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Title: 91 octane gas on a 93 octane tune cause problems Post by: NestorS4B5 on November 26, 2016, 09:27:08 PM i wanted to know if its safe to use 93oct tune with 91oct gas
Title: Re: 91 octane gas on a 93 octane tune cause problems Post by: nyet on November 26, 2016, 10:08:36 PM depends on the tune and if it left knock recognition intact.
Title: Re: 91 octane gas on a 93 octane tune cause problems Post by: NestorS4B5 on November 26, 2016, 10:52:52 PM i wanted to use the NVR stg2 file with 91oct how could i check
Title: Re: 91 octane gas on a 93 octane tune cause problems Post by: vwaudiguy on November 26, 2016, 11:41:08 PM Not a good idea. Plus, timing is something that almost always needs to be adjusted between setups. Lot's of things determine what optimum timing should be. Mileage on the engine is one. Using a tune built for a specific setup (and that person being an enthusiast), and then going down in octane on top of that isn't good.
Title: Re: 91 octane gas on a 93 octane tune cause problems Post by: nyet on November 27, 2016, 12:34:03 AM do one or two pulls. if it pulls more than 10 degrees timing, it isn't really safe.
Not only that, it won't be making the power it should Title: Re: 91 octane gas on a 93 octane tune cause problems Post by: NestorS4B5 on November 27, 2016, 07:51:46 AM thank you guys for the replies ill check the timing deg.
Title: Re: 91 octane gas on a 93 octane tune cause problems Post by: NestorS4B5 on November 27, 2016, 10:21:50 AM do one or two pulls. if it pulls more than 10 degrees timing, it isn't really safe. on vcsd measuring block 003 ignition timing angle 9.0* - 10* in idle should i log with Vcds?Not only that, it won't be making the power it should Title: Re: 91 octane gas on a 93 octane tune cause problems Post by: adam- on November 27, 2016, 11:36:47 AM Log with ME7Logger.
Title: Re: 91 octane gas on a 93 octane tune cause problems Post by: nyet on November 28, 2016, 12:03:36 AM Idle timing won't tell you jack.
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