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The mkiv Supra Owners Club

Restrictor ring


jackso11

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Is it for a Jspec?

 

Best option is to get a 1 bar restrictor ring and up the boost to what you want with a boost controller as you then have the control based on what the weather is doing. My Jspec tended to over boost 1.3 + in the cold weather with just a 1.2 bar restrictor ring in it.

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I have one.

 

I bought one from Paul Whiffin ages ago but didn't get round to fitting it, then lost it and bought another. Had the second one fitted and found the first.

 

I'm currently peaking at around 1.1 now, was getting about 1.35 without one.

 

£10 posted?

 

They're about £16 posted from Whifbitz.

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