| | | Motorized Bicycle General Discussion Topics on bicycle engine kits, help articles, repair and modifications for your motorized bicycles | missing thread (boost porting) Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle General Discussion forum. hey some of you probably checked out the thread that demonstrates removing part of the
cylinder wall to increase air ...  | | 
02-05-2009, 11:58 AM
|  | Motorized Bicycle Elite Member | | Join Date: Aug 2008 Location: nh
Posts: 416
| | missing thread (boost porting) hey some of you probably checked out the thread that demonstrates removing part of the
cylinder wall to increase air flow. does anyone know what happened to this thread? i am still considering doing this mod but i wanted to hear more about what everyone else thought. 
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02-05-2009, 12:02 PM
|  | Motorized Bicycle Elite Member | | Join Date: Mar 2008 Location: Bellingham, WA
Posts: 535
| | Re: missing thread (boost porting) | 
02-05-2009, 12:09 PM
|  | Motorized Bicycle Elite Member | | Join Date: Jun 2008 Location: Longmont, CO
Posts: 1,597
| | Re: missing thread (boost porting) There was another one by someone else that basically opened up the transfer ports in the bottom of the cylinder (with a half hacksaw) and referred to it as boost porting...and I can't find it.
edit - I know for a fact that I was subscribed to it. I've gone back to the beginning of Jan and can't find it. Lame.
Last edited by jasonh : 02-05-2009 at 12:16 PM.
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02-05-2009, 12:42 PM
|  | Motorized Bicycle Elite Member | | Join Date: Aug 2008 Location: nh
Posts: 416
| | Re: missing thread (boost porting) thanks ghost, thats a similar thread.
thats exactly what i did. :/ i wonder what happened to it?
did either of you try this mod? i know other engines are built this way but im cautious.
thanks
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02-05-2009, 12:46 PM
|  | Motorized Bicycle Elite Member | | Join Date: Jun 2008 Location: Longmont, CO
Posts: 1,597
| | Re: missing thread (boost porting) are you referring to the thread that's still missing where the hacksaw was used? I haven't tried it, but I would like to eventually. | 
02-05-2009, 01:02 PM
|  | Motorized Bicycle Elite Member | | Join Date: Aug 2008 Location: nh
Posts: 416
| | Re: missing thread (boost porting) i am.
i think i'll give it a shot and make a new thread with pics and if it was good.
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02-05-2009, 01:16 PM
|  | Godfather of Motorized Bicycles | | Join Date: Jan 2008 Location: Ashtabula county, Ohio
Posts: 7,081
| | Re: missing thread (boost porting) Guys- the thread was deleted due to the original poster going ballistic and saying things like "I've seen the questions you idiots ask and this is the best thing you'll ever do to your engine" "I know more than all of you put together" ect.
It was in response partly to me saying "Do this mod at your own risk and be ready to have to buy a new jug if it screws the cylinder up."
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02-05-2009, 01:18 PM
|  | Motorized Bicycle Elite Member | | Join Date: Jun 2008 Location: Longmont, CO
Posts: 1,597
| | Re: missing thread (boost porting) Well I had never seen those posts. May have been more appropriate to delete the offending posts and lock the thread, that way it was still there for reference. | 
02-05-2009, 01:21 PM
|  | Godfather of Motorized Bicycles | | Join Date: Jan 2008 Location: Ashtabula county, Ohio
Posts: 7,081
| | Re: missing thread (boost porting) Here's the bottom line- If you want to hack up your engine, do so at your own risk, and have fun....these engines are cheap enough, but the advice was not proven to be sound, and there is always a chance that a newb may take it as gospel and ruin an engine.
The reaction of the OP was enough to remove the whole thread.
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02-05-2009, 01:26 PM
|  | Godfather of Motorized Bicycles | | Join Date: Jan 2008 Location: Ashtabula county, Ohio
Posts: 7,081
| | Re: missing thread (boost porting) Sometimes, it's hard to make everyone happy, so the decision is made to do what is best for the "masses."
If someone reacts in such a froward way as the OP did, then we don't need them or their "advice" here....Flame wars, admonitions, ect. are not what we do here.
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