metallic ony good sometimes..
I learned my 81 G10 Van with manual brakes stopped much better and with way less pedal effort with organic pads VS metallics..the Bendix factory rep was at our store doing an inventory,and I asked him if he was giving any freebies,the ones I'd bought didn't stop for sh**!-- (sometimes they would give the counter guys a set of pad or shoes and write them off)..he said he would "warranty" them for me--
I told him how my van's brakes sucked on the long trip to Hunter Mountain NY I took a week before,nearly got killed coming down the mountain-,I even had to downshift the tranny and stand up on the pedal to get it to slow down

--and I had no problem when I made the same trip a year ago with whatever pads were in the van when I got it!..and I'd bought the "top of the line" Semi-Metallic" pads for it too!
He looked them up,and said "Power Brakes"??... "NO"!... he said "AHH"!..thats why!..I looked at him like

-You mean I'm SUPPOSED to run the cheap organics??..he said "Yes,the large rotors on the trucks,and other GM cars like Caddy's and Impala's dissapate the heat rapidly enough so organics are fine--Metallic pads require a lot more pressure(hense the need for power assist)and heat is what makes them effective!"...I didn't really believe a word of it..but hey,he was giving me a free set of pads,who am I to dispute his claims,right???..
I was suprised after I installed them!..I could actually lock up the front wheels,something I could never do with the metallic pads,unless there was sand under the tires!..and I didn't have to stand up off the seat anymore either!..
But my VW Jetta was just the opposite!--circular saw sized rotors (solid!

) Power brakes,and fairly big pads (nearly as big as the vans!)--but if I used organics,the brakes sucked!..metallics worked great in the VW..
So now I use this guide..small unvented rotors,power brakes--Semi,or "Full"Metallic Pads!
Medium sized solid or vented rotors with power brakes Semi-Metallic Pads !
Large vented rotors with manual brakes--Organic Pads!
Large vented rotors with power brakes--Semi-Metallic Pads..
The Bendix catalog used to specify what GM listed and used as OEM pads..my vans listing was "Organic"

--I though the more they cost,the better they stopped!..I was WRONG!.
I find the "full" metallic pads last the longest in the vehicles that need them,but squeal like hell in a lot of cases..and aren't really nessasary in most cases either..they eat the rotors faster too,but they are so cheap now,that doesn't matter that much anymore.. I use "Semi-Metallics" in the vehicles that need metallics--or what the book lists as OEM equipment..Organics in my trucks with 11 or 12" rotors...I dont tow or carry weight too far,so I dont really need metallic pads..
