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Old 08-10-2009   #19
blackrosenova400
 
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Re: here's a turbo for the v8/v6 crowd

Caterpillar used compound twin turbo setups on there big dogs instead of using egr valves to pass epa 04 emmisions. I dont think they will be doing that anymore as the twin turbo setup will not be able to pass epa 07 emissions.
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