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Boost gauge noise?
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Boost gauge noise?
Installed a VDO 0-30psi boost gauge on a TD.
When off boost (and also slowing down) I get an internal rattle/ticking in the gauge. When accelarating (and boost is climbing) or sitting at a steady speed then it goes away.
I think that it must be engine noise being transferred through the tube??? Anyone else had this?
When off boost (and also slowing down) I get an internal rattle/ticking in the gauge. When accelarating (and boost is climbing) or sitting at a steady speed then it goes away.
I think that it must be engine noise being transferred through the tube??? Anyone else had this?
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RUFF wrote:Beally STFU Your becoming a real PITA.
Yep, mine does the same. Like you i guess it's either engine noise or pressure pulses vibrating the inside of the gauge.
I have heard you can get a restrictor or something to put in the line and stop this but have no other info. I'll be interested if anybody has a fix cos it's pretty annoying but i'm slowly learning to ignore it.
Dave
I have heard you can get a restrictor or something to put in the line and stop this but have no other info. I'll be interested if anybody has a fix cos it's pretty annoying but i'm slowly learning to ignore it.
Dave
I think you'll find the gauge is trying to go into negative (vacuum) territory. Our Cruiser used to do the same thing.
After improving the air intake piping it stopped doing it. If you've got any way of getting the motor to breathe better, K&N, bigger pipes etc, try that.... or a fully sik boost gauge that does positive and negative.....
After improving the air intake piping it stopped doing it. If you've got any way of getting the motor to breathe better, K&N, bigger pipes etc, try that.... or a fully sik boost gauge that does positive and negative.....
I had/have the same issue.
I soldered up the hole in the brass fitting for the boost line(the fitting that goes into the intake crossever pipe) then drilled it out again with 1mm drill bit. Reduced the problem a lot but still does it when I back off the throttle and engine decelerates after being at full boost.
Was really loud initially, but is much quieter and I hardly notice it when it does it now.
Gauge still responds quickly to changes in boost.
I just figured it was pulseing of air pressure through the line? Oxy/acetyline(sp?) guages do the same thing at high flow rates too.
before and after
I soldered up the hole in the brass fitting for the boost line(the fitting that goes into the intake crossever pipe) then drilled it out again with 1mm drill bit. Reduced the problem a lot but still does it when I back off the throttle and engine decelerates after being at full boost.
Was really loud initially, but is much quieter and I hardly notice it when it does it now.
Gauge still responds quickly to changes in boost.
I just figured it was pulseing of air pressure through the line? Oxy/acetyline(sp?) guages do the same thing at high flow rates too.
before and after
THANKS!!!80's_delirious wrote:I had/have the same issue.
I soldered up the hole in the brass fitting for the boost line(the fitting that goes into the intake crossever pipe) then drilled it out again with 1mm drill bit. Reduced the problem a lot but still does it when I back off the throttle and engine decelerates after being at full boost.
Was really loud initially, but is much quieter and I hardly notice it when it does it now.
Gauge still responds quickly to changes in boost.
I just figured it was pulseing of air pressure through the line? Oxy/acetyline(sp?) guages do the same thing at high flow rates too.
before and after
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RUFF wrote:Beally STFU Your becoming a real PITA.
I was to lazy for anything like that .. I zip tied an old neoprene stubby holder around the back of mine ..
Shut it up enough so I could not make it out over the myriad of other noises the dudlux made.
Shut it up enough so I could not make it out over the myriad of other noises the dudlux made.
" If governments are involved in the covering up the knowledge of aliens, Then they are doing a much better job of it than they do of everything else "
Post of the week for mentioning K&N in an ISUZUROVER thread as a solutionBEU77y wrote: K&N, bigger pipes etc, try that.
[quote="greg"] some say he is a man without happy dreams, or that he sees silver linings on clouds and wonders why they are not platinum... all we know, is he's called the stevie.[/quote]
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