Recent content by dltowers

I have chosen Valvoline VR1 SAE 30 to use in my older flat tappet engine. Does this product had good ZDDP levels?

Anyone have any experience using Royal Purple RP 15w40 in older vehicles needing ZDDP? Also, is there a national auto parts store that sells the Royal Purple Oil Filters?

Can anyone reply regarding whether Castrol Edge Syntec 5w50 is a good for classic cars needing ZDDP?

I thought that most of the ZDDP had been removed from Shell Rotella T 15w40?

What about Mobile 1 15w50, or is this too heavy an oil for a newly rebuilt engine? I do live in Texas with high temperatures.

You are correct, I am sure that a good 10w40 oil would be ok. I was just worried about the ZDDP issue.

I have a question regarding the best type engine oil for my wife's 1974 AMC Javelin that was just recently rebuilt. The engine is a 360 V8 and was rebuilt back to stock, and the car is only going to be use for normal type driving. Since the rebuild, the engine has about 200 miles and I plan to...