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                           RV8-List Digest Archive
                                      ---
                     Total Messages Posted Sat 08/22/09: 2
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Today's Message Index:
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     1. 08:09 AM - Vetterman 4-into-4 RV-8/IO-390 Exhaust...  (Matt Dralle)
     2. 08:53 AM - Re: Vetterman 4-into-4 RV-8/IO-390 Exhaust...  (Tailgummer@aol.com)
 
 
 
________________________________  Message 1  _____________________________________


Time: 08:09:26 AM PST US
From: Matt Dralle <dralle@matronics.com>
Subject: RV8-List: Vetterman 4-into-4 RV-8/IO-390 Exhaust...


Dear Listers,

I got the Vetterman 4-into-4 RV-8/IO-390 exhaust system installed last weekend.    It fit perfectly, and looks awesome too!  I've attached a few pictures on the installation.  (Digest Listers: Check the Forums interface for the pictures at http://forums.matronics.com/viewforum.php?f=4 )

Here's my question.  How close should the pipes actually be to the bottom of the
exhaust ramp?  The mounting system will allow me to push them up pretty close,
but is that wise?  The installation instructions didn't really lend any guidance
here.

BTW, the IO-390 engine went on without a problem.  Here's some pictures:

	(7 Log Entries)

	http://www.mykitlog.com/users/display_log.php?user=dralle&project=638&category=2972&log=86633&row=29

And here's some real-time shots from the MattCams:

	(9 Log Entries)

	http://www.mykitlog.com/users/display_log.php?user=dralle&project=638&category=2972&log=86655&row=22

Matt Dralle
RV-8 #82880 N998RV
http://www.mykitlog.com/dralle
FWF

________________________________  Message 2  _____________________________________


Time: 08:53:11 AM PST US
From: Tailgummer@aol.com
Subject: Re: RV8-List: Vetterman 4-into-4 RV-8/IO-390 Exhaust...

The closer the exhaust pipes are to the exit ramp the more the exhaust 
pulses will affect the floor. This increases the risk of cracking the skin and

failing the rivets in the area. Some builders use the "turned down" 
extensions to mitigate this. Not sure if the benefits have other effects, though.
                                                                            
                John D RV8

 

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