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ecm: factory? or aftermarket?

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Old 10-08-2007, 08:56 AM
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Default ecm: factory? or aftermarket?

Ok, so I'm shopping for my LS1/T56 for my swap. I'm wondering if it is best to find one complete with ECM, or I'll b eupgrading to aftermarket anyway?
I've heard that the factory one is very capable up to my HP goals (no more than 500hp) and can be easily tuned.

That being said: I see motors selling for less when they do NOT have the ECM. But what would an aftermarket unit set me back?

thanks.
Dan
Old 10-08-2007, 09:06 AM
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OEM controller. Custom tune and either build your own harness or have speartech fab one for you.
Old 10-08-2007, 11:14 AM
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cool. is there a reason not to use the factory harness? It seems that most motors that are complete with the ecm also have the harness.




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