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Aha, bahaahahahh,hahaha hahaha.
The government has demonstrated catastrophic lack of understanding to obd2 tuning.
I can drop the ecm out of my firebird in about 15 minutes with out any practice, pry the hot eprom chip out, insert an OEM tune eprom, then in 5 minutes move the distributor base advance to the BS 8 degree setting with a timing light.
After smog is passed put the hot eprom back in and crank the base timing back up to about 20 degrees by eyeballing it. It's good for about 2 to 3 mpg and at least 25 more hp.
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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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