Date: Wed, 1 May 2013 15:10:21 -0700
Reply-To: Jeff <vw.doka@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Jeff <vw.doka@GMAIL.COM>
Subject: Re: Painting the exhaust - High Temp - POR??
In-Reply-To: <51814E5D.8060802@ucsb.edu>
Content-Type: text/plain; charset=ISO-8859-1
I was importing pipes from Ernst in Germany last year. Quality was a
little better, but not the price.
Cheers,
Jeff
On Wed, May 1, 2013 at 10:18 AM, John Goubeaux <john@ucsb.edu> wrote:
> I've used Rustoleum Hi Heat paint but as Dennis points out it eventually
> comes off. I did coat a brand new set of Dansk pipes when I was doing a
> rebuild with the engine out and it really did not last long before it
> burns off. The pipes do come with a primer but after the fact I am
> wondering if the primer they use is in fact Hi heat ? Meaning did that
> shorten the ability of the top coat to resist heat ?
>
> Over all though the Dansk pipes, from my experience, are poorly
> manufactured and often do not fit properly and fail. And, it's my
> understanding that they are the only after market pipes available ? In
> my case the rear manifold hits the rear engine mount bar at startup and
> stops of the engine ( eg the clearance is too small). If I was to do it
> again I would maybe consider paying for the more expensive stainless
> pipes that are being made, as I assume they are being more carefully
> made to fit properly.
>
> I'd be interested in hearing if anyone has any experience with the
> stainless pipes being made ? eg:
>
> http://www.gowesty.com/ec_**view_details.php?id=23768&**
> category_id=&category_parent_**id=<http://www.gowesty.com/ec_view_details.php?id=23768&category_id=&category_parent_id=>
>
> -john
>
>
>
> On 4/30/13 7:07 PM, Dennis Haynes wrote:
>
>> Unless your planning on doing this say every oil change I wouldn't bother.
>> Longest life will be had with regular use. Short drive cycles and letting
>> the van sit will also mean the exhaust will rust from the inside out. At
>> this point it is most likely a Dansk brand exhaust so in addition to rust
>> there will be flange failures or the pipes themselves will crack usually
>> in
>> the bend just after the flanges. Just use good hardware and anti seize so
>> the parts are easy to change when needed. When the engine pipes need
>> replacing consider going to the 86+ exhaust. Changing the rear mount
>> casting
>> will also allow you to use the later muffler and supports.
>>
>> Dennis
>>
>>
>> -----Original Message-----
>> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.**com<vanagon@gerry.vanagon.com>]
>> On Behalf Of
>> Jeff Lincoln
>> Sent: Monday, April 29, 2013 4:03 PM
>> To: vanagon@GERRY.VANAGON.COM
>> Subject: Painting the exhaust - High Temp - POR??
>>
>> So while I'm under the bus working on the clutch I had an exhaust issue to
>> fix (rusted through at collector). The headers are crusty but not close to
>> rusted through. I'd like to paint them with a POR type paint - POR has a
>> couple of High temp options (Black Velvet and POR-20 Aluminum) The first
>> rated for 1200° and the other for 1400° - the aluminum says it is salt an
>> weather resistant.
>>
>> So the Aluminum sounds like it fits the bill but POR says to use regular
>> POR-15 (as long as the parts don't exceed 450°). I think they didn't catch
>> what I was asking them :)
>>
>> Anyone ever used the aluminum stuff? Or other products?
>> Thanks,
>>
>> Jeff
>> '85 GL (Gertie)
>> '78 Bus (Melissa) Patty's Bus
>>
>
| 
