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Old 10-12-2011, 04:03 PM   #1
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Default Wilwood prop valve settings?

I'm sorry to ask such a dumb question but I am really going to be limited on my ability to adjust the brake bias on my car before track time and just thought someone with a similar setup might be able to ball park me. I have corrado rotor fronts and 1.8 rears with HP plus pads (chew up rotors on my civic but otherwise work great), will be running nt-01's at the track. Hoping for dry pavement. I will be doing some adjustment, obviously, but can anyone tell me how many turns they generally use?
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Old 10-12-2011, 04:12 PM   #2
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i bet you end up with full rear bias.

you can tune this within ten minutes.
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Old 10-12-2011, 04:52 PM   #3
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5 half turns from "open" is where I started on your set-up.
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Old 10-12-2011, 06:08 PM   #4
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Great, thank you.
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Old 10-12-2011, 06:23 PM   #5
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I'd end up at full rear bias with that setup assuming wilwood/corrado fronts.

Wasnt till I put sport calipers on the rear that I could actually get sketchy levels of rear bite with adjusting the bias valve.

Bob
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Old 10-12-2011, 07:15 PM   #6
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Just with 1.8 stock brakes and XP 10's all around I had to puts sport rear calipers on to get off full open on the prop valve!
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Old 10-13-2011, 02:20 PM   #7
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Quote:
Originally Posted by Alta_Racer View Post
Just with 1.8 stock brakes and XP 10's all around I had to puts sport rear calipers on to get off full open on the prop valve!
Ditto,

Probably the best cheapest upgrade to braking if your running stock 1.8 rears is to just buy some line couplers and remove all rear proportioning or maybe gut a stock valve.

Bob
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Old 10-13-2011, 02:31 PM   #8
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I was ok on rear bias with XP8 all around, corrado fronts and OEM 1.8 rears. With the (old) TSE wilwood kit using corrado fronts, XP10 and OEM 1.8 rear w/ XP8, I run the propvalve nearly full open (full rear) and could use more. Sourcing an M-tuned rear upgrade or sport brakes now.
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Old 10-13-2011, 03:04 PM   #9
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I also removed the Ebrake from the rear calipers, I had to slightly clearance the backing plates on the pads to fit the stock 1.8 brackets.

IMG_0112.jpg?t=1307383291







I should really do a separate post to show all my mods together, but I think all the pics are posted here and the booster thread now.
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Old 10-13-2011, 06:46 PM   #10
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Quote:
Originally Posted by Alta_Racer View Post
I also removed the Ebrake from the rear calipers, I had to slightly clearance the backing plates on the pads to fit the stock 1.8 brackets.









I should really do a separate post to show all my mods together, but I think all the pics are posted here and the booster thread now.
I am running sport calipers with 1.6l brackets on 11.44" rear rotors. Had to grind the caliper a bit to get the 1.6l pads to fit. Similar location to what you clearance on your 1.8l pads.

Bob
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Old 10-13-2011, 06:53 PM   #11
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I'm missing something Bob. How do you fit the caliper over that huge rotor with a 1.6 bracket?
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Old 10-13-2011, 07:39 PM   #12
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Quote:
Originally Posted by Alta_Racer View Post
I'm missing something Bob. How do you fit the caliper over that huge rotor with a 1.6 bracket?
relocation brackets.



http://www.cardomain.com/ride/737924...ta-mx-5/page-2

Bob
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Old 10-13-2011, 10:37 PM   #13
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Your 1.8 rear calipers plus this and add some sport rotors -
Rear kit allows you to install 10.84" Miata factory Sport Brake Rotors to replace the OEM Miata 9.89" rotors.

Now I can finally start getting some good braking in the rear 1.8 vs sports:
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Wilwood prop valve settings?-mtuned_rear_brk.jpg   Wilwood prop valve settings?-img_20110926_153625.jpg  
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Old 10-14-2011, 12:58 AM   #14
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Quote:
Originally Posted by GeneSplicer View Post
Your 1.8 rear calipers plus this and add some sport rotors -
Rear kit allows you to install 10.84" Miata factory Sport Brake Rotors to replace the OEM Miata 9.89" rotors.

Now I can finally start getting some good braking in the rear 1.8 vs sports:
The sport rear calipers also have 1.375" pistons instead of 1.25" they worth again as much additional bite as the rotor size differance makes.

Bob
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Old 10-14-2011, 09:21 PM   #15
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That I dont have
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