[DeTomaso] What is this engine noise?

[sean mundy]

At first I noticed it after it was hot.  I got home and it was not making the noise anymore. I took the valve covers off cause it seemed that might be where it was coming from.  Got a lot of good ideas of other things to check now.  Thank you  :)



> On Aug 30, 2018, at 5:55 PM, Sean Korb <spkorb at gmail.com> wrote:
> 
> It sounds fantastic! I had the subwoofer set up so at first I was like
> "what noise?" But the noise could be a tiny vacuum leak too making a
> whistling noise.  Maybe even whistling through the carburetor
> venturis.  It's a little shocking how much noise a carburetor actually
> makes, automakers would build baffles and play with air box size to
> quell it.  A smoke generator could show any leaks.  Is the motor hot
> or cold or it doesn't matter when you hear the noise?
> 
> I do like the baffle theory but I kind of expect it to be noisier.
> The noise also sounds very familiar... like around old cars but
> benign-ish.  Honestly it seems weird to me that I don't know what it
> is.
> 
>> On 8/30/18, sean mundy <seanmundy at hotmail.com> wrote:
>>   I can not figure out what this noise is or where its exactly coming
>>   from.  I've checked the rocker arms and they are all tight.
>>   I have roller rockers and lifters.  Is this the sound if one of them is
>>   bad?
>>   [1]https://youtu.be/o4Q06VvjuWI
>> 
>> References
>> 
>>   1. https://youtu.be/o4Q06VvjuWI
>> 
> 
> 
> -- 
> Sean Korb spkorb at spkorb.org http://www.spkorb.org
> '65 Suprang,'68 Cougar,'78 R100/7,'60 Metro,'59 A35,'71 Pantera #1382
> "The more you drive, the less intelligent you get" --Miller
> "Computers are useless.  They can only give you answers." -P. Picasso