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river Forums Junkie Location: Land of Oz Registered: June 2004	Re: Preferred Fuel used on 2TG Tue, 07 September 2004 07:09 Hi, In 1974 there were more than 2 18RG/2TG engined vehicles in Oz. The RA25 GT2000, TA22 GT1600 and Corolla Levine 2TG were imported and used by AMI for testing in late 1973. These vehicles were not imported for the masses due to insurance category etc - but they were in the country at the time. I can't speak for the TA22 or Levine, but the RA25 is running an early 210 head 18RG with 9.7-1 compression ratio. It ran okay on SUPER fuel back then. It also ran, but not happily on the early unleaded. It did not like the lead replacement petrol. However, it runs the best ever on Optimax or Ultimate PULP fuel. I've been running it on PULP (Optimax or Ultimate) since these products came out and there is no issue with the valves or anything else. The engine was checked and retuned, by none other than Frank Kleinig himself last month, and the motor is perfect. These engines have the hardened seat vales and run ULP without nary a problem what so ever. Franks recommendation - run Optimax or Ultimate PULP 'cos the engine is designed to run this and it gives the best performance and no wuckas about ruining the head. In regards to Yamaha heads.... I am under the impression that all the heads of the early 18RG and 2TG were done (for Toyota) by Yamaha. There is no such thing as a "Yamaha" head, as opposed to a Toyota head in these early engines. They're all Yammies! Dunno about the heads of the later EFI models of these engines. Maybe someone can enlighten me. seeyuzz river [Report message to a moderator]

	Subject	Poster	Date
	Preferred Fuel used on 2TG	SIKTA22	Mon, 06 September 2004 11:03
	Re: Preferred Fuel used on 2TG	Norbie	Mon, 06 September 2004 11:54
	Re: Preferred Fuel used on 2TG	river	Mon, 06 September 2004 12:03
	Re: Preferred Fuel used on 2TG	Jonny2TG	Mon, 06 September 2004 14:16
	Re: Preferred Fuel used on 2TG	bman	Mon, 06 September 2004 21:41
	Re: Preferred Fuel used on 2TG	SIKTA22	Tue, 07 September 2004 01:22
	Re: Preferred Fuel used on 2TG	pro_k	Tue, 07 September 2004 03:00
	Re: Preferred Fuel used on 2TG	justcallmefrank	Tue, 07 September 2004 03:02
	Re: Preferred Fuel used on 2TG	RT104GT	Tue, 07 September 2004 04:39
	Re: Preferred Fuel used on 2TG	Norbie	Tue, 07 September 2004 05:27
	Re: Preferred Fuel used on 2TG	RT104GT	Tue, 07 September 2004 06:25
	Re: Preferred Fuel used on 2TG	RT104GT	Tue, 07 September 2004 06:36
	Re: Preferred Fuel used on 2TG	RT104GT	Tue, 07 September 2004 06:48
	Re: Preferred Fuel used on 2TG	river	Tue, 07 September 2004 07:22
	Re: Preferred Fuel used on 2TG	Norbie	Tue, 07 September 2004 09:21
	Re: Preferred Fuel used on 2TG	SIKTA22	Tue, 07 September 2004 10:25
	Re: Preferred Fuel used on 2TG	river	Tue, 07 September 2004 07:09
	Re: Preferred Fuel used on 2TG	SeptemberSquallIndustries	Tue, 07 September 2004 07:16
	Re: Preferred Fuel used on 2TG	Jonny2TG	Tue, 07 September 2004 10:27
	Re: Preferred Fuel used on 2TG	SIKTA22	Tue, 07 September 2004 10:36
	Re: Preferred Fuel used on 2TG	Jonny2TG	Tue, 07 September 2004 10:38
	Re: Preferred Fuel used on 2TG	Norbie	Tue, 07 September 2004 12:58
	Re: Preferred Fuel used on 2TG	Jonny2TG	Tue, 07 September 2004 13:22

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