[Healeys] crank case ventilation

[Michael Salter]

Hi Bob,
By installing an air intake filter on the valve cover you will be missing
out on one great advantage of a PCV system for a Healey engine.
A PCV system partially evacuates the crankcase and, in so doing, eliminates
the flow of oil laden air through the rear main seal. I had a hidden PCV
system on my BJ8 many years ago and it completely stopped a substantial rear
main seal leak that was caused by wear on the crankshaft scroll surface.

On Thu, Mar 18, 2010 at 2:21 AM, Bob Spidell <bspidell at comcast.net> wrote:

> That type/size filter is usually used on a PCV-fitted car as an intake
> filter on a valve cover.
> One possible problem with the PCV retrofit on a Healey is the PCV valve is
> usually fitted to draw gases through the 'T' fitting on the valve cover.  An
> exactly correct PCV installation would have the T fitting removed and
> something like this on the valve cover so air would be drawn in through the
> valve cover and gases--including blowby and air from inside the valve cover
> that gets pulled down the pushrod holes--to be sucked into the intake
> manifold (i.e. a truly closed system).
>
> I've considered this for my car but haven't tried it.
>
>
> bs
>
>
>
>
> Oudesluys wrote:
>
>> I have this fitted to my car. It keeps dirt from entering the crankcase
>> but it gets soked in engine oil and eventually drips oil.
>> Kees Oudesluijs
>> NL
>>
>> Carlos Cruz schreef:
>> All,
>>
>> Tom's Import Toys (
>> http://tomsimport.com/new/parts/parts.asp?sect=35&new=1) offers a nice
>> looking breather option you might want t consider for only $10.  No
>> financial interest.
>>
>> Cheers,
>> Carlos Cruz
>> _______________________________________________
>>
>
>
> --
> *******************************************************************
> Bob Spidell           San Jose, CA            bspidell at comcast.net
>
> *******************************************************************
>
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