Oversize tappet guides already fitted ?

Technical advice Q&A

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lyons
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Joined: Thu Sep 03, 2009 2:23 pm
Great Britain

#1 Oversize tappet guides already fitted ?

Post by lyons » Sat Jan 24, 2015 4:32 pm

Cylinder 4.2 head being stripped for rebuild has a large number 2 stamped next to 3 of the exhaust tappet guides with a smaller stamping of jag 115 alongside.

Is this relevant to oversize tappet guides already fitted ?

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abowie
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Joined: Wed Sep 07, 2011 9:15 pm
Location: Australia
Australia

#2

Post by abowie » Sat Jan 24, 2015 10:12 pm

The stampings don't mean anything to me but it's easy enough to tell; just measure them.
Andrew.
881824, 1E21538. 889457. 1961 4.3l Mk2. 1975 XJS. 1979 MGB (supercharged).
Adelaide, Australia

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Topic author
lyons
Posts: 115
Joined: Thu Sep 03, 2009 2:23 pm
Great Britain

#3 Oversize tappet guides already fitted ?

Post by lyons » Sat Jan 31, 2015 2:03 pm

>Cylinder 4.2 head being stripped for rebuild has a large number 2 stamped next to 3 of the exhaust tappet guides with a smaller stamping of jag 115 alongside.

On closer inspection these 3 tappet guides have been replaced and can only assume it was done at build.

They not like the usual one piece oversize guides and are identified by having 2 rings of metal 1 inside the other.

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