My 7Kw is only rated for about 5.5kw also.
But I went into it and ripped out all the 12 gauge wire and rewired it with 10 gauge.
It should be able to hold more like 6.5kw now, that is where it starts to drop off at due to thin air here.
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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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