1999 Oldsmobile Cutlass Valve Cover [[Pictures]]

[tig1]

Heavy varnish means the oil has oxidized which can lead to ring coking.

 

[ottotheclown]

Nice to see whatever is cheapest dino doing the job at 100k. See like a few weeks ago with that guy who said he used PP and Mobil and had varnish even worse it is the engine and oci that makes for nice pictures. The oil helps but you really cannot say the most expensive will do any better. Of course we have the sleep better crowd too.

 

[mr_diy]

Originally Posted By: cchase

This is mine at ~100k on "whatever's cheapest" conventional oil.


Is that normal for oil to pool in the heads? Where are the drain back passages?

 

[benjy]

stripped down my 72 nova 307 cu in at only 75,000 miles used oil when new used lots of oil at 75,000 a lo tech poorly machined engine. used plain valvoline of that era engine was SPOTLESS!! tore down another chevy engine at my friends business for a rebuild got a 16 oz coffee can of SLUDGE, customer came in, i did not know him i said "you run pennzoil in this engine" he said YES!! how did you know