V4 owners - 15w50 oil reports with testing - Motul 300v / Redline Power Sports / Motul 7100 - Part 1

SirJAG said:

@NYCV4S @VYRUS
Since Redline may not ship anymore 15w-50 until April....what are yalls thoughts on topping off with 20w-50 instead (adding for losses from samples and dump for inspections, usually 300-400mL worth)? Any issues mixing?

thanks,
JAG

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VYRUS said:

I don’t recall Red Line Power Sport having 20w50. 20w60 is available, and there’s no problem mixing one Power Sport viscosity with another. Red Line does have 20w50 in their automotive lineup. It wouldn’t cause a disaster if you topped off with a small amount, I would stick with the Power Sport if possible. The 10w50 Power Sport is also available and one of the very best oils money can buy. Your ambient temperature is the determining factor for your choice of viscosity. Over 90F, and 20w60 is preferable.

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NYCV4S said:

You’ll be fine. It’s a little thicker on the cold start being a CST 40c of 143 compared to a 15w which is CST 40c of 139. Just be sure to warm her up before operation past 3k rpm .

This is for the redline 20/50 power sports correct?

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VYRUS said:

I don’t recall Red Line Power Sport having 20w50. 20w60 is available, and there’s no problem mixing one Power Sport viscosity with another. Red Line does have 20w50 in their automotive lineup. It wouldn’t cause a disaster if you topped off with a small amount, I would stick with the Power Sport if possible. The 10w50 Power Sport is also available and one of the very best oils money can buy. Your ambient temperature is the determining factor for your choice of viscosity. Over 90F, and 20w60 is preferable.

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SirJAG said:

yes the power sports version...since my 15w-50 wont be available for a couple months...

Click to expand...

VYRUS said:

I don’t recall Red Line Power Sport having 20w50. 20w60 is available, and there’s no problem mixing one Power Sport viscosity with another. Red Line does have 20w50 in their automotive lineup. It wouldn’t cause a disaster if you topped off with a small amount, I would stick with the Power Sport if possible. The 10w50 Power Sport is also available and one of the very best oils money can buy. Your ambient temperature is the determining factor for your choice of viscosity. Over 90F, and 20w60 is preferable.

Click to expand...