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Steve M
Forums Junkie


Location:
Adelaide
Registered:
June 2003
Re: 18RG Con Rod Identification Sun, 22 May 2005 02:55 Go to previous message
Well, now I've finally got some of those square protrusion con rods.
casting numbers:
the one onfront of me is a 12GU.

This is definately different to the 942M from my spare lot.

They are visibly different.
The 12GU rod is have a much chunkier top end, the radius from the outside of the shaft to the outside of the small end starts about 2 thirds up the shaft and is consistent.
The 942M rod's radius from the shaft to the small end starts about 9mm down from the top of the shaft and is a tight curve. They also are about 35grams heavier than the supposed 18RGEU ones.
12GU - 792grams with cap (marked "1")and nuts
942M - 757grams with cap and nuts

the 18RG ones also have a slightly wider and much messier casting mark on their sides.
The 12GU rod's lower oil squirter is not countersunk from the crank side whereas the 942M's is.

The caps are also of slightly different appearance.
The 942M's no. 3 cap's thrust area has a larger cast lump on the front where it meets the lump of the rod than on the back.
The 12GU's no. 1 cap's thrust area has the same size lump on the frant as on the back.

If only I had a digital camera I could post up the pictures and show the differences.
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SubjectPosterDate
Read Message   18RG Con Rod Identification Steve MTue, 01 March 2005 00:15
Read Message   Re: 18RG Con Rod Identification ScootaphillTue, 01 March 2005 04:34
Read Message   Re: 18RG Con Rod Identification Steve MTue, 01 March 2005 08:42
Read Message   Re: 18RG Con Rod Identification Steve MWed, 02 March 2005 02:37
Read Message   Re: 18RG Con Rod Identification barned01Wed, 02 March 2005 05:54
Read Message   Re: 18RG Con Rod Identification Steve MWed, 02 March 2005 14:00
Read Message   Re: 18RG Con Rod Identification jeffro RA28Thu, 03 March 2005 07:28
Read Message   Re: 18RG Con Rod Identification jeffro RA28Thu, 03 March 2005 08:09
Read Message   Re: 18RG Con Rod Identification Steve MThu, 03 March 2005 10:51
Read Message   Re: 18RG Con Rod Identification Mr DOHCMon, 07 March 2005 12:13
Read Message   Re: 18RG Con Rod Identification Steve MMon, 07 March 2005 13:53
Read Message   Re: 18RG Con Rod Identification  Steve MSun, 22 May 2005 02:55
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