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Location:
Adelaide
Registered:
June 2003
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Re: 18rgu/rgeu build which way?
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Wed, 06 August 2003 14:58
 
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ok, first point, the 88253 and 88270 heads have the same size valves and can both be ported well from what I've read on the forums
the casting on the 88253 head is more susceptable (spelling) to cracking (as we found out, note, do not over torque your head as the previous owner of our's had done, you'll get a ten inch crack along it) than the 88270 head but the 88253 has better casting in the ports from the factory (better flow)
the 88253 cams should be better power wise but I am doubting that the cams you have are from a 88253 head.
What are the numbers on the cams, as early as 88251 had adjustable cam timing, these are what my brother had in his 88253 head when he got it.
I would hate to try to put in a new top timing chain with non-adjustable cam timing, it would be really, really hard.
The 88250 cams had a three bolt, non-adjustable gear on them from what I have seen (I've only seen one set though).
the compression ration from the 18rgu would be better than the 18rgeu (8.7:1 is better than 8.3:1)
the 88253 head could be used with the efi set up but you'd need to file some teardrops in (you'll see what I mean of you compare the entrances to the intake ports of the two heads.
running 225 series tyres on the front I am not surprised that it is heavy to steer, just swapping from crap 195s to aquatread 195s made a huge difference, it was so light before, and now it is heavy. I don't know much about the camber/castor kits but I would say that your steering will still be heavy due to the width of rubber on the road.
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| | Subject | Poster | Date |
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18rgu/rgeu build which way?
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omegaman | Wed, 06 August 2003 13:13 |
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Re: 18rgu/rgeu build which way?
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Steve M | Wed, 06 August 2003 14:58 |
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Re: 18rgu/rgeu build which way?
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omegaman | Thu, 07 August 2003 08:13 |
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Re: 18rgu/rgeu build which way?
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Steve M | Thu, 07 August 2003 12:44 |
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Re: 18rgu/rgeu build which way?
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blackRA28 | Thu, 07 August 2003 12:52 |
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Re: 18rgu/rgeu build which way?
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THE WITZL | Fri, 08 August 2003 07:47 |
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Re: 18rgu/rgeu build which way?
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clubagreenie | Sat, 09 August 2003 00:34 |
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Re: 18rgu/rgeu build which way?
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omegaman | Sat, 09 August 2003 04:09 |
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Re: 18rgu/rgeu build which way?
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Steve M | Sun, 10 August 2003 23:33 |
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Re: 18rgu/rgeu build which way?
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Steve M | Sun, 10 August 2003 23:35 |
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Re: 18rgu/rgeu build which way?
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omegaman | Mon, 11 August 2003 08:05 |
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Re: 18rgu/rgeu build which way?
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Steve M | Tue, 12 August 2003 04:03 |
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Re: 18rgu/rgeu build which way?
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omegaman | Tue, 12 August 2003 07:39 |
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Re: 18rgu/rgeu build which way?
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Bluewire | Tue, 12 August 2003 07:56 |
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Re: 18rgu/rgeu build which way?
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Mr DOHC | Tue, 12 August 2003 10:35 |
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Re: 18rgu/rgeu build which way?
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THE WITZL | Wed, 13 August 2003 01:53 |
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Re: 18rgu/rgeu build which way?
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Jason | Wed, 13 August 2003 02:23 |
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Re: 18rgu/rgeu build which way?
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Bluewire | Wed, 13 August 2003 07:56 |
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Re: 18rgu/rgeu build which way?
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omegaman | Wed, 13 August 2003 08:50 |
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Re: 18rgu/rgeu build which way?
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omegaman | Wed, 13 August 2003 09:09 |
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Re: 18rgu/rgeu build which way?
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Mr DOHC | Wed, 13 August 2003 12:47 |
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Re: 18rgu/rgeu build which way?
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clubagreenie | Wed, 13 August 2003 13:29 |
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Re: 18rgu/rgeu build which way?
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ed_ma61 | Wed, 13 August 2003 15:22 |
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Re: 18rgu/rgeu build which way?
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Steve M | Thu, 14 August 2003 04:41 |
