Difference between auto and manual motors - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 20 (permalink) Old 12-24-2008, 01:18 AM Thread Starter
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Difference between auto and manual motors

I want to get this year dodge and I am looking at an auto or manual.

What did they do to the motor to detune it for the auto or uptune it for the manual.

And can they be reversed
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post #2 of 20 (permalink) Old 12-24-2008, 01:49 AM
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Auto and 5 Speeds are SO engines (235/460) HP/TQ.

6 Speeds are HO engines (245/505) HP/TQ

Basically the difference was the compression ration and a few minor changes...
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post #3 of 20 (permalink) Old 12-24-2008, 01:57 AM
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Those new trucks are bad ***** wish i had the money to invest.... guess i will stick with my 01 2500...
the difference would really depend on what u wanted to do with it??? The auto trannys are faster on the track right now but the manual trannys hold up better from my experinces

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post #4 of 20 (permalink) Old 12-24-2008, 03:21 AM
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Pistons, injectors, and VP44.
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post #5 of 20 (permalink) Old 12-24-2008, 03:42 AM Thread Starter
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So there never was a HO automatic I take it.
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post #6 of 20 (permalink) Old 12-24-2008, 03:12 PM
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Quote:
Originally Posted by SparkyLV View Post
So there never was a HO automatic I take it.
Nope because the trannies couldn't hold it...

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post #7 of 20 (permalink) Old 12-24-2008, 04:28 PM
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They did however offer a standard output 6 speed in '99-00.
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post #8 of 20 (permalink) Old 12-25-2008, 07:35 AM
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Quote:
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So there never was a HO automatic I take it.
If you are wanting something to mod the High Output motor isn't going to be your cup of tea. Standard Outputs are the way to go as far as modding. High Outputs can be modded, but going beyond 500hp is tough vs a standard output which could be at 500hp after a 6 pack of beer. High Outputs are great for fuel mileage however.
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post #9 of 20 (permalink) Old 12-25-2008, 08:58 AM Thread Starter
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I just want power, good towing, reliability and fuel enconomy.

over my 6oh so the last two should be easy lol.
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post #10 of 20 (permalink) Old 12-25-2008, 05:58 PM
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Well I got some bad news. Reliability and MPG the Cummins will beat a 6.0 hands down. But the 6.0's had VGT's that made them feel like they had quiet a bit of power. With injectors turbos and a comp box. You should have the power thing under control. 6speeds are great if you are always hooked up to a trailer. But if not, just do a automatic.
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