Got the 1932 Ford roadster on the road with just 200 miles on it. The 1994 LT1 engine seems to be very content. Today the temp is 100 degrees with a blacktop temp of 140. Was in stop and go traffic and did not have to use the electric fan as the temp stayed at 180 and slowly went to 185-190 sitting still. Of course the oil pressure went to 15 lbs at idle during the ride but 50 at hyway speeds.

 

Thats cool! /\

 

how many miles on the engine? 15 lbs is normal for a higher miles lt1 at idle with 5w30w oil.

 

Rule I was always told is 10 PSI per 1000 RPMs or the engine could hurt itself. It gets a little funny under 1000 RPMs. Fact is that most non professional gages are not that accurate under 10 PSI. Before doing anything because of your oil pressure verify the oil pressure with a good hand held gages. IMO about 90% of the "low oil pressure" complaints with no other symptoms end up being gage issues.

Oil temp gages are great to keep an eye on your oil. About 25% of all heat that is in the engine passes through the oil at some point. It is possible to have a motor that is not getting "hot" but the oil can be hotter then it should be. This is why oil coolers exist.

Hotter the oil the thinner the oil, Age can effect Dino oil more then synthetic. A year old non-synthetic oil will effect oil pressure.