3M Engines

[wgalligan]

Why would you have to drill new hole in the firewall.   The 3M fits just like an O.S. 1.40 to the dimension.  If you use the oring header and already have an engine mounted the header coupler may hit.  This is cured by moving the engine out to the end of the mount beams.  If the engine mount is already set in the plane then a Karl Mueller header willl work.  He makes one for us that fits great and will clear the mount.  His headers are T&A  <VBG> or email me off list for the fix I have and I'll send ou a photo.

WG

  thinking out loud. 
> 
> Would that not put the center of the engine off the center of the  > mount? Like maybe 3/8" off center? Does it matter?
> 
> GW
> 
> 
> 
>   ----- Original Message ----- 
>   From: Dean Pappas 
>   To: discussion at nsrca.org 
>   Sent: Monday, April 28, 2003 10:05 AM
>   Subject: RE: 3M Engines
> 
> 
>   The standard Hyde mount will accomodate the 3M or O.S. headers if it > is inverted. This does require drilling new holes in the firewall.
>   Regards,
>   Dean P.
>     -----Original Message-----
>     From: Kenneth Velez [mailto:kvelez at rochester.rr.com]
>     Sent: Wednesday, February 26, 2003 9:42 PM
>     To: discussion at nsrca.org
>     Subject: 3M Engines
> 
> 
>     Hello everyone,
> 
>     I have a question to those using the 3M Mintor engines. I'm trying > to figure out if the exhaust port bolt pattern is the same as in the OS > 1.40 RX. I can not use the stock heather on my plane set up because it > hits the engine mount and I was wondering if the Mac's heather for the > OS will fit.
>     Thanks in advance.
> 
>     Ken V.

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