Re: [Amc-list] Javelin Overheating

["I. Herman" <73jav@xxxxxxxxxxxxxxx>]

Could a bad vacuum advance cause these type of symptoms?

And oh yes....if it's drivable, it will be there :-D

--------------------------
I. Herman
1973 Javelin
Atlanta, GA


On May 8, 2007, at 8:34 PM, Tom Jennings wrote:

> On Tue, 8 May 2007, I. Herman wrote:
>
>> When the car is moving...there's no problem...but sit idle and it
>> will over heat and starts acting like it's going to stall (only in
>> idle & running).  Slight gas pedal pressing will keep it from
>> knocking off, but the thing is still over heating.
>
> Assuming you don't have a cooling system problem...
>
> If you have distributor vacuum advance taken off the port on the
> carburetor,  plug that up and take it directly off the manifold
> vacuum. You'll have to re-set the idle. It will run a lot cooler.
>
> Ported vacuum lowers idle NOx emissions by lowering combustion
> chamber temperatures -- but it does this by making all the heat
> go into the head, to heat the water!
>
>>
>> Thx in advance guys....if all goes well...i'll be able to drive it
>> (with confidence) to the Southeast Meet in October *crosses fingers*
>> (even if it's STILL in black primer :-P ).
>
> Drive it! A primered Jav is still a 34+ year old cool car!
>
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