Author Topic: Cheapest way to improve breaking  (Read 3713 times)

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Offline jfrabat

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Cheapest way to improve breaking
« on: October 01, 2009, 03:37:06 PM »
OK, guys, I know I've gone through this one a coupe of times, but here's the deal; after not driving my Jeep for about a month, I drove it today and now more than ever I feel my brakes are lacking...  As some of you remember, I have changed the master, the booster, calipers, rotors and pads already; I even added a vaccuum reservoir for the boosted, and still no big difference.  Is there a cheap way to have a big boost in braking performance?  Or do I have to go with the Econoline booster and TJ master (or was it the other way around?) for it to work?

Felipe
'94 YJ 2.5L with 4" RE lift, Superwinch EPi9.0, FoMoCo e-Fan, SD30 and SD35 w/ARB-5.13, 165A alt., 33" BFG KM2 on 15" AR wheels, Sony sound system, Pavement Ends Hardtop, Hydroboost

Offline aw12345

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Re: Cheapest way to improve breaking
« Reply #1 on: October 01, 2009, 03:43:43 PM »
About the only fairly easy mod that helps after a bigger booster and master is adding rear disc brakes. They do make a reasonable difference over the stock drum brakes
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Offline FourbangerYJ

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Re: Cheapest way to improve breaking
« Reply #2 on: October 01, 2009, 03:58:13 PM »
What kind of pads are you running?
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Offline Jeffy

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Re: Cheapest way to improve breaking
« Reply #3 on: October 01, 2009, 04:12:10 PM »
How are they lacking?
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Offline aw12345

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Re: Cheapest way to improve breaking
« Reply #4 on: October 01, 2009, 04:32:07 PM »
I bet they are lacking in the emergency stop department
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Offline chrisfranklin

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Re: Cheapest way to improve breaking
« Reply #5 on: October 01, 2009, 04:54:04 PM »
I'd say just don't drive too fast, Felipe. 

If you factor the stopping power in to how you drive, it should be manageable (not saying it'd be fun or ideal, just manageable).  Somehow people survived driving the first Corvettes and Muscle cars and most of those didn't break for $hit either  :lol:
'94 YJ S 5spd, Borla Exhaust, CarSound Cat., PS Ceramic-coated Headers, Airraid intake, 62mm TB, Intake Manifold bored/ceramic-coated, 19lb injectors, Sharp's Adj. FPR, MeanGreen Starter, D30 Aussie locker, 31" Destination MTs, Warn XD9000, Cibie headlights, armor

Offline Jeffy

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Re: Cheapest way to improve breaking
« Reply #6 on: October 01, 2009, 05:23:06 PM »
I bet they are lacking in the emergency stop department
Well, that's pretty broad.  Are they fading?  Are they locking up too early?  Are the rears locking up at all?  How are you applying the brakes?  Stomp on it then hope and pray?  Are you letting up as they lock up? etc...
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Offline jfrabat

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Re: Cheapest way to improve breaking
« Reply #7 on: October 01, 2009, 05:32:36 PM »
What kind of pads are you running?

Hawk pads (the green ones; LTS?)
How are they lacking?

When breaking hard, they just dont bite enough...

Well, that's pretty broad.  Are they fading?  Are they locking up too early?  Are the rears locking up at all?  How are you applying the brakes?  Stomp on it then hope and pray?  Are you letting up as they lock up? etc...

They are simply not capable of locking; in fact, far from it, which means I cannot do any kind of hard stopping...
« Last Edit: October 01, 2009, 05:34:25 PM by jfrabat »
'94 YJ 2.5L with 4" RE lift, Superwinch EPi9.0, FoMoCo e-Fan, SD30 and SD35 w/ARB-5.13, 165A alt., 33" BFG KM2 on 15" AR wheels, Sony sound system, Pavement Ends Hardtop, Hydroboost

Offline chrisfranklin

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Re: Cheapest way to improve breaking
« Reply #8 on: October 01, 2009, 05:34:53 PM »
I'd say just don't drive too fast, Felipe. 

If you factor the stopping power in to how you drive, it should be manageable (not saying it'd be fun or ideal, just manageable).  Somehow people survived driving the first Corvettes and Muscle cars and most of those didn't break for $hit either  :lol:

I said break (huh huh)

Felipe, you have stainless steel brake lines on there, right?  That firmed things up a lot for me.  I like the pedal feel better with DOT4 synthetic brake fluid also.   
« Last Edit: October 01, 2009, 05:42:56 PM by chrisfranklin »
'94 YJ S 5spd, Borla Exhaust, CarSound Cat., PS Ceramic-coated Headers, Airraid intake, 62mm TB, Intake Manifold bored/ceramic-coated, 19lb injectors, Sharp's Adj. FPR, MeanGreen Starter, D30 Aussie locker, 31" Destination MTs, Warn XD9000, Cibie headlights, armor

Offline jfrabat

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Re: Cheapest way to improve breaking
« Reply #9 on: October 01, 2009, 05:37:17 PM »
I'd say just don't drive too fast, Felipe. 

