Crappy gas
Crappy gas I only put BP (Ameco) in my car. I was running low and need some gas to get home and all there was on the road was Sunoco. So i stop to put $5 in just to get my to a BP and of coarse thanks to Sunoco's wonderful all in one pumps (why i dont go there in the first place) i noticed that the customer before me got 87. So when i got my 94, i know the 87 that was in the line came through. I have no taken the car passed 2000 rpm and am wait to fill the tank with some BP 93. Should i reset my computer to clear the low octane table just in case or should i be fine?
Originally Posted by sickss228
Every Sunoco that I've been to in NJ has a seperate pump for the 94, I think you'll be fine.
Originally Posted by PG45
So when i got my 94, i know the 87 that was in the line came through. I have no taken the car passed 2000 rpm and am wait to fill the tank with some BP 93. Should i reset my computer to clear the low octane table just in case or should i be fine?
My area carries 91 highest rating.
Good God guys, that tiny amount of 87 octane isn't going to damage your engine. The PCM will manage your spark curve just fine, may deprive you of a few HP but no big deal.
I tested this on my '01 powertrain just for kicks. I'd been running 93 octane from Sunoco (same shared delivery nozzle as described above) and EFILive always showed my Adaptive Spark number at 100%. Perfect. The PCM is happy, it's giving me 100% of my high-octane spark table.
After several tank fulls of 93, always seeing 100% Adaptive Spark, I filled up with 89 octane...didn't go all the way down to 87. Sure enough, by the time it was down to ~3/4 tank, the Adaptive Spark multiplier was down to 92%. Car felt fine, just as peppy as always, but evidently the PCM had seen enough knock that it walked down the spark exactly as designed.
You guys worry too much.
I tested this on my '01 powertrain just for kicks. I'd been running 93 octane from Sunoco (same shared delivery nozzle as described above) and EFILive always showed my Adaptive Spark number at 100%. Perfect. The PCM is happy, it's giving me 100% of my high-octane spark table.
After several tank fulls of 93, always seeing 100% Adaptive Spark, I filled up with 89 octane...didn't go all the way down to 87. Sure enough, by the time it was down to ~3/4 tank, the Adaptive Spark multiplier was down to 92%. Car felt fine, just as peppy as always, but evidently the PCM had seen enough knock that it walked down the spark exactly as designed.
You guys worry too much.
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Originally Posted by crainholio
Good God guys, that tiny amount of 87 octane isn't going to damage your engine. The PCM will manage your spark curve just fine, may deprive you of a few HP but no big deal.
I tested this on my '01 powertrain just for kicks. I'd been running 93 octane from Sunoco (same shared delivery nozzle as described above) and EFILive always showed my Adaptive Spark number at 100%. Perfect. The PCM is happy, it's giving me 100% of my high-octane spark table.
After several tank fulls of 93, always seeing 100% Adaptive Spark, I filled up with 89 octane...didn't go all the way down to 87. Sure enough, by the time it was down to ~3/4 tank, the Adaptive Spark multiplier was down to 92%. Car felt fine, just as peppy as always, but evidently the PCM had seen enough knock that it walked down the spark exactly as designed.
You guys worry too much.
I tested this on my '01 powertrain just for kicks. I'd been running 93 octane from Sunoco (same shared delivery nozzle as described above) and EFILive always showed my Adaptive Spark number at 100%. Perfect. The PCM is happy, it's giving me 100% of my high-octane spark table.
After several tank fulls of 93, always seeing 100% Adaptive Spark, I filled up with 89 octane...didn't go all the way down to 87. Sure enough, by the time it was down to ~3/4 tank, the Adaptive Spark multiplier was down to 92%. Car felt fine, just as peppy as always, but evidently the PCM had seen enough knock that it walked down the spark exactly as designed.
You guys worry too much.
your talking about a part of a part of a part of a gallon in 87 mixed with 94 so what you got $5 in 93.6 octane I think you'll be ok lol LS1 Tech Stories
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