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Does anyone have any experience / feedback with Brad Penn - Penn Grade 1 high performance motor oil?

Does anyone have any experience with Driven Racing Oil from Joe Gibbs Racing? It supposed to be specially formulated for classic cars and hot rods to protect internal parts with high levels of ZDDP. Also, because these cars are not daily drivers, it also claims to delivers storage protection...

I have a small block 350 in my car. Based on casting #'s (3970010) and engine code (V0806TXB) the block is from 1975. The cylinder heads (333882) are 1.94 intake, 1.5 exhaust and match the block. I know these heads are prone to run hot because they are lighter and have a double heat-riser but...

I have a small block 350 in my car. Based on casting #'s (3970010) and engine code (V0806TXB) the block is from 1975. The cylinder heads (333882) are 1.94 intake, 1.5 exhaust and match the block. I know that GM started making hardened valve seats for unleaded fuel in 1971 but the guy who built...

I have a Gen I Chevy Small Block 350 in my car and the previous owner was using NAPA NON-DETERGENT SAE 30 motor oil in the car. I have continued to use this oil since that is what has been in the engine prior to my ownership but I am curious what others use in this vintage motor?

I have a GM 7.5/7.625 10-bolt limited slip differential in my 1981 Chevy Monte Carlo and I am in the process of swapping out the differential cover and replacing the gear oil. I have a Gen I Chevy small block 350 with a TH350 transmission in the car and the previous owner used to drag race the...