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Looks like with that gatorback belt they tried to take conventional V-belt cogs and apply them to a serpentine belt.
I would bet the efficiency gain would be tiny since the standard cogged V-belt is already 98% efficient.
I wouldn't replace a other wise serviceable belt with this gatorback to try and pick up some efficiency. I think the time and replacement cost wouldn't be worth the savings unless you were in need of a belt change.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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