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Vehicle water pumps use cavitation to limit flow so that delta pressure doesn't kill the thermostat. I had this problem with my suburban, it killed 2 or 3 thermostats before I got it fixed.
That scooter motor should spin 2600rpm at with 24 volts. On 12 volts, around half that.
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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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