Unscientific brake test

[jeanne penrod]

Coach was fitted w 80mm Calipers and Carbon metalic pads.Pads were bedded
in per inastructions to a point,i.e.5 stops from 10 mph,then 5 stops from
25 mph,at that point I DID NOT,REPEAT DID NOT,let the pads and rotors cool
for 1 hour.Proceeded to new test area No Traffic Florida flat.Stop 1-248'
Stop-2 240' Stop 3-220" . Stop 3 was actually 4,missed the mark big time!
As you may recall bone stone stock was
270',272',and273'.avg.272.5'Stock.avg 236'w/80mm&carbon met.pads.I'm not to
damn bright,played a lot of football with no hat,but it seems as though I
got about 1 and 1/3 GMC's improvement in stopping distance with that mod.
Now onto the TSM's and Syn.brake fluid!!!! Hope to be able to
put that info in graph form before departure to Alaska. Jim
Penrod Hangin out and bein cool in Lake Placid F L A

 

[bdub]

This is great stuff Jim! I'm record'n it for posterity.

Keep up the great work!

bdub

>Coach was fitted w 80mm Calipers and Carbon metalic pads.Pads were bedded
>in per inastructions to a point,i.e.5 stops from 10 mph,then 5 stops from
>25 mph,at that point I DID NOT,REPEAT DID NOT,let the pads and rotors cool
>for 1 hour.Proceeded to new test area No Traffic Florida flat.Stop 1-248'
>Stop-2 240' Stop 3-220" . Stop 3 was actually 4,missed the mark big time!
>As you may recall bone stone stock was
>270',272',and273'.avg.272.5'Stock.avg 236'w/80mm&carbon met.pads.I'm not to
>damn bright,played a lot of football with no hat,but it seems as though I
>got about 1 and 1/3 GMC's improvement in stopping distance with that mod.
> Now onto the TSM's and Syn.brake fluid!!!! Hope to be able to
>put that info in graph form before departure to Alaska. Jim
>Penrod Hangin out and bein cool in Lake Placid F L A
>
>

 

[david l greenberg]

Thanks for the test results, Jim. I had a feeling mine stopped better
after I had Alex install 80mm calipers 5 years ago. Now I can say it
isn't a subjective feeling!

I appreciate your efforts!

David Lee Greenberg F22009
GMC Motorhome Registry
200 MacFarlane Drive PH4
Delray Beach, FL 33483-6829

 

[terry skinner]

Jim
What a great writeup. I've been working on the rear discs, but it is
plain to see that I can get bang for the buck this weekend with the 80 mm
calipers.Consider it done. We are making our own kit for the rear discs and
the machining is taking longer than thought. Something about a trip to the
ocean, etc. Thats the problem with having a beautiful motorhome.

Terry Skinner
Webfooted in Washington
'76 Glenbrook

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Date: Thu, 20 May 1999 15:22:34 -0400
From: "Jeanne Penrod"
Subject: GMC: Unscientific brake test

Coach was fitted w 80mm Calipers and Carbon metalic pads.Pads were bedded
in per instructions to a point,i.e.5 stops from 10 mph,then 5 stops from
25 mph,at that point I DID NOT,REPEAT DID NOT,let the pads and rotors cool
for 1 hour.Proceeded to new test area No Traffic Florida flat.Stop 1-248'
Stop-2 240' Stop 3-220" . Stop 3 was actually 4,missed the mark big time!
As you may recall bone stone stock was
270',272',and273'.avg.272.5'Stock.avg 236'w/80mm&carbon met.pads.I'm not to
damn bright,played a lot of football with no hat,but it seems as though I
got about 1 and 1/3 GMC's improvement in stopping distance with that mod.
Now onto the TSM's and Syn.brake fluid!!!! Hope to be able to
put that info in graph form before departure to Alaska. Jim
Penrod Hangin out and bein cool in Lake Placid F L A

Terry & Diane Skinner
Webfooted in Washington
'76 Glenbrook