Head re-assembly

General Chat About Exhaust, Cylinder Heads, Fuel Systems And Intake

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Cavman
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Joined: Mon Dec 31, 2007 10:07 am

Post by Cavman »

ZDDP, I'd never heard of that. One quick google later and some very interesting stuff! I don't know why but it has never occurred to me that oils would have changed so much in such recent times. I mean from the 50's to now sure, but the 90's?! :shock:
thanks for the tip :D , the machinist also advised a dab of Graphogen paste on all the metal-metal surfaces too, I've got a tube of that in the cupboard so I'll do that too.

James


I wish I had a pound for every time some one told me "My Dad had one of those!"

'78 Cavalier Coupe GLS 2000
DEVONMAN
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Location: Croydon UK

Post by DEVONMAN »

It's my opinion that each type of engine needs a different set of criteria for camshaft installation.
The RV8 and other v8's are particularily prone to camshaft wear as they rely to a great extent on splash lubrication to the lobes. Overhead cam engines however tend to have a pressure fed plentiful oil feed system and can survive some rule bending.
Personally, I'd do the job properly but in the case of the Vauxhall, I'd be tempted to just fit a new set of followers and suck it and see.
Good luck
Denis
1950 A40 Devon Hotrod with 5.0 twin turbo RV8.
EDIS8 wasted spark, Holley Injection.
Been as far as the Moon and back in 57 years of driving. Same Car, 5 engine upgrades !!!


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