<VV> Die! Dieseling Corvair, Die!

[henry kaczmarek]

Frank
GM Top End Cleaner is a Goodwrench Product, only available from a GM dealer.

the 1959 tuneup, as it was called in those days, blew the carbon out of 
cranky engines in used cars and settled them down enough to sell without 
much more ado.

Spray some in the Spark Plug holes, replace plugs and let sit for 24 hours. 
Then Fire it up.  It will LOOK like you blew out some carbon, then start 
goosing the throttle while spraying down the carb throat.

This can also be done with SEAFOAM Engine Treatment. just drizzle some down 
the carb throats, then dump some in to cut off the engine.  Dump about 1/3 
of a can in the carbs, 1/3 in the crankcase, and 1/3 in the gas tank. 
Then--Fire it back up....it will smoke like a freight train for about 20 
minutes.  Then take it out for a drive.

Hank
----- Original Message ----- 
From: "Frank DuVal" <corvairduval at cox.net>
To: "Tony Underwood" <tonyu at roava.net>
Cc: "Virtual Vairs" <VirtualVairs at corvair.org>
Sent: Monday, September 11, 2006 1:02 AM
Subject: Re: <VV> Die! Dieseling Corvair, Die!


>I am also a big fan of the tiny stream of water through the carb to clean 
>carbon from cylinders.
>
> But, there is also a product that does similar cleaning, and it is 
> designed for this, GM Top Engine Cleaner. AFAIK, it is only sold at GM 
> dealers, but check around. Follow the directions on the can and it should 
> work well.
>
> I'll stick with water for the occasional knock exercism.
>
> Frank DuVal
>
> Tony Underwood wrote:
>
>> At 01:20 hours 09/10/2006, Charles Lee at Proper Pro Per wrote:
>>
>>> Isn't it just that part of the combustion chamber (dirt, whatever) gets 
>>> so hot that it ignites the fuel/air coming in, regardless that there is 
>>> no electric spark to ignite it ?
>>>
>>> Lots of ways for that to happen, right ?
>>
>>
>>   I started putting a notion to work with a weekly routine of starting 
>> the engine, running it up to temp and then dragging out the garden hose, 
>> adjusting it for a small steady stream, and simply spurting water down 
>> the intake while buzzing the engine at around 4000 rpm.    I gave it this 
>> sort of treatment for about ten minutes, watching the steam come out the 
>> tailpipes.   I did notice that when I shut the engine off after this 
>> treatment, it didn't diesel.
>>
>> I kept this up weekly, and my diesel issues went away for good, never 
>> came back.
>>
>> I stopped doing the water trick when it finally came down to no more 
>> leaded gasoline being available courtesy of the gubmint's desires to 
>> remove lead from the environment.
>>
>>
>> Interestingly enough, the pinging came back when the lead went away, had 
>> to drop the timing back a bit... which should have caused even more of an 
>> issue with run-on  but the dieseling didn't come back.
>> <snip>
>>
>> This post is my opinion and reflection only, and is not to be taken as 
>> bona fide lawful authorized and approved technique to prevent dieseling 
>> or pinging in Corvairs or other makes.   Do NOT simply hang a garden hose 
>> in the carb and pour it full so as to "wash out" the chamber like one 
>> moron I knew attempted,with the engine sitting there not running, 
>> couldn't understand why the engine hydrolocked afterwards when he tried 
>> to start it.    With the engine running at a brisk clip, even a trickle 
>> of water goes a long way when doing this sort of thing.     Don't try it 
>> unless you know exactly what you're doing.
>>
>>
>>
>> tony..
>>
>>
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