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Ye will take off intercooler piping and hoses and check for any leaks.. it will boost upto 2000rpm but after that it drops off to nothing.. wouldnt be suprised if ive split either a hose or intercooler as i was running pretty high boost at arnd 27psi...
Well I found time to look into why I'm losing boost.. Hoses and pipes looked alright as did intercooler... But thought I'd pull intercooler off to double check and next minute bubbles... Haha well I guess it was gona happen sooner or later running that much boost... Now time to get me a replacement...just gona go with a factory replacement with the end tanks tigged up...
So you remove intercooler... tape up both ends... put it in a tub of water.. then preasurise it using either a bike pump or in my case an air gun making sure to only feather the trigger... then look for bubbles... if its hrd to push dwn into the water and wants to float or u cant see any visible bubbles its good.. or in my case if it bubbles and gets heavy frn water getn inside then shes leaking..lol..
When testing i usually dip the flush taped end dwn into the water first and preasure the bent end up the top that way ur not putting the sensor into the water...
Good luck with ur intercooler mate...i went for a quick drive arnd the block... first time i seen my egts go over 400... so it does go to show that the more boost the lower ur egts...
With MR possible hose split or from running big boost split the IC open a bit more.
You can remove the IC and check in water with a bike pump, make sure its dry before you replace
it a hair dryer will help.
At Mudski MH is running a HPD Maf housing, you mentioned a
while back they should eliminate all over boost probs?
The hpd housing doesn't eliminate over boost issues. It simply allows you to overboost.
Good to see the op has found the issue.