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General Discussion
Improve Hydroboost Brakes
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<blockquote data-quote="JEEPKEVIN" data-source="post: 763532" data-attributes="member: 13136"><p>I have a GM Hydroboost and master from an 05' 2500 gas truck. I have a Kingpin 60 front with factory calipers and a 14 bolt rear with the Lugnut dana 44 brake kit. I installed a Wilwood prop valve for the rear. On a dirt road in 2wd i adjust prop valve to keep rear from locking up first. I'm a 5.3, 4L60, Atlas 5.0 and 4.56 gears. Brakes are not bad but do take some pretty good pressure when dropping off ledges. If I turn down the prop valve to improve rear brakes I can get them to drag just a little bit with no pressure on the pedal. I have the oem push rod which is 3.14". I have the PSC full hydro, CBR pump, big single ended ram, and I did go back and port the Hydroboost which dropped temps in the system but had no effect on steering or brakes. Per my temp stickers, I run 150 degrees pretty consistent. Have big cooler and fan. Steering is great, brakes are ok for a guy, bit much for a girl.</p><p></p><p>I'm trying to get a little less pressure on the pedal. My wife really enjoys driving the buggy but the pedal pressure is just a bit too much for her. </p><p></p><p>I'm wondering if pushrod length is wrong due to me getting a little brake drag? If i swap to the Dana 44 front calipers would this give me less effort? </p><p></p><p>Looking for direction on what I should check or change.</p><p></p><p>Thanks for your advise!!!</p></blockquote><p></p>
[QUOTE="JEEPKEVIN, post: 763532, member: 13136"] I have a GM Hydroboost and master from an 05' 2500 gas truck. I have a Kingpin 60 front with factory calipers and a 14 bolt rear with the Lugnut dana 44 brake kit. I installed a Wilwood prop valve for the rear. On a dirt road in 2wd i adjust prop valve to keep rear from locking up first. I'm a 5.3, 4L60, Atlas 5.0 and 4.56 gears. Brakes are not bad but do take some pretty good pressure when dropping off ledges. If I turn down the prop valve to improve rear brakes I can get them to drag just a little bit with no pressure on the pedal. I have the oem push rod which is 3.14". I have the PSC full hydro, CBR pump, big single ended ram, and I did go back and port the Hydroboost which dropped temps in the system but had no effect on steering or brakes. Per my temp stickers, I run 150 degrees pretty consistent. Have big cooler and fan. Steering is great, brakes are ok for a guy, bit much for a girl. I'm trying to get a little less pressure on the pedal. My wife really enjoys driving the buggy but the pedal pressure is just a bit too much for her. I'm wondering if pushrod length is wrong due to me getting a little brake drag? If i swap to the Dana 44 front calipers would this give me less effort? Looking for direction on what I should check or change. Thanks for your advise!!! [/QUOTE]
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