What oil to use, and what viscosity?
Joined: Jul 2002
Posts: 1,466
Likes: 1
From: Newcastle, WA
I also run Amsoil 10W40 (with my 6 psi SOS oil-fed kit). Below are the comments from my Blackstone oil analysis, which had 2,681 miles on it over the course of 10 months:
JOHNNY: Thanks for the detailed note. This engine looks terrific, and we see no reason not to run the oil
longer (even factoring in the supercharger being oil-fed). You might not be able to go as long as average
(universal averages show typical wear for this type engine after 5,200 miles on the oil), but you should be
able to go at least 3,500 miles. Iron will increase, but the other metals should stay low. No indication of the
gasket work in this sample. Fuel is okay at 1.0%; it might disappear entirely next time. No coolant/water
found. Looking good. The TBN read strong at 9.0.
http://dl.dropbox.com/u/7036956/s2koa.pdf
JOHNNY: Thanks for the detailed note. This engine looks terrific, and we see no reason not to run the oil
longer (even factoring in the supercharger being oil-fed). You might not be able to go as long as average
(universal averages show typical wear for this type engine after 5,200 miles on the oil), but you should be
able to go at least 3,500 miles. Iron will increase, but the other metals should stay low. No indication of the
gasket work in this sample. Fuel is okay at 1.0%; it might disappear entirely next time. No coolant/water
found. Looking good. The TBN read strong at 9.0.
http://dl.dropbox.com/u/7036956/s2koa.pdf
Registered User
Joined: Feb 2011
Posts: 77
Likes: 0
was running mob 1 10-30 syn for a while - smoked once in a while. switch to Pennzoil 10-30 syn - nearly no smoke at all.
however, i am running a 6265 ball bearing under a IP log with the stock restrictor. thinking about getting a tighter restrictor...
however, i am running a 6265 ball bearing under a IP log with the stock restrictor. thinking about getting a tighter restrictor...
Registered User
Joined: Dec 2009
Posts: 2,396
Likes: 0
From: Auburn Hills, Michigan
I also run Amsoil 10W40 (with my 6 psi SOS oil-fed kit). Below are the comments from my Blackstone oil analysis, which had 2,681 miles on it over the course of 10 months:
JOHNNY: Thanks for the detailed note. This engine looks terrific, and we see no reason not to run the oil
longer (even factoring in the supercharger being oil-fed). You might not be able to go as long as average
(universal averages show typical wear for this type engine after 5,200 miles on the oil), but you should be
able to go at least 3,500 miles. Iron will increase, but the other metals should stay low. No indication of the
gasket work in this sample. Fuel is okay at 1.0%; it might disappear entirely next time. No coolant/water
found. Looking good. The TBN read strong at 9.0.
http://dl.dropbox.com/u/7036956/s2koa.pdf
JOHNNY: Thanks for the detailed note. This engine looks terrific, and we see no reason not to run the oil
longer (even factoring in the supercharger being oil-fed). You might not be able to go as long as average
(universal averages show typical wear for this type engine after 5,200 miles on the oil), but you should be
able to go at least 3,500 miles. Iron will increase, but the other metals should stay low. No indication of the
gasket work in this sample. Fuel is okay at 1.0%; it might disappear entirely next time. No coolant/water
found. Looking good. The TBN read strong at 9.0.
http://dl.dropbox.com/u/7036956/s2koa.pdf
