04 ST 3lt auto, not enough Mods to keep me happy, but getting there
OK. Fitted the Boost Gauge on Saturday ...
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and unlit ...
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threedogs (19th March 2017)
Made myself a QED heatsink for the aux battery to protect it from the turbo heat this arvo ...
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and
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The heatsink sits off the battery holder so there's a small air gap (5mm) between the battery holder and the alloy sheet. It should make a difference and it's a QED product ;-)
Last edited by 10G; 12th March 2017 at 05:48 PM.
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To wrap this adventure up .....
With the help of @bigguwesty the Dawse & needle valves were installed on Saturday. It's real nice to watch the boost gauge sit steadily at a certain value and not go up and down like a darn yo-yo. Throttle response is improved as well and so is spool up time, the latter affecting the former no doubt.
It's probably just me, but it felt like the motor was more stable while driving and also at idle.
Thanks to @bigguwesty for all his help and patience trying to explain this 'dark art' to me, much appreciated mate.
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BigRAWesty (19th March 2017), threedogs (19th March 2017)
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so I now have my gauges fitted, only took the auto elec... 4 days and $800 still better than getting them done at ARB or TJM lol.
ok so I've got one major problem and after spending all day reading I'm starting to get confused:
problems
#1 egt hit 650 at 100ks on a flat straight,
#2 boost stayed around 4-6psi constantly apart from the odd occasion where it would climb to 10-12psi; so this I think is the priority as fixing this should effect egt's anyway. so this is were the CONFUSED part comes into play, can someone explain to me how the needle valve works and what effect it has on a stienbauer performance chip if any????
I will be going on a 3500k trip in the a few weeks but I only have one week at home before than so really need to get my head around this.
cheers Warwick
edit: and yes ive used the search function and yes I've read other post.
Last edited by Warwick89; 19th March 2017 at 05:47 PM.
Ok after checking all hoses I'm certain that there is no cracking or leaks, although I desperately need a catch can.
@Warwick89, I'm far from being an expert in this area, but I suggest your high egts are due to low boost.
Have you mentioned what you've had done? I can see you have 3 gauges, did you get a dawse and needle valve installed?? If yes, I'd suggest your dawse valve needs to be screwed in a bit if your gauge contstantly shows only 4-6 psi, that's crazilly way too low. Try by screwing it in 1 turn and see how much more boost you get, if not, try 2 and see etc etc etc. Just beware that boost increases exponentionally so it'll be low, then all of a sudden way high.
Also, try starting your own 'help' thread, it may attract a few more eyeballs.
Good luck.
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X 2 you need to increase your boost it is way to low,
Needle valve has nothing to do with your chip.
Have you noticed if your IC is oily?? if yes then
its leaking and will required a fully tigged and tested
IC
04 ST 3lt auto, not enough Mods to keep me happy, but getting there
@10G sorry I had a few under my belt by the stage I wrote that.
I haven't installed a needle and/or dawes valve yet that was going to be my solution to the low boost issue I noticed after fitting the three gauges last week. my main worry was that the dawes and needle valve would effect the chip and tune in some way?? i am unaware of the relationship between them and the chip and tune.
So went for another drive this morning after replacing a dead crank battery and boost was roughly as follows:
12-14psi from 0-60kmh @2500rpm
6psi cruising at 60kmh @1800rpm
12-14psi while increasing speed to 80kmh @2500rpm
8-10psi at 80kmh cruising @2000rpm
boost was very minimal at lower speeds???
couldn't get 100kmh readings because traffic blocked up in cairns only 100km zone lol
ALSO egt's for all above were around 450-500deg