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OMC 2 cyl 40,48,50 & 60 HP improved performance

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jimi
 PostPosted: October 22nd, 2016, 3:33 pm   
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Joined: July 26th, 2013, 9:56 am
Posts: 7
Location: Toronto/Haliburton
I was reading in another forum that removing the Exhuast Pipe (some times call expansion chamber or tunner) inproves the WOT performance of these engines.

Has anyone done this?
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LittleCharger
 PostPosted: October 22nd, 2016, 6:22 pm   
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Aren't you running a sst45 motor? It would already have the correct tuner length in it for your tunnel. What kind of rpm are you turning now?

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jimi
 PostPosted: October 23rd, 2016, 10:41 am   
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Joined: July 26th, 2013, 9:56 am
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Location: Toronto/Haliburton
The idea regarding removing the tuner cam from some 45ss guys on Scream and Fly
http://www.screamandfly.com/showthread. ... -amp-60-HP

I re-read the post and it isnt clear. I was just wondering if those who favor "top end" or "mid-range" have tried this.
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