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 Ecm tune 
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MMT Pro Member

Joined: Sun May 22, 2016 10:32 am
Posts: 317
Location: Middle ga
Post Ecm tune
I got a stock 37 hdr and I ordered a SW exhaust, air filter, and heads. Will getting a tuned ECM benefit me or just run the stock ecm program? I don't plan on modding any further, just trying to get a few more HP so I can spin a hammer prop. Thanks for the info


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Fri Jun 22, 2018 5:12 am
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Joined: Wed Jan 14, 2009 7:23 am
Posts: 6107
Location: Tarkington, TX
Post Re: Ecm tune
You will be fine running the stock tune with the SW pipe. Once you get cylinder heads with a good bit more airflow through them then you need to think about adding fuel.

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Fri Jun 22, 2018 5:33 am
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Joined: Fri Jan 10, 2014 1:16 pm
Posts: 1815
Location: Gladewater TX
Post Re: Ecm tune
Agreed^^ when we put a set of our heads on one high load afr is mid to high 13s and needs tuning to prevent damage


Fri Jun 22, 2018 9:44 am
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