what oil viscosity should I run?
right now I have 10w 30 in for break in

 

The thicker the better. I run 20W50.

 

Yup, use thick stuff. I run Bran Penn 20w50 in my car.

 

I've been running Eneos 0w50.

 

anybody have any thoughts/opinions on schaffers oil? sorry to go a little off topic

 

we run Valvoline VR1 Racing 20w50

 

Duck Sauce

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TheWickedOne &raquo;</TD></TR><TR><TD CLASS="quote">Duck Sauce</TD></TR></TABLE>

 

There's an old post that I've been searching for on here for the longest about different oil manufacturers. Someone on H-T posted results from a test that he or the company he worked for at the time did on different brands of oil. They pressure tested how well the oil held up against dispersion under load and pressure. It was good reading but I wished I had saved it to use for future reference.

 

castrol gtx 20w 50

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Innes &raquo;</TD></TR><TR><TD CLASS="quote">we run Valvoline VR1 Racing 20w50

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Plus it's cheap!

 

Shell Helix ultra 5w40 synthetic.

 

10w30 mobil 1. easy and convenient to get.

2 years on the same motor, no problems....and the bearings looked good enough to reuse after all that time. hundreds of pass's and over 200 dyno pulls.

ive debated going to thicker oil, but what ive been doing has been working so well i didnt want to change anything lol

 

I think the oil selection is slightly less critical on cars with roller rockers. Cam/rocker wear is a huge problem that oil brand and weight can have a huge effect on.

 

You know one oil I never seen run in many turbo apps is the 0W or 5W Royal purple. I see it alot in small displacment V8 n/a apps. Whats your thought Tony?

 

good point tony, didnt think of that

 

I feel like thicker oil gives us more protection. Obviously at the cost of a little power, but that's a sacrifice 99% of us would give in the turbo world. There's much easier (safer?) ways to find 10hp on a turbo car.

 

a lot of OE(honda included) are going to roller rockers now because of cam wear on swipe pads with newer (less additive package) oils

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by tony1 &raquo;</TD></TR><TR><TD CLASS="quote">Yup, use thick stuff. I run Bran Penn 20w50 in my car.</TD></TR></TABLE>
I saw all those cases you had back at the shop!

 

Shell Helix ultra 5w40 synthetic is what we are running now,,,we used to use 20 50 but the bearings used to get pitted in the middle,not sure if it was oil related,but when we switched it stopped.

 

john deere 15w40 torq/guard(i get it for free i work there)we use it all the heavy equipment and tractors with no problems.

 

Coastal 10W40 at the 99cents store. J/K

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Innes &raquo;</TD></TR><TR><TD CLASS="quote">we run Valvoline VR1 Racing 20w50
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Same here.

 

Oil weight also depends on the engine tolerance's. The more bearing clearance, the thicker the oil should be run. I have seen where guys have switched from 20-50 back down to a 10w30 and bearings have come out of the engine looking better. I like the Torco 5w40 SR-5 oil.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ninesecrx &raquo;</TD></TR><TR><TD CLASS="quote">Oil weight also depends on the engine tolerance's. </TD></TR></TABLE>

Ya can't forget about that. Whats good for someone isnt necessarily right for another.