|  | Topic : Question on Punching the Baffles- |  |
| | | SmokinLoon | | Set |  |  | | Reg. Date | : | 12/06/2012 | | Posts | : | 154 | | Location | : | South Dakota, United States |
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| | Posted : 04 Oct 2012 - 21:53 Post title : Question on Punching the Baffles- | | | I've recently taken a steel rod that is 3/4 in diameter that had a nice tapered point on one and driven it through baffle in each pipe. The first went as smooth as can be, I just tapped on the rod with the 3lb hammer until it gave in and ultimately made a nice clean hole dead center in the baffle. While doing the second baffle I thought everything was fine until I looked in to the rear of the pipe... evidently the steel rod got a wee bit close to the factory port and it collapsed the baffle between it and the hole I made. In short, there is about double the opening in one baffle as compared to the other.
Is this a problem? Will this harm my engine? Should I just try and make the "good" hole bigger to match more closely or just leave it alone? Thanks for the help!
| I notice when I arrive at a typical rally all of the HD riders bow down down out of respect. My friend (an HD rider) says that I'm mistaken and that the HD guys are bending over to pick up rocks to throw at me. Thankfully, I have yet to be hit by a rock and if need be I can out run them all. 
| | Post edited by SmokinLoon on 04 Oct 2012 - 21:53 |
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| | | davetac1 | | Thunderbird | | | Reg. Date | : | 06/09/2010 | | Posts | : | 8,379 | | Location | : | Haverhill, Ma., United States |
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| | Posted : 04 Oct 2012 - 22:32 Post title : Re: Question on Punching the Baffles- (Re: SmokinLoon) | | | Both exhaust channels should be equal.If one exhaust channel is different from the other,exhaust back pressure will be uneven resulting in poor scavaging from that one cylinder,[or bank of cylinders,depending on application] which inturn means loss of power from that cylinder/ bank of cylinders.In other words,your motor won't run as efficiently as it should.But more then likely ya won't even notice it,unless you've really restricted that muffler.If it were me,I d atleast try to make both sides even but would suggest leaving things alone in the future unless ya know what you're doin as it could become rather expensive.  Dave!!!
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| | | Leethal | | Zeus | |  | | Reg. Date | : | 24/01/2011 | | Posts | : | 6,520 | | Location | : | Australia |
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| | Posted : 05 Oct 2012 - 00:35 Post title : Re: Question on Punching the Baffles- (Re: SmokinLoon) | | | I have a set of original longs unused
If you want to try again.
| Experience is something you get just after you needed it
1600,Foran Razorbacks, Meerkat bypass, Dyno tune, real headlight,plenty of chrome,switchblade pegs, Nitron R3 shocks & Ikon progressive fork springs etc. Scorpion Western Low handlebars. PH adjustable fork caps.
| | Post edited by Leethal on 05 Oct 2012 - 00:35 |
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| | | SmokinLoon | | Set | | | | Reg. Date | : | 12/06/2012 | | Posts | : | 154 | | Location | : | South Dakota, United States |
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| | Posted : 07 Oct 2012 - 03:19 Post title : Re: Question on Punching the Baffles- (Re: SmokinLoon) | | |
I was told by a Triumph mechanic that unless that are drastically different then there wont be an issue. However, I was advised to try and get the holes as close as possible in size to keep the engine as balanced as possible. I put the rod back in the punched the one side a bit larger so now there is no difference in size at least to the naked eye. As I peer in to the rear of the pipes it does look like I've gotten them as close as can be.
This was sort of those no brainer' questions that I should have/could have answered myself but figured I'd see what the consensus was. 
The bike sounds great, the lower rumble and slightly louder roar is nice to have. 
| I notice when I arrive at a typical rally all of the HD riders bow down down out of respect. My friend (an HD rider) says that I'm mistaken and that the HD guys are bending over to pick up rocks to throw at me. Thankfully, I have yet to be hit by a rock and if need be I can out run them all.
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