[TR] TR4 valve cover

John Linney john at linneyweb.com
Thu Apr 2 19:07:33 MDT 2020


Early TR4s are like TR3s with the vented oil filler - no vent from the valve cover. Maybe you have excessive crankcase pressure due to blow by or worn valve guides? Have you done a warm compression test?

> On Apr 2, 2020, at 6:02 PM, bill beecher <notakitcar at yahoo.com> wrote:
> 
> Isn’t you valve cover vented to the carbs?  Maybe a plugged PCV valve?  If so, I would think you should not have a vented cap.  
> Bill
> 
> Stay Home, Wash Your Hands. 
> 
> On Apr 2, 2020, at 7:41 PM, dave <dave at ranteer.com <mailto:dave at ranteer.com>> wrote:
> 
> 
> My early TR4 (9,XXX) spits oil all over its nice chrome valve cover from the breather cap
>  
> Is there anything I can do about it other than clean it often?
>  
> Btw it has 89 mm pistons, mild cam, polished/ported/shaved head, etc
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