Re: Engine

Posted by Stephen Houseknecht On 2010/11/6 21:21:26

I have always been partial to Kendal Super D3 15-40. Ran it for 366,000 miles with the 2.8 V6 in my 93 S10. Pulled the intake manifold at 300,000 to replace the rear RTV seal and the top end was clean as a whistle. Didn't even get a pinky finger nail amount of sludge from the rear of the gallery.

I had gotten a used K5 prior to the S10 with 350 four bolt that was so full of sludge in the rockers it made me want to vomit when I adjusted the valves and replaced the cover gaskets. Two consecutive 1000 mile oil changes with the Super D3 and the crud was all gone. Amazing product. Also ran the K5 for another 100,000.

Plan on using this in the Derham also. Any thoughts otherwise, the manual calls for straight 20W.