XDEep

anyone happen to know the material hardness rating of stock, es, prothane and mugen bushings? i have a choice of urethane and rubber materials rated in Shore A (30, 60, 90, etc.). im basically trying to find a happy medium between the 3m windo-weld filler, stock, and es bushings.

so far ive found the wrx hyperflex shifter bushing is rated with a durometer at 95A which is apparently very stiff. then i found a few examples so i know im in the correct range:

Shore A,
Shore "A" Micro (M),
IRHD,
IRHD Micro (M)
Medium hard rubber,
flexible polyurethane,
soft polymers,
felts General rubber parts, tyres, rollers, piano felts, sealants, seals, O-Rings

Shore C
Medium hard rubber,
polyurethane,
plastics Automotive trim,
hard rubber rollers





gee i guess that nitride coating is no joke.


some more examples from searching h-t:

falken azenis tires "I am getting 70 - 75."

"FWIW: durometer readings on the slightly worn Falken Azenis Sports on my Firebird an hour after a drive home from work ... 64-66. "

"AO32R yokohamas soft compound = <70"

anyway this is funny. one of my team mates was rolling when i drove back to my pit area. he said "i know you were trying to keep a low profile about having these tires, but with them looking like 40 grit sand paper with a pop can going around one tire, and a potato chip bag stuck to the other. i think the cat is out of the bag."