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Detroit 12.7 430-470 engines
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Posted 1/19/2008 14:35 (#287119 - in reply to #287093)
Subject: Re: Detroit 12.7 430-470 engines

Wheatley, Arkansas
You are correct, 430 foot, 470 cruise. I have several of these engines and I really like their fuel efficiency. It is as simple as hooking a Detroit computer to the ECM to change to a strait 470. Some of our trucks have several power rating options to choose from. The 12.7's come from 1450-1650 torque, the 1650 has a different turbo and is usually in Paccar trucks, most other Detroit trucks are 1450 up until around 1995, then 1550 became an option.

When you have the computer hooked to the ECM you can see the torque rating and if there are any options to change it higher or lower.

I would think a 430/470 Detroit would pull as well as a 400 Cat, and burn less fuel.


EDIT: I reread your first post, a 12.7 at 430/470 geared the same as a Cat 3406B should outperform it hands down and burn a lot less fuel. It is very rare to hear of a mechanical engine pulling or conserving fuel like an electronic one.

Edited by eddiedry 1/19/2008 14:40
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