Gif Built Buggy

[tony]

Nice

[M4wdFab]

thats a big bar for that roof!

[gif]

ya,    i need to put some protection around it.  mostly to keep the trees off it

[gif]

light bar protection install complete

[gif]

found a cracked rim after my last outing at RC   

[gif]

Planned upgrades for this pig:

1) PSC Power Steering Pump -  1500 PSI / High Flow

factory pump is dying/dead     cant find a good source for the P185 pump   
figured its time to step it up

http://www.polyperformance.com/PSC-80-Up-Dodge-GM-Hi-Performance-P-Pump-w-o-Remote-Feed-Can


2) Stewart Stage 1 High Flow water pump and High Flow 180 thermostat

Looking for better cooling on full throttle assaults.
may also incorporate electronic thermostat to engage high speed cooling fan
 


http://stewartcomponents.com/index.php

Flow in GPM (Gallons Per Minute)
RPM    Competitors Pump    Stewart Stage 1
1000    17                              18
1500    25                              32
2000    34                              42
2500    42                              55
3000    51                              65
3500    59                              77
4000    68                              90
4500    76                            101
5000    85                            112
5500    93                            122
6000    102                            132
6500    110                            138
7000    119                            148
7500    127                            157
8000    139                         158



3) New 1-1/8" bore, brake master cylinder for more volume.  ( less pedal travel )    was 1" bore

also adding mechanical stop to brake pedal to stop pedal stroke before bottoming out master cylinder bore.
 
i have found that in a panic stop situation the brake booster allows for enough force to bottom out the master cylinder.


4) heat shield to block heat soaking from coolant fan blowing on the fuel cell.

only a small part of the cell is exposed to the fan,   however i have noticed a pressurized fuel cell spitting gas out the vent tube.


All parts sitting on the work bench.

[JEEPWERX]

Sounds good.

Question about brake system volume?
Can you achieve more volume to the calipers by increasing brake line diameter?
Or swapping in 1/2 ton calipers on the 60?


Sent from my SM-N910V using Tapatalk

[M4wdFab]

brake line diameter doesn't mean anything.  some claim excessive flex line or low quality rubber line eats up volume because of bulge.

smaller diameter pistions on the calipers would be more travel but less force.  i changed to 1/2 on the 60 front and dont see a difference.  i do notice my rear brake pads are wearing 4X as fast as front. 

[JEEPWERX]

What is more efficient in a hydralic brake system?
Velocity or volume?

Smaller lines should flow less volume but more line pressure?
And vice Versa?
Just curious.
Need to address 2 pumps necessary on buggy system.



Sent from my SM-N910V using Tapatalk

[M4wdFab]

forget about efficient and velocity.  a braking system is basically a static system in our use.  yes there are things like heat and cavitation but ignore that for now....


pressure is Force / area is all you need to know.  with a MC, you have stroke and bore.  we run E350 MC that have 1 3/8" bore and about 1/2" longer stroke than the corvette MC.  your brake pressure is determined by petal force / bore area... your stroke x bore area is your volume you can push at that pressure to your calipers.   There are many "areas" you can adjust to change any of these things.   bore, stroke, petal geometry, caliper sizes, booster or non booster, ect. 


Hose diameter does not effect any of these things (negligible).  a 3/16 dia brake line has more than enough volume to work on any of our systems with out causing restrictions that would slow up "petal feel" or create excessive heat. 



2 pumps? are you talking fuel now?

[CJ]

Our buddy DJ hay a hydro boost system, it's sick. Can lock up all 4 40's at any speed.

[mr.mindless]

If you have to pump the pedal you have pads backing off for some reason (warped rotor, loose wheel bearing, sloppy slides) or trapped air.


Tapatalking in traffic

[gif]

you have a part number for that E350 MC?

forget about efficient and velocity.  a braking system is basically a static system in our use.  yes there are things like heat and cavitation but ignore that for now....


pressure is Force / area is all you need to know.  with a MC, you have stroke and bore.  we run E350 MC that have 1 3/8" bore and about 1/2" longer stroke than the corvette MC.  your brake pressure is determined by petal force / bore area... your stroke x bore area is your volume you can push at that pressure to your calipers.   There are many "areas" you can adjust to change any of these things.   bore, stroke, petal geometry, caliper sizes, booster or non booster, ect. 


Hose diameter does not effect any of these things (negligible).  a 3/16 dia brake line has more than enough volume to work on any of our systems with out causing restrictions that would slow up "petal feel" or create excessive heat. 



2 pumps? are you talking fuel now?

[M4wdFab]

i have a corvette 1 1/8 bore MC

Going to try to get Dorman M39324 which is chevy 1.25" bore

or M390530 which is ford 1.375" bore

found cardone 10-1584 with a 1.330 bore for 24$ at advance

gona try it.

[gif]

cast 2229071   101584 (reman)  131584 (new) — 1986-74 CHEVROLET/GMC TRUCKS
Bore 1.3125

thats a nice find

might try that next

i have a corvette 1 1/8 bore MC

Going to try to get Dorman M39324 which is chevy 1.25" bore

or M390530 which is ford 1.375" bore

found cardone 10-1584 with a 1.330 bore for 24$ at advance

gona try it.