Originally Posted by ap72
As I used to use vr1 I know for a fact it is lacking in detergents. vr1 is not meant for the street and as such isn't meant to go 3000 miles between changes. Valvoline conventional or synthetic (regular stuff not vr1) and zddp additive will also work very well though.
As promised, here is a copy of the E-Mail I received from Valvoline.
I use VR-1 10W-30 in my flat tappet 383 SBC stroker. Does this product have a detergent/additive package that allows it to be used, strictly on the street, with an oil change interval of 3000-5000 miles?
Most Recent Update:
Good Morning Larry,
Thank you for contacting Valvoline Product Support regarding Valvoline VR1 Racing Oil.
The Valvoline VR-1 SAE 10W30 Racing Oil does have a detergent package that will provide service for three months or 3000 miles.
If you have any further questions, please feel free to contact us via email or by phone at 800 TEAM VAL for assistance. Thank you once again for contacting Valvoline and have a great day.
Valvoline Product Support"
Still waiting for your proof to the contrary.