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Steve M Forums Junkie Location: Adelaide Registered: June 2003	Re: Slightly modded 18R-GE - What cams would be best? Sun, 25 January 2004 04:48 I forgot to mention a few things. the casting gen. number on the timing case doesn't mean a whole lot. Our 18RGU (came with a 88253 head and 8.7:1CR) came with an 88230 dizzy and a 88210 timing case. I have seen an 18rgeu with a 88250 timing case before. All it means is that they didn't have a need to redesign the timing case from the 18rgu to the 18rgeu. I have never seen a 88270 timing case, so I don't know if one was ever made. All 18rg/u/eu pistons are domed, just to different heights. The 8.7:1 domes are about 4mm tall. The 9.7:1 domes are about 6-7mm tall. The 8.3:1 domes are lower than the 8.7:1 Omegaman, I'm not too surprised that you didn't get benefit from the 88231 cams. The 8.7:1 CR pistons aren't suited to that cam profile, you would have lost more active compression when those cams went in, and starting with a low CR, this is quite likely to have a negative effect on performance, and especially low down torque. The lack of adjustable cam timing would not have allowed this issue to be partially over come through the timing adjustments possible in the later model cams. It's a real pity that the cam swap didn't work for you and I can see why you would have switched back, the bottom end torque of these engines is a huge benefit over their 18rc cousins. [Report message to a moderator]

	Subject	Poster	Date
	Slightly modded 18R-GE - What cams would be best?	blackRA28	Tue, 20 January 2004 15:55
	Re: Slightly modded 18R-GE - What cams would be best?	Steve M	Wed, 21 January 2004 03:34
	Re: Slightly modded 18R-GE - What cams would be best?	Steve M	Wed, 21 January 2004 03:37
	Re: Slightly modded 18R-GE - What cams would be best?	CelicaRA45	Wed, 21 January 2004 05:59
	Re: Slightly modded 18R-GE - What cams would be best?	omegaman	Wed, 21 January 2004 07:53
	Re: Slightly modded 18R-GE - What cams would be best?	blackRA28	Wed, 21 January 2004 05:56
	Re: Slightly modded 18R-GE - What cams would be best?	Steve M	Sun, 25 January 2004 04:31
	Re: Slightly modded 18R-GE - What cams would be best?	Steve M	Sun, 25 January 2004 04:48
	Re: Slightly modded 18R-GE - What cams would be best?	blackRA28	Wed, 28 January 2004 13:16
	Re: Slightly modded 18R-GE - What cams would be best?	Steve M	Thu, 29 January 2004 03:20
	Re: Slightly modded 18R-GE - What cams would be best?	omegaman	Sat, 31 January 2004 13:13
	Re: Slightly modded 18R-GE - What cams would be best?	hemi twofifteen turbo	Sun, 01 February 2004 02:39
	Re: Slightly modded 18R-GE - What cams would be best?	Mr DOHC	Sun, 01 February 2004 06:00
	Re: Slightly modded 18R-GE - What cams would be best?	blackRA28	Mon, 02 February 2004 13:33

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