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river
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June 2004

Re: Higher RON Fuels: Did you know?

Sun, 12 June 2005 11:07

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Hi,

Matt-itude wrote on Sun, 12 June 2005 19:11

The advantage to using a high RON fuel comes in with it having a higher flash point, or a resistance to detonation. This means engines can be run with a higher compression ratios, and can advance the timing to the limit of detonation, and produce much higher peak pressures and temperatures in the combustion chamber which will increase the thermal efficiency, and therefore increase overall torque and poer, compared to regular unleaded.

Better performance from BP ultimate? All things staying the same, i don't think so.

The first paragraph above you admit to high RON increasing the thermal efficiency and increase the overall torque and power in a high compression engine. Yet, in your next paragraph you say there is no improvement in performance. Confused

Confused

My engine is a high compression, and it performs much better on Ultimate than it does with Premium, and it just doesn't like standard ULP at all.

Then again, my old clunker doesn't have an ECU, or any other fancy gizmo to auto-adjust the timing or other parameters.

seeyuzz
river

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Subject Poster Date

Read Message Higher RON Fuels: Did you know? Matt-itude Sun, 12 June 2005 09:11
Re: Higher RON Fuels: Did you know? justcallmefrank Sun, 12 June 2005 09:15
Re: Higher RON Fuels: Did you know? Matt-itude Sun, 12 June 2005 09:34
Re: Higher RON Fuels: Did you know? justcallmefrank Sun, 12 June 2005 09:36
Read Message Re: Higher RON Fuels: Did you know? GBC_069 Sun, 12 June 2005 10:00
Re: Higher RON Fuels: Did you know? justcallmefrank Sun, 12 June 2005 10:02
Re: Higher RON Fuels: Did you know? river Sun, 12 June 2005 11:07
Re: Higher RON Fuels: Did you know? ae86drift Sun, 12 June 2005 11:32
Read Message Re: Higher RON Fuels: Did you know? Matt-itude Sun, 12 June 2005 18:40
Re: Higher RON Fuels: Did you know? river Mon, 13 June 2005 05:40
Re: Higher RON Fuels: Did you know? thu187 Sun, 12 June 2005 12:23
Re: Higher RON Fuels: Did you know? TRD_Supra Sun, 12 June 2005 13:35
Read Message Re: Higher RON Fuels: Did you know? no_tofu_speed Sun, 12 June 2005 14:09
Re: Higher RON Fuels: Did you know? TRD_Supra Sun, 12 June 2005 14:48
Re: Higher RON Fuels: Did you know? Corona RT142 Sun, 12 June 2005 23:52
Re: Higher RON Fuels: Did you know? TRD_Supra Mon, 13 June 2005 02:07
Read Message Re: Higher RON Fuels: Did you know? Arch Mon, 13 June 2005 02:38
Re: Higher RON Fuels: Did you know? Corona RT142 Mon, 13 June 2005 03:01
Re: Higher RON Fuels: Did you know? jeffro RA28 Mon, 13 June 2005 03:48
Re: Higher RON Fuels: Did you know? Toobs Mon, 13 June 2005 05:53
Read Message Re: Higher RON Fuels: Did you know? river Mon, 13 June 2005 06:12
Re: Higher RON Fuels: Did you know? Toobs Mon, 13 June 2005 06:28
Re: Higher RON Fuels: Did you know? CLG Mon, 13 June 2005 06:42
Re: Higher RON Fuels: Did you know? towe_001 Wed, 15 June 2005 00:02
Read Message Re: Higher RON Fuels: Did you know? trevtrev Wed, 15 June 2005 03:18
Re: Higher RON Fuels: Did you know? CLG Mon, 13 June 2005 06:17
Re: Higher RON Fuels: Did you know? river Mon, 13 June 2005 06:54
Re: Higher RON Fuels: Did you know? bmews Mon, 13 June 2005 11:12
Read Message Re: Higher RON Fuels: Did you know? Rainey Mon, 13 June 2005 13:35
Re: Higher RON Fuels: Did you know? bmews Tue, 14 June 2005 02:30
Re: Higher RON Fuels: Did you know? Shraka Wed, 15 June 2005 03:12
Re: Higher RON Fuels: Did you know? st184 sillycar Wed, 15 June 2005 09:56
Read Message Re: Higher RON Fuels: Did you know? trd3sg Sun, 19 June 2005 06:44
Re: Higher RON Fuels: Did you know? st184 sillycar Thu, 16 June 2005 10:06
Re: Higher RON Fuels: Did you know? jeffro RA28 Tue, 21 June 2005 11:52
Re: Higher RON Fuels: Did you know? Nark Wed, 22 June 2005 08:14
Read Message Re: Higher RON Fuels: Did you know? riceburna73 Thu, 16 June 2005 11:34
Re: Higher RON Fuels: Did you know? Corona RT142 Thu, 16 June 2005 22:55
Re: Higher RON Fuels: Did you know? Norbie Fri, 17 June 2005 00:52
Re: Higher RON Fuels: Did you know? THE WITZL Fri, 17 June 2005 03:50
Read Message Re: Higher RON Fuels: Did you know? st184 sillycar Sun, 19 June 2005 01:09

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