Recent content by Darren_L

Valvoline FS High Mileage 5w30 has a HTHS of 3.2. The same oil in 10w30 has a HTHS of 3.3. Mobil 1 High Milage in 10w30 is 3.5. All these oils would work well in your application.

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2021 Simplicity Courier 42 inch Zero Turn, 23hp Briggs & Stratton Out: Amsoil Small Engine 10w30, Wix filter 57035 (85 hrs) In: Amsoil Small Engine 10w40, Wix filter 57035 (128 hrs)

Its a 71 and thank you for the kind words. (y)

1996 Impala SS, 5.7L LT1, 145721 miles Valvoline Full Synthetic HM w/Maxlife, 10w30, Wix 51036

20223 Toyota Tacoma TRD Sport 3.5 V6 1000 miles Out: Factory Fill In: Valvoline EP Full Synthetic 0w20, Wix 57047

I'm using Penn Grade 1, 15w40 in my 700hp 496bbc.

2021 Simplicity Courier 42 inch Zero Turn, 23hp Briggs & Stratton Out: Amsoil Small Engine 10w30, B&S filter# 696854 In: Amsoil Small Engine 10w30, Wix filter# 57035 (63hrs)

2021 Simplicity Courier 42 inch Zero Turn, 23hp Briggs & Stratton Out: Amsoil Small Engine 10w30, B&S filter# 696854 (6.1 hrs) In: Amsoil Small Engine 10w30, B&S filter# 696854 (38.5 hrs)

Bigduke, I'm also running a BBC 496 in my 71 Chevelle. Engine has been together about 10 years with a solid roller setup. My combo is 10.5:1cr on pump gas, ported Brodix heads 310cc, Ultradyne solid roller (256°/264° @.050, .660"/.660", 108lsa), Isky Red Zone EZ-Roll bushing lifters with Isky...

2021 Simplicity Courier 42 inch Zero Turn Out: Factory fill In: Amsoil Small Engine 10w30, Briggs & Stratton filter# 696854

My new Simplicity Courier 42 zero turn with a 23hp Briggs V-Twin. :cool:

Originally Posted by JeffKeryk Originally Posted by Darren_L 1971 Chevrolet Chevelle 496ci BBC Out: Penngrade 1 15w40, Wix 51061 In: Penngrade 1 (7qts) 15w40, Wix 51061 Looks like a good option for my 2 '60s cars. Do you know the Zinc PPM? Is it over 1,000 PPM? Thanks. I've never had a VOA...