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Old 02-19-2016, 03:47 PM   #21 (permalink)
oil pan 4
EV convert
 
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Join Date: Jul 2011
Location: NewMexico (USA)
Posts: 9,715

Sub - '84 Chevy Diesel Suburban C10
SUV
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
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90 day: 141.63 mpg (US)
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As you said, one of the best ways to burn up smoke is install a turbo or turn up the boost slightly.
In my 6.5L diesels short life as a non-turbo it did smoke a little bit, then after I put the first turbo on that got rid of nearly all the smoke and improved fuel economy 2 to 2.5 mpg or by almost 10%.

To further reduce smoke production and engine oil consumption on my 6.5L I machined the heads so I could put actual seals on all the valve stems. The intake valves had something that barely resembled or functioned as a seal and the exhaust valves had nothing.
I didn't have to do it but I did.

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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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