Thats one way to de-carbonize a pipe

Does your Spree/Elite already run great, and you're trying to make it quicker/faster? Need a monster motor swap? Discuss your ideas here.

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dogmir
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Thats one way to de-carbonize a pipe

Post by dogmir » Fri Aug 31, 2012 8:15 am

Not sure how thorough this method is but interesting....
http://www.youtube.com/watch?v=fcoesvFsNUs

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Re: Thats one way to de-carbonize a pipe

Post by abreen89 » Mon Sep 03, 2012 12:49 am

That guys an idiot!! But this method looks feasible.
'89 Honda Elite SB50p STOCK
'85 Honda Spree NQ50 STOCK sold
'85 Honda Spree NQ50 48mm bbk, taz gears, 18mm carb w/ ct intake
'86 Honda Aero NB50 Stock In The Works ;)
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Thats one way to de-carbonize a pipe

Post by Carnie » Mon Sep 03, 2012 4:08 am

"...it's like blowing a heat gun through a pipe with a fire truck in
The back ground."

Lol so dangerous. So fun. What's he trying to catch on fire?
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motomech
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Re: Thats one way to de-carbonize a pipe

Post by motomech » Tue Sep 04, 2012 5:36 pm

Wouldn't work on these stock mufflers.
first off, the stock muffler has so much more mass that high enough temps couldn't be reached.
Secondly, more often than not, stock mufflers become restricted because the fiberglass lining the inside of the muffler body becomes saturated with oil. Enough oil, that once the muffler reaches a certain temp, the oil starts giving off fumes effectively choking the exh. flow.

Carbon or oil, there are two options to try and salvage a stock muffler.
One, cut the muffler body in half[about 2/3 rd.s of the way back] and using an acetylene torch to burn out the oil/carbon. This is a really messy, smokey job that can take hr.s.
Or two, if you can deal with a little more noise, give the muffler a "steel enema". I used to use a 14" long 5/8th" drill in a big two-handed motor and drill the muffler lenght-wise from the butt end. Much, much easier.

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Re: Thats one way to de-carbonize a pipe

Post by thekingof7 » Wed Sep 05, 2012 3:22 am

Is this actually dangerous?

And are you sure on that this wouldnt work on a stock pipe? ie my 87 spree pipe :D

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Re: Thats one way to de-carbonize a pipe

Post by abreen89 » Sat Sep 08, 2012 3:47 am

motomech wrote:Wouldn't work on these stock mufflers.
first off, the stock muffler has so much more mass that high enough temps couldn't be reached.
Secondly, more often than not, stock mufflers become restricted because the fiberglass lining the inside of the muffler body becomes saturated with oil. Enough oil, that once the muffler reaches a certain temp, the oil starts giving off fumes effectively choking the exh. flow.

Carbon or oil, there are two options to try and salvage a stock muffler.
One, cut the muffler body in half[about 2/3 rd.s of the way back] and using an acetylene torch to burn out the oil/carbon. This is a really messy, smokey job that can take hr.s.
Or two, if you can deal with a little more noise, give the muffler a "steel enema". I used to use a 14" long 5/8th" drill in a big two-handed motor and drill the muffler lenght-wise from the butt end. Much, much easier.
u just drill a hole??????
'89 Honda Elite SB50p STOCK
'85 Honda Spree NQ50 STOCK sold
'85 Honda Spree NQ50 48mm bbk, taz gears, 18mm carb w/ ct intake
'86 Honda Aero NB50 Stock In The Works ;)
'86 Honda Aero NB50 Stock

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motomech
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Re: Thats one way to de-carbonize a pipe

Post by motomech » Sat Sep 08, 2012 4:23 am

All the way though the two chambers inside the the muffler[It's really not a "pipe"].
I used a big two-handed drill motor.

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