John, I have had the Danish exhaust pipes on both my 1.9 and 2.1 with no
issues at all, so I'd tend to look for worn or broken engine and/or
transaxle mounts.

Jake

On Tue, May 31, 2011 at 3:35 PM, John Goubeaux <john@ucsb.edu> wrote:

> So , just to follow up on this thread I determined that the "clunk"
> noise I ( sometimes) hear when starting or stopping the engine is the
> rear exhaust header hitting the rear engine mount bar.  I replaced the
> exhaust headers on the new engine (after marker Danish ones) and along
> with poor quality issues ( one of them had a cracked weld at the flange)
> it looks like the bend on the rear pipe comes too close to the rear
> engine mount allowing it to hit the mount bar. Not sure if I can get a
> muffler guy to fix this or not but at least i know what is causing it.
>
> I'm surprised no one else has had this problem as well, as I suspect a
> lot of people are using the aftermarket pipes being sold. These were
> purchased from Van Cafe.
>
> -john
>
>  Guys,
>>
>> I have roughly 500 + miles on a new GoWesty 2.2 engine that I just
>> installed and am curious about an odd noise it makes, but only when it
>> is warm, eg been brought up to temp. On startup, ie cranking, just
>> before it starts and when turning of the engine there is a small clunk
>> noise. Almost as if before and after  ignition takes place a compression
>> sound as the engine comes to a stop. The engine runs fine and there are
>> no odd noises while running only at start and stop. I have not been able
>> to listen to it back at the engine compartment yet but am planning to do
>> so. Nothing is loose that can explain this and maybe it is a normal
>> sound and is compression on these engines? Oddly it only exhibits this
>> noise when hot though. Could it be a loose head? Sticking valve?
>>
>> Logically I am being very careful to break it in properly and am
>> listening and watching its behavior carefully and want to ensure that
>> this is not something that is going to end up being an issue down the
>> road.
>>
>> Any ideas ?
>>
>> -john
>>
>

--
Jake

1984 Vanagon GL 1.9 WBX - 'The Grey Van'
1986 Westy Weekender/2.5 SOHC Subie - 'Dixie'

Crescent Beach, BC

www.thebassspa.com
www.crescentbeachguitar.com
http://subyjake.googlepages.com/mydixiedarlin%27