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Old 01-04-2017, 11:22 AM   #22 (permalink)
oil pan 4
EV convert
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Join Date: Jul 2011
Location: NewMexico (USA)
Posts: 8,688

Sub - '84 Chevy Diesel Suburban C10
90 day: 19.5 mpg (US)

camaro - '85 Chevy Camaro Z28

Riot - '03 Kia Rio POS
Team Hyundai
90 day: 30.21 mpg (US)

Bug - '01 VW Beetle GLSturbo
90 day: 26.43 mpg (US)

Sub2500 - '86 GMC Suburban C2500
90 day: 11.95 mpg (US)

Snow flake - '11 Nissan Leaf SL
90 day: 141.63 mpg (US)
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Originally Posted by NHB View Post
I would consider leaving 600 watt block heater pugged in all night only when it's really cold outside (-20 F or colder). Usually 1-2 hours is enough for a normal I4-engine. A huge V8 might need more time.

I would rather have 600 watt block heater working together with a 200-300 watt oil heater. Oil heater heats the oil much faster than any block heater.
It very rarely gets to -20F, but when it does get below 0F I will usually leave one plugged in after I go to bed.
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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