BP 93 vs Quik Trip Premium: Real world, dyno proven results! - Page 2

**Shane@DBPerformance** · 08-16-2009

Probably, it seems to help turbo cars way more than it should. Both ethanol and methanol have very high latent heat of vaporisations compared to normal petrol fuels. Straight methanol doesn't have a crazy octane rating either, like 110-115 octane, while C16 is 116-117 octane. But you wouldn't see a C16 car running 60-80psi of boost with no intercooler, while you do with methanol cars.

CVD · 08-16-2009

I had my own experience switching from BP to Holiday gas today. I was running my Colt at about 20psi on BP gas with about 6-7 counts of knock. Got 92 at Holiday and turned the boost down to 18psi. Knock still doubled.

Forced Fed · 08-16-2009

Quote:

Originally Posted by CVD

I had my own experience switching from BP to Holiday gas today. I was running my Colt at about 20psi on BP gas with about 6-7 counts of knock. Got 92 at Holiday and turned the boost down to 18psi. Knock still doubled.

Damn, that really makes me wonder what kind of power I could of pulled out of the old girl on some good ole BP gas. I was pretty damn happy with the power level I was at too, 300awhp on a Dyno Dynamics. If it would of been 350 or even 330awhp, that would of knocked my socks off!

NOT THE BLUE LAMPSHADE · 08-16-2009

I work at BP service writing and full service bitch, but yea, our gas is the shit. All sorts of people with nice cars come here because of the 93 octane hotness.

FattyBoomBatty · 08-16-2009

I don't seem to notice a difference from station to station, but I'll try and stick to the BP's as much as possible now. Good thing there's one right by my house.

john · 08-17-2009

I must be missing something... So he dynoed 270 originally, swapped TBs and came back another day, 270 again.

Came back a different time only switching to BP gas and now 318???

Guess I am a little leary as they were different days, temps, etc. Could have been a bad batch of gas or something else... I guess a better test would be slap the car on the dyno on BP, tune, drain all fuel, switch to holiday, and tune again. Still hard to rule out temp of the intake charge and the possibility of getting bad gas...

TheBlizzard · 08-17-2009

I have had numerous similar experiences, I always use BP 93 in my GTP since I run a really small pulley on the super charger.

One day I was almost out of gas when I left work so I got a bit of gas at a Kwik Trip on my way home. I got on the hwy and gave it 3/4 throttle, it felt way down on power for some reason, I hooked my scan tool up to it and it was knocking bad around 10lbs of boost and 1/2 throttle.

Good thing I only put $5 in it; subsequently I went and filled it up with BP93, got on the same hwy going back towards home and floored it with my scan tool on, 18lbs of boost and no knock. Doesn't get anymore real world than that. BP gas is very good, the only people that are going to be able to tell the difference is high compression cars, or boosted cars that are slightly to highly modified.

I have filled up my Tahoe all over and can't tell the different from place to place, but my GTP that makes a measly 350whp chokes and pukes on SA, Holiday, and Kwik Trip gas. Don't know why though, you would think the gas would be farely close, I mean what the heck doesn't 92 octane mean 92 octane? Weird.

Matt D. · 08-17-2009

Quote:

Originally Posted by john

I must be missing something... So he dynoed 270 originally, swapped TBs and came back another day, 270 again.

Came back a different time only switching to BP gas and now 318???

Guess I am a little leary as they were different days, temps, etc. Could have been a bad batch of gas or something else... I guess a better test would be slap the car on the dyno on BP, tune, drain all fuel, switch to holiday, and tune again. Still hard to rule out temp of the intake charge and the possibility of getting bad gas...

Proof in the pudding right here:

Quote:

Originally Posted by CVD

I had my own experience switching from BP to Holiday gas today. I was running my Colt at about 20psi on BP gas with about 6-7 counts of knock. Got 92 at Holiday and turned the boost down to 18psi. Knock still doubled.

**scheides** · 08-17-2009

Quote:

Originally Posted by john

I must be missing something... So he dynoed 270 originally, swapped TBs and came back another day, 270 again.

Came back a different time only switching to BP gas and now 318???

Guess I am a little leary as they were different days, temps, etc. Could have been a bad batch of gas or something else... I guess a better test would be slap the car on the dyno on BP, tune, drain all fuel, switch to holiday, and tune again. Still hard to rule out temp of the intake charge and the possibility of getting bad gas...

The time when he swapped TB's was several weeks and different tanks of gas were used on those occasions, both were from quik trip.

Yes, the test could be better, but it wasn't a test, it's what happened while one guy's evo was down on power and Shane and others tried to help him figure out what the problem was. Just sharing real-world results, that's all.

gofastman · 08-17-2009

You should throw in another player: Shell V-Power!

CVD · 08-17-2009

Quote:

Originally Posted by CVD

I had my own experience switching from BP to Holiday gas today. I was running my Colt at about 20psi on BP gas with about 6-7 counts of knock. Got 92 at Holiday and turned the boost down to 18psi. Knock still doubled.

Just as an update to this, I decided to top it off with E85 just to see what would happen. I put in just over a gallon and the result was that it completely eliminated the knock caused by the shitty holiday fuel. I went from 13 to 17 counts of knock yesterday during the heat to 5 to 7 counts last night when it was cool. Today in the middle of the afternoon with a gallon of E85 mixed in knock was 0 to 1.
Now I'm not recommending this, it was just an experiment with my POS Colt. I have no tuning equipment but I'm assuming it runs a bit rich with the factory unhacked 1G MAS.

**Kracka** · 08-17-2009

Quote:

Originally Posted by gofastman

You should throw in another player: Shell V-Power!

Known crap.

FattyBoomBatty · 08-17-2009

Quote:

Originally Posted by CVD

Just as an update to this, I decided to top it off with E85 just to see what would happen. I put in just over a gallon and the result was that it completely eliminated the knock caused by the shitty holiday fuel.
Now I'm not recommending this, it was just an experiment with my POS Colt. I have no tuning equipment but I'm assuming it runs a bit rich with the factory unhacked 1G MAS.

Sweet. Add two gallons next time.

CVD · 08-17-2009

I'm full on converting to E85 as soon as I get off my lazy ass and put a small 16G on the car. It still has the 11b, and with decent gasoline it has no problems at all maxing out the power potential of the miniturbo.

FattyBoomBatty · 08-17-2009

Nice, that's like a stock conquest. Just add a 1G mass and unplug the waste gate and done.

gofastman · 08-18-2009

Quote:

Originally Posted by kracka

known crap.

proof or gtfo!!!

**Shane@DBPerformance** · 08-18-2009

I had an Evo 8 customer running Shell V-Power that was too prone to knock. He switched to BP 91 or 92(might have been back when the BPs only had 91) and we were able to pick up another 15awhp at the same boost level. Which is a decent amount on a 260awhp car.

**Kracka** · 08-18-2009

Quote:

Originally Posted by gofastman

proof or gtfo!!!

STFU or GTFO, your choice

Put it in your car and let me know how it goes for ya. I've tried it and the car ran noticeably worse, and many others have experienced the same issue.

mukapahnpy · 08-19-2009

hrm, this is rather interesting. I'll have to give BP 93 a try. I'll also have to talk with my BIL, he's in the 're-fueling gas station' business. IIRC, the majority of gas stations all get their fill from the same distributors. I believe there are only 2 or 3 here in MN.

FattyBoomBatty · 08-20-2009

I put some of this magic sauce in my car tonight, and it felt pretty good. I can't tell if it's because I wasn't wearing any shoes, or if it was raining, but it felt faster.