Date: Sat, 24 May 2014 15:42:58 -0700
Reply-To: Stuart MacMillan <stuartmacm@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Stuart MacMillan <stuartmacm@GMAIL.COM>
Subject: Re: Engine Advice Needed
In-Reply-To: <2F564939-E0A1-418B-81FA-19BFC2B54E63@comcast.net>
Content-Type: text/plain; charset="us-ascii"
Yes that's hard to believe. I get 60 psi stone cold at idle for about 60
seconds, then it drops to about 15. Hot it's 8 and 28 @ 4000 rpm.
Stuart
Also ~ are you sure that "60PSI @ Idle Warm " is correct ~ That's
CrazyHigh ~
ORR ~ DeanB
On 24 May , 2014, at 12:25 PM, Don Hanson wrote:
> Thanks, Mark....I learned something there. It never occurred to me that
> the adjusters themselves could be worn...but now that you've pointed
> that out, I can certainly see the possibility...no, even
> likelyhood...of those adjusters getting worn or bashed flatter than
> before in just one spot...especially on a motor that had a big angle
> at that junction of moving parts.
>
> I've never heard of a WBX motor having 60psi oil pressure at warm
idle...
>
>
> On Sat, May 24, 2014 at 10:34 AM, mark drillock <mdrillock@cox.net> wrote:
>
>> If it was in my driveway the test would now be to loosen the valve
>> adjusters a full turn on that low reading cylinder. Then compression
>> test that cyl again.
>>
>> At this point I would pull the 1 plug, test the compression again to
>> get a new base reading and since the other plugs are still in, then
>> remove valve cover, loosen 1 adjuster for that cyl exactly 360
>> degrees. Test compression, loosen the other adjuster 360 degrees,
>> test again. The reason for 360 degrees is that the adjusters get flat
>> spots worn into them over time and a fraction of a turn loosening can
>> actually bring a high spot into position and then the clearance is
>> actually tighter rather than looser. Having 2 new adjustors on hand
>> might be good too so you can replace the adjusters if mushroomed or
pitted.
>>
>> Mark
>>
>>
>>
>> Loren Busch wrote:
>>
>>> In a '90 Westy, stock 2.1L WBX with 185k miles, auto tranny
>>>
>>> Recent compression test is 150, 145, 135, 70. Number one is 70.
>>> So, two questions.
>>> How long can I drive with this condition before I have major problems?
>>> And second, what is my best solution to this.
>>> BTW, oil pressure is good, 60 psi at idle warm.
>>>
>>>
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