Re: [Amc-list] Carb adjustments - Holley 1909 one barrel

[Matt Haas <mhaas@xxxxxxx>]

Bruce,

10w40 is too thick unless the manual calls for it. Mobil 1 has a huge 
amount of detergent in it and is probably why your oil is so dark. That 
will clear up after a few oil changes but I would not use a synthetic 
oil on your motor until you rebuild it. The reason for that is it will 
clean up all of the sludge that is preventing oil leaks. BTW, you'll 
need to change the oil using normal intervals until it clears up if you 
stick with a full synthetic.

Concerning the wipers, make sure you have the vacuum lines hooked up 
properly at the pump. It should be marked which side is which. If that's 
okay, disconnect the vacuum lines, plug the line going to the engine, 
start the engine and check the vacuum on the outlet side. At 800-1000 
RPM you should have 14-19 inches of vacuum. If that is okay, the problem 
is most likely with the wiper motor. In any event, the wiper motor would 
likely benefit from fresh grease. It is a pretty easy job. Here is a 
write up on putting one back together: 
http://www.mattsoldcars.com/RestoreAmerican/vacuum_wiper_motor.shtml

Matt

On 10/16/2008 12:42 PM, Bruce Griffis spouted this sage advice:
> I changed the oil after putting the head back on, but did not change
> the fuel pump until just last week. When I changed the oil, I put in
> Mobil 1 10w40. I checked it today, and the oil was looking pretty
> dirty already, and it was higher than the full line (I put in 5
> quarts).
> 
> Either the Mobil 1 is causing havoc with my seals, or the old fuel
> pump leaked in gas that is causing issues. Anyway - it's leaking where
> it did not before. And I'm hoping it was the old fuel pump that leaked
> gas, not the replacement. But I didn't notice the smoke until I
> swapped out the fuel pump. Then again, we had the head rebuilt, my
> middle son rebuilt/cleaned the carb, we replaced the fuel pump and
> fuel filter and some of the fuel line all within a few weeks of each
> other. We might have had that issue, and I may not have noticed with
> all the other stuff going on.
> 
> So, I'll drain and change. Not sure if I'll try Mobil 1 High Mileage
> or go back to Dino oil. I'm seriously thinking dino oil for high
> mileage cars. It liked dino surprise before I had the head rebuilt, I
> think it would be a good choice now.
> 
> As a side note - the vacuum wipers worked fine off a line from the
> intake manifold. I hooked them up to the vacuum booster on the new
> fuel pump today. They need a little "push" to get 'em started. I'll
> figure it out.
> 
> 
> On Thu, Oct 16, 2008 at 11:58 AM, Jim Blair <carnuck@xxxxxxxxxxx> wrote:
>> I would check the oil to make sure it's not flooded with gas from the re-manned pump (that will give you smoke as it thins the oil out) You may have a float level issue that's causing the stalling. I set timing by ear or with a vacuum gauge. Same with adjusting the carb.
>>
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-- 
mhaas@xxxxxxx
Cincinnati, OH
http://www.mattsoldcars.com
1967 Rambler American wagon
1968 Rambler American sedan
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