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ed_ma61
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May 2002
Re: OPTIMAX suxs! Wed, 22 May 2002 12:15 Go to previous messageGo to previous message
basically, figuring out above RONs was done by deduction/elimination having tuned the car to a confirmed/tested and standardised optimax 98RON tank which i got from a friend at Shell (happend to be a quality control sample leftover, which we had the number for).

i had been having real probs with my tuning, so i grabbed this tank when it came up, and tuned the car right to the edge.

so... i now had a very finely tuned car, which i knew ran right at 'real' 98RON.

from then on i kept filling up on optimax merrily thinking all was well... but it wasnt... detonation-o-rama!!

so, got myself some tolulene, of known, and tighly consistent RON (about 115 isnt it? cant remember) ...and then, on a known tank volume of optimax, added increasing volumes of tolulene until detonation was eliminated. using the vol of the tank, and the volume of the tolulene added, i calculated the 'original' RON of the optimax.

i subsequently did this with various fuels, and looked at the consistency of the results across a few weeks and accross different stations.

eventually, your ear gets quite good at listening to different levels of detonation at different engine loads, and having calculated the RONs for past fuels, can estimate what ive got in the tank pretty well. even if you want to say my engine has gone out of tune a bit since, i can still tell you the consistency of fuels between stations.

and rod... me earn a crust??? hehahahehe Smile i wish!! poor student am i!

anyone want to give me a job on the weekends?? im desparate! (smart too aparently!.. i can learn!!)

