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Thread: LS ECU options
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02-08-2017 #26
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- Join Date
- Sep 2011
- Location
- Lawler, IA
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- 569
I had FAST ez efi running my LS1 383 to start. Liked the idea of self learning being in NE Iowa a tuner was far away. Long story short it ran at 12:1 afr at best down to 18:1 wot. West Bend Dyno help correct it but it was far from ideal.
I switch to GM with a PSI harness and gain 150 rwhp. Yes, a knowledgeable tuner is required. I was told by a very smart man at one point, who has a bigger budget to perfect efi, GM or some aftermarket. Best advice out there.
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