil return from the turbo was split.
Old 07-07-2008, 12:30 PM
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Originally Posted by Mike Rainbird
The good thing about the Defi gauges is that if you buy the Defi boost gauge as well, you can use the fuel pressure differential function. What this does is warn you if the fuel pressure doesn't rise at the same rate as the boost like it should do .
Learn something new everyday!
Old 07-07-2008, 12:39 PM
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Originally Posted by Ginge !
but they look like a race car when you lift the bonnet pmsl

ive often wondered the point of oil presure gauges,,,,, as when its dropped the engines alread fucked aint it ?

oil temp is good,,, voltage,,,, erm not sure on that tbh cause that tells the battery not the power to the pump/ecu which would be more important im sure

boost is good though as it moves and AFR ( one that works ) is also good
On the Defi's you can set the alarm warning function as high as you want. You are confusing the standard oil light with a proper gauge, as by the time this comes on, your engine is most likely fucked. However, I have my warning set at 2 bar, so this should give me plenty of warning if it goes below this in normal driving. Obviously it is on at idle, but I know that isn't a problem.
Old 07-07-2008, 12:40 PM
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Originally Posted by Yeti Racing
Learn something new everyday!
that not hard tho is it Jase
Old 07-07-2008, 12:55 PM
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Anyone wanna swap a black Defi 60mm fuel pressure gauge brand new, for a white one!
Old 08-07-2008, 12:10 AM
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Originally Posted by Mike Rainbird
The good thing about the Defi gauges is that if you buy the Defi boost gauge as well, you can use the fuel pressure differential function. What this does is warn you if the fuel pressure doesn't rise at the same rate as the boost like it should do .
how cool is that
Old 08-07-2008, 07:48 AM
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Not into these bid defi gauges. Much prefer the normal size ones. Any recommnedations for them?
Old 08-07-2008, 08:08 AM
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Originally Posted by Mike Rainbird
On the Defi's you can set the alarm warning function as high as you want. You are confusing the standard oil light with a proper gauge, as by the time this comes on, your engine is most likely fucked. However, I have my warning set at 2 bar, so this should give me plenty of warning if it goes below this in normal driving. Obviously it is on at idle, but I know that isn't a problem.
mike im not, just stating that most times the presure has dropped in a engine means the engines fucked,,,,,,, ok you find the problem but theres a good chance its too late

ok a few reasons it may help.... but most times its just gonna get you paranoid

ps: yes i have a oil presure gauge in my car anyway

a alarm is a great idea,,,,, but whats the most comon reason for the oil presure to be low ?
Old 08-07-2008, 08:40 AM
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Ginge,
I'm not saying it will save you engine in every scenario, because if it is fucked, it is fucked, you just know about it sooner to perhaps save a catastrphic failure (rod through side of block etc), but certainly in Nash's example, it saved his engine.
Old 08-07-2008, 08:48 AM
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Originally Posted by Mike Rainbird
Ginge,
I'm not saying it will save you engine in every scenario, because if it is fucked, it is fucked, you just know about it sooner to perhaps save a catastrphic failure (rod through side of block etc), but certainly in Nash's example, it saved his engine.

you know what im getting at though, im not arguing,,,, just commenting about the general irony of the oil presure gauge as most times it just tells you bad news
Old 08-07-2008, 09:20 AM
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There is no good or bad news, just news .
Old 08-07-2008, 09:24 AM
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mike when my gauge drops below 2 bar when driving,,,, well its FAR from just news. im gonna cry like a bitch !!!!
Old 08-07-2008, 09:28 AM
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You found me a white 60mm fuel pressure gauge yet Mike?

Come on, chop chop!
Old 08-07-2008, 09:31 AM
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I think Neil A has one in his car that he is thinking of breaking .
Old 08-07-2008, 09:45 AM
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Old 08-07-2008, 09:46 AM
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Originally Posted by Mike Rainbird
I think Neil A has one in his car that he is thinking of breaking .
what use is a broken gauge?
Old 08-07-2008, 09:51 AM
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Originally Posted by Mike Rainbird
There is no good or bad news, just news .
Who's been to see kung foo panda then ??
Old 08-07-2008, 09:58 AM
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Two of us .
Old 08-07-2008, 09:59 AM
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Originally Posted by Mike Rainbird
Two of us .

and me but i fell asleep near the end

that candle blowing out bit with the turtle at the start was fucking hillarious
Old 08-07-2008, 09:59 AM
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Originally Posted by Mike Rainbird
Two of us .
Busted .
Old 08-07-2008, 10:35 AM
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At least I have an excuse - I took my five year old daughter - and yours is?
Old 08-07-2008, 10:36 AM
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hey mike i ALSO took my FOUR year old daughter,,,, she loved it too might i add
Old 08-07-2008, 10:53 AM
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Originally Posted by Mike Rainbird
At least I have an excuse - I took my five year old daughter - and yours is?
I took my 10 yr old son to it,and fell asleep missing the ending.
Old 08-07-2008, 02:01 PM
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It was the best ever ending of all the films you have seen .
Old 08-07-2008, 02:08 PM
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Originally Posted by Mike Rainbird
I think Neil A has one in his car that he is thinking of breaking .
You thought wrong Mike, get searching!
Old 08-07-2008, 02:39 PM
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Originally Posted by Mike Rainbird
On the Defi's you can set the alarm warning function as high as you want. You are confusing the standard oil light with a proper gauge, as by the time this comes on, your engine is most likely fucked. However, I have my warning set at 2 bar, so this should give me plenty of warning if it goes below this in normal driving. Obviously it is on at idle, but I know that isn't a problem.
What's your oil pressure at idle when your oil temp is 108 deg C Mike? ( I figured if anyone knew or kept records it would be you )
Old 08-07-2008, 02:39 PM
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would imagine it must be very low at 108 deg!


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