3406 turbo - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 1 (permalink) Old 09-05-2017, 03:31 PM Thread Starter
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Unhappy 3406 turbo

My first post here, i got a 3406A on a 83 Autocar Dump, original was a air to water aftercool so i switch it to air to air which made a big difference , it has a OR 5369 turbo and full boost is 21 lbs i had back up fuel on the pump do to the warm air temps with the original set up, the only thing i could find on the original turbo is that the exhaust housing is 1.37, the pressure sides is very small not sure on the AR but is small, being reading for a while and i think the best choice new is BW 174259 but i also got a OR 6957 out of a B not sure on the exhaust side but compressor sides is .75 AR like to find out the exhaust side looks similar to my but would be nice if some one here could give me specs, i think another good choice is 3406 E like mid 90.s they have i think 1.37 exhaust with .68 AR on the pressure sides any specs and recomendations will be good, probably will be around the 435-450 HP range... try to post pictures but it said i was missing security token
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