View topic - Question on '55 DeSoto 291 C.I.D

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PostPosted: Mon Nov 15, 2010 12:22 am 

Joined: Thu Oct 21, 2010 9:12 pm
Posts: 2
Not sure how this works-this may be a duplication.
Over a period of 3-5 days of no use the oil filter empties back into the pan, therefore taking 3 to 5 seconds to develop pressure on start up.The pressure is fine during running, even at slow idle during hot summertime driving.
I see no evidence or literature indicating that there is a check-valve in the system to prevent this.
My question is---Is there such a check valve that I am overlooking or is there an after market filter base that would accept a spin-on filter that by design would negate such a problem?
If you can help, you may contact me at : or by phone 518-399-0034.
Thanks, Willard Sproat, Rexford, NY

PostPosted: Mon Nov 15, 2010 12:47 am 

Joined: Mon Aug 09, 2010 6:43 pm
Posts: 912

I have owned my '55 for nearly 30 years. Low oil pressure upon cold start has been typical all the years I've owned the car. It's likely magnified when you live in a northern climate like NY. As you noted, the pressure builds to normal within 5 seconds and I try not to rev the engine until the pressure has reached normal.

These guys specialize in performance related parts for the old Hemis. As I recall they offer a spin-on filter housing for the old Hemis:

Good luck with the '55!


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