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robkammer |
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#1
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Member ![]() ![]() Group: Members Posts: 179 Joined: 7-January 21 From: Vermilion Ohio Member No.: 25,049 Region Association: North East States ![]() |
Hey everyone: The BB is getting it's first oil change since it arrived. I'm thinking a good organic oil would be appropriate for this vintage motor with 121K on the clock.
The service records I have are not specific about what has been put in before. I use Syn in every other car but I think it might be overkill and make it leak even more. This should be fun! |
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bbrock |
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#2
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914 Guru ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains ![]() ![]() |
I've been thinking about this a lot as I'm about ready for the first oil change on my rebuilt engine (actually 3rd if you count the change following cam break-in and another after running 500 miles on break-in oil). I'm running VR1 now but interested in moving to synthetic. There are quite a few high zinc oils (both synthetic and conventional) out there now formulated for classic cars. VR1 is even available in synthetic form. There are only 2 I can get locally - conventional VR1 and Mobil 1 15W-50 (which is 1200 ppm phosphorous and 1300 ppm zinc). I'm not really a Mobil 1 fan but local availability is appealing.
But there are many other options mail order so my question is, what is the lightest oil you'd feel safe running in a Type 4 engine? I have read that tighter machining tolerances on engines have allow use of lighter oils. No idea if that is true, but Mobil 1 has high zinc formulations in 0W-40, 5W-40, and 15W-50. Synthetic VR1 is 20W-50. It's nice to have choices again. Here's a link to Mobil 1 oils with zinc and phosphorous specs: https://www.mobil.com/lubricants/-/media/pr...uide-rev-31.pdf |
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