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Aircooled RD Tech Help 200cc and Below
 Aircooled RD Tech Forum : Tech Zone : Aircooled RD Tech Help 200cc and Below
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76dxter
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Quote 76dxter Replybullet Topic: exhaust de-cokeing
    Posted: 12/Mar/2010 at 6:27pm
hi all,do any of you guys have a super douper way of de-coking standard exhaust's if so how and what chemicals do you use? i remember 20 years ago using caustic soda i think,there must be a more up to date way by now.
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lindow
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Quote lindow Replybullet Posted: 12/Mar/2010 at 6:48pm
i'd be interested in other replies to this as well.

I tried de-coking my silencers last year, didn't use caustic soda I stuck a hot air gun down the outlet and heated up the sludge (it didn't half smoke ) and tipped it out etc.

I think it helped quite a bit, but it's likely that caustic soda will still be the best bet.
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76dxter
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Quote 76dxter Replybullet Posted: 12/Mar/2010 at 6:53pm
when i did years ago you had to leave it bubbling away for like 2/3 days topping it up with soda and water on the way real dirty job.
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mr sheene
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Quote mr sheene Replybullet Posted: 12/Mar/2010 at 7:11pm
Still caustic soda mate nothing changed.Stew
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76dxter
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Quote 76dxter Replybullet Posted: 12/Mar/2010 at 7:15pm
thanks stew,dirty job ahead then i guess
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350lc
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Quote 350lc Replybullet Posted: 12/Mar/2010 at 8:16pm
caustic soda still the best bet
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76dxter
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Quote 76dxter Replybullet Posted: 12/Mar/2010 at 8:36pm
so plug up 1 end put in solution(what 5/1 / 10/1)and let it do its thing?
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D.J
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Quote D.J Replybullet Posted: 13/Mar/2010 at 12:22am
I heard that you can use an oxy set with a cutting tip to heat up the coke on one end then once is glowing red you turn off the acetelene and pour heaps of oxygen in there and it will burn it all out , lots of smoke apparently .
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