[TR] TR4 valve cover

John Linney john at linneyweb.com
Fri Apr 3 11:26:18 MDT 2020


I have seen people route that vent to a catch can, or even just perch a small breather on it. Like this https://mossmotors.com/engine-breather-filter-inlet



> On Apr 2, 2020, at 9:28 PM, Jim Mills <jbmills at roadrunner.com> wrote:
> 
> 
> Bill’s comment begs a question or two.  My later TR4 has the valve cover vented to the carbs.  You cannot (at least I have not found any) buy any of the air filters for this system.  How do I remedy this problem?  I was told to NOT plug that vent from the valve cover.  Suggestions?  Jim Mills
>  
> From: Triumphs [mailto:triumphs-bounces at autox.team.net] On Behalf Of bill beecher
> Sent: Thursday, April 2, 2020 6:03 PM
> To: dave <dave at ranteer.com>
> Cc: triumphs at autox.team.net
> Subject: Re: [TR] TR4 valve cover
>  
> 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> 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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