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The mkiv Supra Owners Club

No Restrictor ring


flukey-lukey

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Thought on this please...

 

I have a blitz nur spec, whifbitz decats and RR, was making 0.8 bar at first, then filed the RR down a bit and made nearly 1bar. Then I took the RR out completely and made a steady 1.1bar.

 

Maybe I'm leaking a bit of boost somewhere? intercooler pipes maybe?

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I'm no expert i would agree boost leak, i would suggest you put the RR back(if it is a boost leak you may now have over filed it, i think 2" is 1.2bar approx) & check for a leak, see if any hoses are perished.

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Maybe I'm leaking a bit of boost somewhere?

 

Maybe not. A few people's cars on here don't overboost with no RR including mine. I only get 0.7bar with a 1.2bar RR in yet with EBC input the car boosts fine up to 1.2bar. Has it always been like this?

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I'm no expert i would agree boost leak, i would suggest you put the RR back(if it is a boost leak you may now have over filed it, i think 2" is 1.2bar approx) & check for a leak, see if any hoses are perished.

 

I doubt any of the intercooler hoses have perished as its a brand new fmic etc, no obvious sign of any leaks anywhere else and was seeing a consistant 0.8 -0.9 bar before fitting the decats.

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Maybe not. A few people's cars on here don't overboost with no RR including mine. I only get 0.7bar with a 1.2bar RR in yet with EBC input the car boosts fine up to 1.2bar. Has it always been like this?

 

Ahh glad I'm not the only one :)

 

My RR measured 52mm and I was seeing around 0.8-0.9bar, took it out and now I'm seeing a constant 1.1bar

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