Author Topic: Plugged up stuff  (Read 2147 times)

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Offline rocketman

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Plugged up stuff
« on: May 20, 2009, 06:50:29 PM »
I boil everything. Carburetors,fuel petcocks,exhaust pipes,baffles,everything. Clean it first with solvent and warm soapy water,or pressure to remove the bulk of loose material. Make sure there is no gasoline or other flamable materials left. Be careful of which of your wifes best pots to use,and boil! Solvents other than real,volatile,carb cleaner will often not clear the laquered,varnished,clogged passages in carbs,etc. It may loosen and temporarily soften the material,but then it often will not come out of the passages and quickly re-blocks them. laquer thinner can do the same. The extreme heat of boiling afterward seems to do the job for me,"personally",every time. There is a concern of melting or warping plastic / neoprene parts. I've never had a problem,but try to remove all these parts beforehand if possible. Also rubber parts swell,but contract again when cool. If the rubber is dried and cracked when you start,it will be dried,cracked,and potentially ruined just like other methods when your done. After boiling,you will then need to re-clean the part with carb cleaner or solvents to remove the left over residue. Scared yet?  Mark.
« Last Edit: July 10, 2009, 08:30:19 AM by rocketman »

Offline rocketman

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Re: Plugged up stuff
« Reply #1 on: May 20, 2009, 06:58:22 PM »
And stuff thats to big to do yourself,like a whole exhaust pipe,take to your local automotive machine shop,or local mechanical shop that does engine rebuilding. Most of them now have high heat detergent washers. Better yet is any electric motor rebuilder. They have ovens to cook the laquer out of motor windings and frames,and will usually be glad to put your item in the oven. (tip the shop foreman!). Mark.

Offline Jeff McBrayer

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Re: Plugged up stuff
« Reply #2 on: May 22, 2009, 11:30:58 AM »
Mark  The oven works well, also many shops have a "shot tumbler" with is great for many parts too. Jeff
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Offline rocketman

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Re: Plugged up stuff
« Reply #3 on: May 22, 2009, 02:59:58 PM »
Shot tumbler's great on a lot of stuff,but watch anything made of sheet metal. I had a pair of Olds valve covers ruined by a machine shop who put them in the tumbler. They warped up real bad. We also later agreed that things like the valve covers ,which had baffles spot welded inside them,were a poor candidate for for shot anyway because the shot could become wedged into some of the small crevices and then possibly come out later and go through the engine. 

Offline rocketman

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Re: Plugged up stuff
« Reply #4 on: July 10, 2009, 08:26:59 AM »
I am reviving this topic to allow quick reference for new members. does anyone have anything to add concerning cleaning?  Mark.

 


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