cheers
ed
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SubjectPosterDate
Read Message   OPTIMAX suxs! thunderbird1Tue, 21 May 2002 16:20
Read Message   Re: OPTIMAX suxs! M.W.P.Tue, 21 May 2002 16:35
Read Message   Re: OPTIMAX suxs! BigWormTue, 21 May 2002 17:00
Read Message   Re: OPTIMAX suxs! faulksyTue, 21 May 2002 17:39
Read Message   Re: OPTIMAX suxs! thetoyman75Tue, 21 May 2002 21:24
Read Message   Re: OPTIMAX suxs! ae86truenoTue, 21 May 2002 22:33
Read Message   Re: OPTIMAX suxs! LesTue, 21 May 2002 23:08
Read Message   Re: OPTIMAX suxs! AE82TwinCamTue, 21 May 2002 23:13
Read Message   Re: OPTIMAX suxs! LiL_MiCTue, 21 May 2002 23:40
Read Message   Re: OPTIMAX suxs! LesWed, 22 May 2002 00:05
Read Message   Re: OPTIMAX suxs! TOY77Wed, 22 May 2002 00:30
Read Message   Re: OPTIMAX suxs! dravenWed, 22 May 2002 00:56
Read Message   Re: OPTIMAX suxs! LesWed, 22 May 2002 01:07
Read Message   Re: OPTIMAX suxs! LiL_MiCWed, 22 May 2002 01:49
Read Message   Re: OPTIMAX suxs! rvrollaWed, 22 May 2002 02:35
Read Message   Re: OPTIMAX suxs! LiL_MiCWed, 22 May 2002 02:56
Read Message   Re: OPTIMAX suxs! ed_ma61Wed, 22 May 2002 03:10
Read Message   Re: OPTIMAX suxs! maxdamage75Wed, 22 May 2002 04:36
Read Message   Re: OPTIMAX suxs! LesWed, 22 May 2002 04:47
Read Message   Re: OPTIMAX suxs! maxdamage75Wed, 22 May 2002 04:52
Read Message   Re: OPTIMAX suxs! LesWed, 22 May 2002 04:54
Read Message   Re: OPTIMAX suxs! maxdamage75Wed, 22 May 2002 05:01
Read Message   Re: OPTIMAX suxs! LesWed, 22 May 2002 05:03
Read Message   Re: OPTIMAX suxs! RoweyWed, 22 May 2002 05:02
Read Message   Re: OPTIMAX suxs! maxdamage75Wed, 22 May 2002 05:15
Read Message   Re: OPTIMAX suxs! LesWed, 22 May 2002 05:21
Read Message   Re: OPTIMAX suxs! TRACTION_ISSUESWed, 22 May 2002 06:19
Read Message   Re: OPTIMAX suxs! idfamilyWed, 22 May 2002 06:52
Read Message   Re: OPTIMAX suxs! ApolloWed, 22 May 2002 07:07
Read Message   Re: OPTIMAX suxs! JulzWed, 22 May 2002 07:12
Read Message   Re: OPTIMAX suxs! CamryManWed, 22 May 2002 07:38
Read Message   Re: OPTIMAX suxs! thetoyman75Wed, 22 May 2002 08:28
Read Message   Re: OPTIMAX suxs! justcallmefrankWed, 22 May 2002 09:01
Read Message   Re: OPTIMAX suxs!, MY OATH IT DOES!!! BigBadBennyWed, 22 May 2002 09:51
Read Message   Re: OPTIMAX suxs!  ed_ma61Wed, 22 May 2002 12:15
Read Message   Re: OPTIMAX suxs! SmellyTofuWed, 22 May 2002 13:06
Read Message   Re: OPTIMAX suxs! faulksyWed, 22 May 2002 13:11
Read Message   Re: OPTIMAX suxs! SmellyTofuWed, 22 May 2002 13:13
Read Message   Re: OPTIMAX suxs! faulksyWed, 22 May 2002 13:23
Read Message   Re: OPTIMAX suxs! BigWormWed, 22 May 2002 16:07
Read Message   Re: OPTIMAX suxs! ApolloThu, 23 May 2002 01:12
Read Message   Re: OPTIMAX suxs! TOY77Thu, 23 May 2002 06:46
Read Message   Re: OPTIMAX suxs! SoarerThu, 23 May 2002 08:06
Read Message   Re: OPTIMAX suxs! justcallmefrankThu, 23 May 2002 08:10
Read Message   I CANT BELEIVE SOME OF THE B/S POSTED ABOVE SUPRAGTEMon, 27 May 2002 02:59
Read Message   Re: I CANT BELEIVE SOME OF THE B/S POSTED ABOVE JulzMon, 27 May 2002 05:13
Read Message   Re: OPTIMAX suxs! willwal98Mon, 27 May 2002 06:36
Read Message   Re: OPTIMAX suxs! ed_ma61Mon, 27 May 2002 07:19
Read Message   Re: OPTIMAX suxs! LesMon, 27 May 2002 09:51
Read Message   Re: OPTIMAX suxs! St3ve_AE92Mon, 27 May 2002 12:32
Read Message   Re: OPTIMAX suxs! St3ve_AE92Mon, 27 May 2002 12:40
Read Message   Re: OPTIMAX suxs! ed_ma61Tue, 28 May 2002 02:56
Read Message   Dammit SUPRAGTETue, 28 May 2002 03:35
Read Message   Re: OPTIMAX suxs! justcallmefrankTue, 28 May 2002 10:11
Read Message   Re: OPTIMAX suxs! UP4SUMTue, 28 May 2002 13:58
Read Message   Nearest BP/Mobil to Wollongong... SoarerTue, 28 May 2002 14:27
Read Message   Re: Nearest BP/Mobil to Wollongong... ApolloTue, 28 May 2002 22:13
Read Message   Re: OPTIMAX suxs! SoarerWed, 29 May 2002 06:06
Read Message   Re: OPTIMAX suxs! ApolloWed, 29 May 2002 11:39
Read Message   Re: OPTIMAX suxs! SoarerThu, 30 May 2002 02:14
Read Message   Re: OPTIMAX suxs! rvrollaThu, 30 May 2002 04:32
Read Message   Re: OPTIMAX suxs! mx83toyThu, 30 May 2002 11:40
Read Message   Re: OPTIMAX suxs! JohnnyThu, 30 May 2002 12:06
Read Message   Re: OPTIMAX suxs! SUPRAGTEFri, 31 May 2002 11:36
Read Message   Re: OPTIMAX suxs! inertiaSat, 01 June 2002 10:01
Read Message   Re: OPTIMAX suxs! justcallmefrankSat, 01 June 2002 12:32
Read Message   Opticraps IRA11YSun, 02 June 2002 01:22
Read Message   Re: Opticraps SmellyTofuSun, 02 June 2002 04:16
Read Message   Re: OPTIMAX suxs! ApolloSun, 02 June 2002 05:51
Read Message   Re: OPTIMAX suxs! justcallmefrankSun, 02 June 2002 11:55
Read Message   Re: OPTIMAX suxs! ApolloMon, 03 June 2002 00:38
Read Message   Re: OPTIMAX suxs! RattleheadSun, 02 June 2002 15:55
Read Message   Re: OPTIMAX suxs! justcallmefrankMon, 03 June 2002 02:07
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