wyomingwarrior:
Make sure you get the 11/16" for the dual caliper application. I looked at the same set (I think) but decided to go with the HHI control but in 9/16" cause I'm going down to a single caliper in the front. Here's a link for the one's I looked at... not sure what price you were quoted... maybe this are cheaper?
Joker: http://www.phatperformanceparts.com/ProductDetails.asp?ProductCode=0611%2D0017
The stock Warrior Master Cylinder (MC) is 14mm bore = 0.5512" diameter
If retaining the OEM dual frt calipers you'll want the 9/16" bore = 0.5625" diameter which is slight larger than the stock MC.
With a single 4-piston OEM caliper you'll want a smaller bore yet than 9/16" to increase the psi at the caliper. Other considerations would be to install a single 6-piston ISR unit to regain braking. Also, consider a radial MC and other high performance brake products to regain your losses!
Some early & Late Topics on this subject: Increase braking power http://rswarrior.com/forums/p/21012/326061.aspx#326061 , http://rswarrior.com/forums/p/21012/326063.aspx#326063 , http://rswarrior.com/forums/p/21012/326065.aspx#326065 and also this by Frankenstein: http://www.fxstein.com/blog/index.php?op=ViewArticle&articleId=57&blogId=1
Opinions wanted on front break setup http://rswarrior.com/forums/p/115457/938496.aspx#938496
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