If you factor the stopping power in to how you drive, it should be manageable (not saying it'd be fun or ideal, just manageable).  Somehow people survived driving the first Corvettes and Muscle cars and most of those didn't break for $hit either  :lol:

I take it you have not seen how latin people drive...  You NEED braking because you have to drive about 2 feet of the car in front of you when moving and stop 6 inches from them (otherwise, so many people cut you off, that you will never get there).
'94 YJ 2.5L with 4" RE lift, Superwinch EPi9.0, FoMoCo e-Fan, SD30 and SD35 w/ARB-5.13, 165A alt., 33" BFG KM2 on 15" AR wheels, Sony sound system, Pavement Ends Hardtop, Hydroboost

Offline chrisfranklin

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Re: Cheapest way to improve breaking
« Reply #10 on: October 01, 2009, 05:41:41 PM »
I take it you have not seen how latin people drive...  You NEED braking because you have to drive about 2 feet of the car in front of you when moving and stop 6 inches from them (otherwise, so many people cut you off, that you will never get there).

Nah I figured that was the case.  And it probably pays to go with the traffic flow there as with anywhere. 
'94 YJ S 5spd, Borla Exhaust, CarSound Cat., PS Ceramic-coated Headers, Airraid intake, 62mm TB, Intake Manifold bored/ceramic-coated, 19lb injectors, Sharp's Adj. FPR, MeanGreen Starter, D30 Aussie locker, 31" Destination MTs, Warn XD9000, Cibie headlights, armor

st.chevrolet

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Re: Cheapest way to improve breaking
« Reply #11 on: October 01, 2009, 05:47:20 PM »
OK, guys, I know I've gone through this one a coupe of times, but here's the deal; after not driving my Jeep for about a month, I drove it today and now more than ever I feel my brakes are lacking...  As some of you remember, I have changed the master, the booster, calipers, rotors and pads already; I even added a vaccuum reservoir for the boosted, and still no big difference.  Is there a cheap way to have a big boost in braking performance?  Or do I have to go with the Econoline booster and TJ master (or was it the other way around?) for it to work?

Felipe
I have swapped in AWD Astro van hydroboosts I get from Pick&Pulls with the stock YJ MC, way better stopping power. Put one in my friends BBC powered Toyota LC with 4w discs, locks up his 44s with no problem, says that is the best mod he's ever done. Hydroboosts put out three times the braking pressure of vacuum assist units. For info on hydroboost setups go here; www.vancopbs.com/category_s/66.htm



Offline Jeffy

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Re: Cheapest way to improve breaking
« Reply #12 on: October 01, 2009, 05:59:36 PM »
Hawk pads (the green ones; LTS?)
When breaking hard, they just dont bite enough...

They are simply not capable of locking; in fact, far from it, which means I cannot do any kind of hard stopping...
Well at higher speeds, you won't be locking them up.  Actually having them lock up is bad as your brakes are then not working to stop you.  I know even with my stock brakes (except rear 10" drums) I can lock up the front's fairly easily once the speed drops enough.  You can get more bite with a larger master and a dual-diaphragm booster.  The booster would be from a TJ and the master from an E350.

If you need more then that then really your only other choice is hydro-boost.  You could also go with ZJ dual piston front calipers as well but otherwise, you're limited by the size of your axles and wheel dia..
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BarneyJeep

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Re: Cheapest way to improve breaking
« Reply #13 on: October 01, 2009, 06:07:37 PM »
WJ steering conversion will take care of the front brakes too.....

larger rotors (Ford Sportrac front rotors), and dual piston Grand Cherokee Calipers, then use EBC pads.
 
-OR-

Vanco Big Brake Kit

either way as with most safety equipment...you get what you pay for...

Good brakes aren't cheap...

Offline sharpxmen

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Re: Cheapest way to improve breaking
« Reply #14 on: October 01, 2009, 07:57:41 PM »
I have swapped in AWD Astro van hydroboosts I get from Pick&Pulls with the stock YJ MC, way better stopping power. Put one in my friends BBC powered Toyota LC with 4w discs, locks up his 44s with no problem, says that is the best mod he's ever done. Hydroboosts put out three times the braking pressure of vacuum assist units. For info on hydroboost setups go here; www.vancopbs.com/category_s/66.htm


that's a cool mod, i always wanted to do that but didn't see any budget writeup on it and my experience with hydroboost is at zero - are you using the stock p/s pump or did you have to upgrade that as well? what was the extend of the mods you had to do to have the hydroboost installed? do you have any pics of your install?
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