Date:         Wed, 1 Apr 2020 16:50:35 -0700
Reply-To:     Neil N <musomuso@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Neil N <musomuso@GMAIL.COM>
Subject:      Re: New engine, was Re: Ecu fix addendum
Comments: To: Dennis Haynes <d23haynes57@hotmail.com>
In-Reply-To:  <CAB2RwfjK3CqCf2VuXNYCwR-g_G3pnySXWhb3H-KC9FQpwWAjYw@mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"

 > ...... air cleaner so rough idle *may* be due to a lack of the 27 valve shown
> in this diagram

Meant: valve, or whatever it is, that 27 attaches to.

Neil.

On 4/1/20, Neil N <musomuso@gmail.com> wrote:
> Reasons for wondering if head needs new parts, valve lapping:
>
> - engine had 250K KM"s, maybe more, looked like it had a tough life
> (lots of oil leaks, piston skirts quite scuffed)
> - first start engine cold, it idles rough for about 30 seconds. Cause:
> lazy or leaking down lifter? Once warmed up, it idles fine.
> - machine shop checked valve(s) seal using compressed air. Was test
> thorough?
> - I replaced all bearings, rings, pistons so seems a shame I didn't
> rebuild the head too.
>
> My '81 and '88 Vanagons have the same ABA 2.0 swap. The '81 has always
> idled a bit rough after first start for about 5 - 10 seconds but the
> '88 behaves much differently in that regard. Neither uses the ABA 2.0
> air cleaner so rough idle *may* be due to a lack of the 27 valve shown
> in this diagram
>
> https://tinyurl.com/typy8zc
>
> All that said, the engine has good acceleration and power albeit with
> a rare intermittent stall when coming to a stop.
>
> Neil.
>
> On 4/1/20, Dennis Haynes <d23haynes57@hotmail.com> wrote:
>
>> Why? Do you suspect or have a valve issue? I've seen my share of rings
>> and
>> piston issues with these motors.
>> Dennis
>>
>>
>>
>> -----Original Message-----
>> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
>> Of
>> Neil N
>> Sent: Wednesday, April 1, 2020 2:03 PM
>> To: vanagon@GERRY.VANAGON.COM
>> Subject: Re: New engine, was Re: Ecu fix addendum
>>
>> On 4/1/20, Neil N <musomuso@gmail.com> wrote:
>>
>>>  ....  Of note, I regret not having the head re-valved on my ABA
>>> rebuild .....
>>
>> Meaning: new lifters, possibly valves or at least lap them, machine as
>> needed.
>>
>>
>
> --
> Neil n
>
> VE7TBN
>
> 1988 Westy 50º ABA swap: https://tinyurl.com/yap5hpwt
>
> 1981 Westy 15º ABA swap: https://tinyurl.com/y9n4xob8
>
> VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>
>


-- 
Neil n

VE7TBN

1988 Westy 50º ABA swap: https://tinyurl.com/yap5hpwt

1981 Westy 15º ABA swap: https://tinyurl.com/y9n4xob8

VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>