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gumby 28-01-2007 03:52 PM

Boosting issues
 
Ive noticed over the last few days my car isnt always boosting to 13 - 14psi like it normally does.

Today I just went for a drive and its only boosting to 10.5 - 11.5psi.
Any suggestions on reasons and thing I should take a look at?

The car is a MY02 and it completely stock (except a boost gauge - Apexi)

Mister Two 28-01-2007 04:10 PM

Its hot out there, that can sometimes reduce your boost pressure. Just like on cold nights you get boost spikes and slight increases, it can sometimes work in reverse on a hot day.

Go for a drive early in the morning when the air temps are still cool and see how you go.

gumby 28-01-2007 04:17 PM

[QUOTE=Mister Two]Its hot out there, that can sometimes reduce your boost pressure. Just like on cold nights you get boost spikes and slight increases, it can sometimes work in reverse on a hot day.

Go for a drive early in the morning when the air temps are still cool and see how you go.[/QUOTE]
Cheers, Ill try that

XKLUSIVWRX 28-01-2007 08:01 PM

its the absurdly hot weather. happens to my rex last time when hot weather. its pretty normal

chee 28-01-2007 09:25 PM

the air in this hot weather lacks density compared to the winter months. so the turbo has to work harder to meet the boost target.

tuna 28-01-2007 09:40 PM

also increases your chances of detonation, especially on tunes which havnt had air-temp correction factored in.

joey89 28-01-2007 10:12 PM

Definatly the hot weather dude!

Mines doing the exact same thing :(

depresso 29-01-2007 11:47 AM

indeed its the hot weather
friday night i was only hitting 1.12bar when its set to 1.2bar

wow! not alot of difference there but still lol :P

when its very cold my AVC-R will read 1.22-1.23bar so its doing its job quit well and limiting spikes :)

Rex-io 29-01-2007 12:50 PM

I wonder if anyone could do a Dry Ice box just before the air filter to reduce the air intake temps....one for the Myth Busters?

pmh 29-01-2007 12:55 PM

there's a kit you can buy on the market to do that.
it looks a lot ricey than anything else
unless you live in a place where temperatures are like this the majority of the time, its an overkill
the engine bay isn't exactly a spacious place where you can just plonk the kit. sometimes, its hard enough to find a decent place to put an oil/air separator.


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