Quote:
Originally Posted by drewbot
A few local members ( @ 1Cor10:23 and @ wparsons, at least) including myself have had poor IAM's on any GTA 91 fuel.
From my couple days of logging last year, between Costco and Shell I was getting anywhere between 0.80 and 0.94...
Currently I run a variant of the 91 OTS tune with 94 (IAM is rock solid 1.0) and I believe @ wparsons runs the 93 OTS with 93/94
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Yep, and yep.
The OTS 91 map and OTS 93 map are identical at lower revs, and the knock issue I have is in the low rev high load area (too much gas in the ~2500-3500rpm range). Oddly enough I get no knock on a track with 91 octane on the OTS 91 map, but I get a bunch driving in traffic.
I'm currently running an unmodified OTS 93 map on 94 octane.