Bxs c15 ? - TheDieselGarage.com
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post #1 of 4 (permalink) Old 01-11-2017, 11:07 PM Thread Starter
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Bxs c15 ?

Hello all, recently purchased a 2005 379 with a bsx c-15. Everything is stock on the engine currently and is set at 475. What can I do with this motor? would like to be at more like 550-600 hp if possible and wanting it to be reliable as possible. Truck has 612,000 miles haven't checked the ecm yet but the motor sounds and starts nicely.

Numbers on the motor are
AR. #254-9573
Software # 255-4934
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post #2 of 4 (permalink) Old 03-03-2017, 04:55 AM
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Contact PDI, they'll set you up with a local tuner and you'll be good and happy.

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2001 GMC 2500HD EC/LB, 4X4. A few go fast goodies. 540hp/1107tq Danville Dyno 11/09, Kennedy 40% injectors.

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post #3 of 4 (permalink) Old 03-04-2017, 08:31 PM
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If the serial number you gave is correct, this is a old paclease truck, and it had 600 000 miles on it back in 2012? It is an 475/ 1650. Where are you located?
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post #4 of 4 (permalink) Old 05-05-2017, 12:50 AM
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delete iva/vva and do a mild power tune (stage1).
but most important is vva delete.
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