05-11-2010, 08:50 PM | #29 |
wat?
Drives: 2010 Chevy Camaro SS RS Join Date: Oct 2009
Location: Las Vegas
Posts: 176
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he's just trying to help guys. Easy, easy now! LOL ya'll need alcohol.
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05-11-2010, 09:28 PM | #30 |
12.23s@113mph
Drives: 2SS/RS, A6, just a few bolt ons Join Date: Jul 2009
Location: Houston, TX
Posts: 1,197
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ok!
i tried the 93 tune with 91 octane... at WOT i got about 1.4 TKSR around 5500rpm, just a spike but showed up on multiple gears. plus when i was coasting, then pressed the gas a little i got 8.0 TKSR, and i think i kinda felt it bog down a bit. this is why i used to blend race fuel with each tank, to keep this from happening. now i see the reason for both separate tunes... i had half a bottle of lucas octane booster from last year, so i put that in the tank with the tank half full... all is well and no more knock, i re-logged it to make sure! lucas doesnt sell gimmicks, but i wouldn't recommend it for regular use (MMT will slowly destroy emissions system parts over time with repeated use)... for those with access to race fuel, blend that with the 91 octane. there are plenty of blending tables on the net to help you with what you can get i only have 2 more months of this crap in OK until i return to TX where they like 93!!!
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05-12-2010, 01:19 AM | #31 | |
wat?
Drives: 2010 Chevy Camaro SS RS Join Date: Oct 2009
Location: Las Vegas
Posts: 176
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Quote:
that's great to hear! but i thoght it said it will not harm 02 sensors? i just can't win.
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05-12-2010, 07:44 AM | #32 | |
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05-12-2010, 11:41 AM | #33 |
Drives: 2002 Z06 Join Date: Apr 2008
Location: Michigan/Florida
Posts: 110
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In regards to gasoline quality? Most brands are merely additive packages as the base fuel is taken from the same storage tank as any one else's most of the time and in most places.
Sometimes fuel brands hit the additive correctly and sometimes they miss. Sometimes it's a region by region issue. Where it's allowed, ethanol percentage can whack the optimum AFR on a brand by brand basis. When gas is cheaper, the ethanol percentage usually falls under the "legal" limits allowed but when gas gets high enough, it's a Forrest Gump box of Choc'lets deal.. Ethanol is not big on MPG, but if you can reliably tune for a fixed amount, you can roll with the octane boost. Unfortunately, it's a moving target where allowed.
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1fastdog
many Z/28's in my past |
05-14-2010, 12:14 AM | #34 | |
IOM inside and out
Drives: 2SS/RS 2010 Camaro Join Date: May 2010
Location: Southern Oregon
Posts: 111
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Hey Monte 92 octane??
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05-14-2010, 07:11 AM | #35 |
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05-14-2010, 08:41 AM | #36 | |
12.23s@113mph
Drives: 2SS/RS, A6, just a few bolt ons Join Date: Jul 2009
Location: Houston, TX
Posts: 1,197
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Quote:
yea seeing how little knock i got at WOT when testing 91 fuel with the 93 tune, i bet 92 octane will have minimal knock if any. when you log at WOT, if you see any TKSR above 1 degree on the log, go into modify tune on the predator and remove 1 degree of "spark advance" and repeat until you get no TKSR. "there is only a 2-3 degrees difference in the 91 and 93 octane tune" (quote: 06MonteSS) keep in mind you will see something when shifting so watch the log and make sure the knock you are recording is not at a shift point which is normal
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05-14-2010, 08:46 AM | #37 | |
12.23s@113mph
Drives: 2SS/RS, A6, just a few bolt ons Join Date: Jul 2009
Location: Houston, TX
Posts: 1,197
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Quote:
the only way to get Lucas octane booster to work effectively is to use 1oz. per gallon of fuel which is just slightly more concentrated than their minimal requirement of one 16oz. bottle per 25 gals of fuel.
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05-14-2010, 08:48 AM | #38 | |
12.23s@113mph
Drives: 2SS/RS, A6, just a few bolt ons Join Date: Jul 2009
Location: Houston, TX
Posts: 1,197
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Quote:
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05-14-2010, 09:00 AM | #39 | |
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Quote:
Look above where you were talking about knock on a shift... That's burst knock retard. |
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05-14-2010, 09:09 AM | #40 | |
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