A couple of years ago, I was en-route in our GMC from Reno, NV (attended a wedding there) back home to Troy, MI via Albuquerque, NM. To add fun and
excitement to the return trip I decided it would be fun to drive through Death Valley as I had never been there. It was April after all and the young
lady at the visitor's center near Lone Pine, California suggested that the drive in a RV would be no trouble in April as trucks do it all the time.
Well the trip down into the valley was way more fun and excitement than I had anticipated. SHE wants no part of that kind of fun in any future trips.
Upon leveling off near sea level the Tire Pressure Monitoring system stated to beep indicating an overheat on the front 2 tires. At the same time I
started to lose quite a bit of braking. Good thing we were level and we had a place to pull over and stop. I got out and found that the newly
installed 80MM calipers were hot enough to smoke. So I figured the DOT 3 brake fluid had been at or near the fluid's boiling point. After I let
things cool, we had normal braking. The rest of the drive through the valley was no problem with brakes but I did have issues with fuel vapor and
ignition that I could describe in a later post. But we did make it back home OK.
During a visit to Dave Lenzi last week to pick up some more parts (his basement is like Disney Land), we discussed my lack of brakes on that trip. He
suggested among other things that I might want to consider DOT 5.1 fluid as it has much higher boiling temperatures than the DOT 3 I had in my system
and was compatible with both DOT 3 and DOT 4 unlike DOT 5.
I am wondering if anyone has an opinion on going to DOT 5.1
Thanks
--
Richard
76 Palm Beach
SE Michigan
www.PalmBeachGMC.com
Coop Roller Cam 455, Howell TBI + EBL, 3.42 FD, Quadra Bag, Macerator, Lenzi stuff, Manny Tranny etc.
excitement to the return trip I decided it would be fun to drive through Death Valley as I had never been there. It was April after all and the young
lady at the visitor's center near Lone Pine, California suggested that the drive in a RV would be no trouble in April as trucks do it all the time.
Well the trip down into the valley was way more fun and excitement than I had anticipated. SHE wants no part of that kind of fun in any future trips.
Upon leveling off near sea level the Tire Pressure Monitoring system stated to beep indicating an overheat on the front 2 tires. At the same time I
started to lose quite a bit of braking. Good thing we were level and we had a place to pull over and stop. I got out and found that the newly
installed 80MM calipers were hot enough to smoke. So I figured the DOT 3 brake fluid had been at or near the fluid's boiling point. After I let
things cool, we had normal braking. The rest of the drive through the valley was no problem with brakes but I did have issues with fuel vapor and
ignition that I could describe in a later post. But we did make it back home OK.
During a visit to Dave Lenzi last week to pick up some more parts (his basement is like Disney Land), we discussed my lack of brakes on that trip. He
suggested among other things that I might want to consider DOT 5.1 fluid as it has much higher boiling temperatures than the DOT 3 I had in my system
and was compatible with both DOT 3 and DOT 4 unlike DOT 5.
I am wondering if anyone has an opinion on going to DOT 5.1
Thanks
--
Richard
76 Palm Beach
SE Michigan
www.PalmBeachGMC.com
Coop Roller Cam 455, Howell TBI + EBL, 3.42 FD, Quadra Bag, Macerator, Lenzi stuff, Manny Tranny etc.