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Old 11-25-2015, 04:13 PM   #1  
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Default HELP...Wilwood Brake proportioning valve install...

I bought the Wilwood brake proportioning valve from 949 racing. The adapters for the front lines work fine. The adapters included with the valve are incorrect. I think I need 1/8 NPT to 10mm adapters. Am I correct.
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Old 11-25-2015, 07:22 PM   #2  
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If I remember right you don't need adapters on the front, the adapters are for the actual prop valve. The front line just bolts right up to the supplied pass through fitting...
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Old 11-25-2015, 07:37 PM   #3  
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Which version did you order?

Prop valve comes with 1/8 NPT to 3/8-24 IF female adapters and will not connect to Mazda brake system without our adapters. Mazda brake lines are metric 10mm x 1.0 inverted flare.

The optional SuperMiata adapter kit includes one 10mm union and two 1/8 NPT to 10mm inverted flare adapters which allows you to install in 90-05 Miata without bending or fabricating custom hardlines. Fittings are all brass to insure a perfect seal without requiring over-torquing.
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Old 11-25-2015, 08:19 PM   #4  
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I bought the $50 kit. There was the union and two adapters. So I installed the adapters on the union. Guess I need to uninstall those.
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Old 11-25-2015, 08:31 PM   #5  
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The union fitting is metric female threads. You just put it in-line with the front lines to replace the factory proportioning block. The male/female adapters are for the in/out ports on the new prop valve.
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Old 11-25-2015, 09:32 PM   #6  
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Thanks, got it installed. From what I've read all the way in is full pressure to the rear. So is half way closed a good place to start?

Last edited by wannafbody; 11-25-2015 at 10:02 PM.
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Old 11-26-2015, 02:08 PM   #7  
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As good a place as any. You need to get it out to the track and do some threshold braking to set it.
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