All you hydraulic and solid flat tappet guys should be using an oil with a high ZDDP content, or oil plus a ZDDP additive. You run the risk of losing a cam lobe(s), I did and it trashed my old engine! Diesel oil used to have an appropriate amount of ZDDP in it, but I think even that might have changed.
I am now running a roller cam, so I am not too worried about it anymore. I am thinking about switching to full synthetic 5w50.
They put fresh Mobil 1 in the day I bought it in late September,but may switch over to Pennzoil Platinum this spring.Any filter preferences?
My oops! Altho I have a C6, I mistakenly answered a C3 post.
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08 C6 Coupe, 6 spd, 436 hp, All options, Grins-Priceless!
Last edited by Airwilf; 12-21-2008 at 06:57 PM.
Reason: info wrong
have been running 5w50 synth for a few years although did not get the vette out even once this past year. When I get around to freshening up with a cam change will go back to dino oil for the break in then likely back to 5w40 or 50 synth.
They put fresh Mobil 1 in the day I bought it in late September,but may switch over to Pennzoil Platinum this spring.Any filter preferences?
I use the NAPA Nascar Select oil filters on my cars, they are very reasonably priced ($5 for my wife's Civic, and around $7 for my C5) and well built filters.
I use the NAPA Nascar Select oil filters on my cars, they are very reasonably priced ($5 for my wife's Civic, and around $7 for my C5) and well built filters.
Hey Pat, what's a good quality 5w50 synthetic oil?
I use the NAPA Nascar Select oil filters on my cars, they are very reasonably priced ($5 for my wife's Civic, and around $7 for my C5) and well built filters.
If I'm not mistaken, these filters are made by Wix and you can't get much better than that.
I use 10-30 synthetic in my C-3 but it's a roller.
I use Pennzoil 20W/50 racing oil, second highest rated in ZDDP. I believe Quaker State Q racing is the highest with Rotella T at 3rd highest. Most diesel oil's are rated high in ZDDP also.
I tear down my engine every winter and no signs of camshaft / lifter wear with the Pennzoil racing oil yet and I'm sure there are others who have good results with other oil brands
I use Pennzoil 20W/50 racing oil, second highest rated in ZDDP. I believe Quaker State Q racing is the highest with Rotella T at 3rd highest. Most diesel oil's are rated high in ZDDP also.
does Canadian Tire carry the Pennzoil racing oil? or where do you get it?
Hey Pat, what's a good quality 5w50 synthetic oil?
There really isn't a lot of selection when it comes to that viscosity, as not everyone makes it anymore. Mobil 1 and Castrol both have a 5w50, and I know Quaker State used to sell one also but I haven't seen that in a while. Pennzoil also used to make a 5w50 synthetic, but I believe they stopped that also.
If it were me I'd go with the Castrol 5w50, but that's because I'm really not a big fan of Mobil 1 products. I haven't seen that many oil analysis reports with 5w50 oils since it's not a viscosity recommended by any new car makers, but I have seen a couple of reports with Castrol 5w50 over the years and it's shown to be a good oil. It does thin out to a 5w40 but then again most 5w50s will, as that's quite a large viscosity spread and it uses a much larger amount of viscosity index improvers to acheive it.
There really isn't a lot of selection when it comes to that viscosity, as not everyone makes it anymore. Mobil 1 and Castrol both have a 5w50, and I know Quaker State used to sell one also but I haven't seen that in a while. Pennzoil also used to make a 5w50 synthetic, but I believe they stopped that also.
If it were me I'd go with the Castrol 5w50, but that's because I'm really not a big fan of Mobil 1 products. I haven't seen that many oil analysis reports with 5w50 oils since it's not a viscosity recommended by any new car makers, but I have seen a couple of reports with Castrol 5w50 over the years and it's shown to be a good oil. It does thin out to a 5w40 but then again most 5w50s will, as that's quite a large viscosity spread and it uses a much larger amount of viscosity index improvers to acheive it.
I'll give the Castrol synthetic 5w50 a try; thanks.
does Canadian Tire carry the Pennzoil racing oil? or where do you get it?
I get mine at NAPA, I've also seen it at our local Parts Source store, which is a spinoff of CTC. From NAPA a pay $34.00 + tax for a case of 12 for the Pennzoil Racing. Hope this helps.
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Corvette Store
C3 guys....what oil do you use?
Did you finish cleaning the driveway?
