Subject	carbon deposits can reduce the volume of your cylinders
Posted by	Technomancer on May 23, 2007 at 12:44 PM
	This message has been viewed 41 times.
In Reply To	I have the OEM turbos yet on my car at 267K miles. I don't posted by Zirvana on May 23, 2007 at 12:23 PM
Message	thus artificially increasing the compression ratio. This can in and of itself cause detonation. You might try some Techron engine cleaner in your gas for a tank or two to eliminate carbon as a potential cause of your troubles. - John
Follow Ups	Warning...BP 91 octane caused my 94TT to detonate! - Zirvana 11:27:44 05/23/07 BP gas makes my 93TT ping. It's crappy gas. Call - John@z1 11:38:08 05/23/07 Is 91 the highest available octane in your area? - Slow3z 11:49:31 05/23/07 92 is available at one Station...but they were out of it - Zirvana 12:12:55 05/23/07 I tend to strictly use Sunoco - TTFairladyZ 11:51:04 05/23/07 2nded (n/m) - Gizmo 12:01:59 05/23/07 Why are you using 91? (n/m) - YugoBernie (NoVA) 12:02:13 05/23/07 94TT owners manual states 91 minimum. Hard to find - Zirvana 12:11:56 05/23/07 That would be sufficient for stock boost levels (n/m) - TTFairladyZ 12:19:30 05/23/07 I have the OEM turbos yet on my car at 267K miles. I don't - Zirvana 12:23:52 05/23/07 carbon deposits can reduce the volume of your cylinders - Technomancer 12:44:57 05/23/07 Thanks, might try that. However, switching from BP to - Zirvana 13:05:27 05/23/07 two words for carbon build up + detonation...water injection (n/m) - The Devils Z 13:51:47 05/23/07 I suggest you try harder to find 92+ (n/m) - YugoBernie (NoVA) 14:26:13 05/23/07 I pay the extra .20 for 93 as opposed to 91, worth it IMO (n/m) - LJZTT 12:10:19 05/23/07 i dunno, some people act like thats breaking the bank - ARA300ZX 12:12:31 05/23/07 I'd buy it if I could find it in my area. (n/m) - Zirvana 12:18:58 05/23/07 that sucks - ARA300ZX 12:21:06 05/23/07 I hate someone else pumping. takes forever, and you end up - Seafordguy 12:23:16 05/23/07 tip? i dont tip them - ARA300ZX 12:25:39 05/23/07 DAMN IT - I wish I had that money back. I felt obligated. - Seafordguy 12:36:12 05/23/07 I've driven from MA to NoVA and stretched all the way - Dave N 13:05:03 05/23/07 Yeah it's not hard to do, I am just a retard w/ a bad memory (n/m) - Seafordguy 13:40:14 05/23/07 state law correct? no self serve? - nemo1080 12:37:43 05/23/07 LOL, yeah, state law, ask Chris (NJ) :-P (n/m) - BigTDogg (MA) 12:48:53 05/23/07 You are correct about Oregon's mandatory full service (n/m) - Broke_as_**** 13:10:35 05/23/07 2nd. - AbsolutZ (OH) 12:53:27 05/23/07 not me, $0.20 X 15 gallons = $3......cheap reassurance - LJZTT 16:21:01 05/23/07 mix some 91 with 100 or 110 octane... - imney 13:11:23 05/23/07 My friend with a non-Z noticed detonation on his car wtih - MixManMash 12:31:10 05/23/07 Woah, i use BP 93 everyday, n have their gas card :/ (n/m) - Drk93TT 12:43:53 05/23/07 2nd, except for the card, and no problems. (n/m) - Barry'z (NJ) 13:05:46 05/23/07 3rd. (n/m) - jmoore010 13:35:17 05/23/07 4Th all I run normally. I have ran 93 shell and detonated - Spddracer 16:15:53 05/23/07 Noticed same thing about Mobil when I switched to another (n/m) - RedZ 17:01:19 05/23/07 Re: Warning...BP 91 octane caused my 94TT to detonate! - BlackRyuji (Denver) 14:49:08 05/23/07 Same here in New Mexico. - Jehannum 16:29:14 05/23/07 You can probably retard the base timing a few degrees to - spyhunterTT(nj) 15:07:46 05/23/07 I'm going to "retard" my visits to BP. I am going to look - Zirvana 16:45:34 05/23/07 With gas prices rising, I am sure some station owners - AZHeat 16:22:31 05/23/07 Since water won't mix well with gasoline in the tank, maybe - Zirvana 17:06:41 05/23/07 Only use 110 leaded now... about the same price as - Piranha 06:17:04 05/24/07
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