Technical Tips > Pre 84
stupid questions time
Camo:
I use a Penrite oil which has the zinc additive http://www.penriteoil.com.au/index.php
I believe their HPR 30 is the highest content in ZDDP in Australia. I have heard that people have found this is the most suitable for older generation big bore V8's with flat tappet cams. Obviously if you have a roller cam then you may need to look at a different grade/type of oil but I personally would stick with one of the Penrite products whatever you use.
I would can open your old oil filter, unroll the paper like membrane and have a look for any foreign material. Always a good indication on whats going on inside the motor. I personally do this at every oil change. Foul plug could be a sign of either worn oil rings or valve guides or valve guide seals.
bfit:
Zinc DialkylDithioPhosphate is an additive that is in most engine oils
To reduce wear thought out the engine .
Done get to carried away with what's in your engine oil
it comes from the manufacture ready to use
just get the correct viscosity, and type For your usage.
Remember That the oil has three functions in the engine .
Lubrication.
Cooling .
Cleaning.
Bfit
This link may help
http://www.caltex.com.au/PRODUCTSANDSERVICES/LUBRICANTS/Pages/OilFinder.aspx
Mattrix:
Just found a bit of info in another forum on the oil situation.
http://www.hotrodders.com/forum/1978-corvette-l82-oil-question-135110.html
And yeah, I was looking at a Penrite today, I reckon that's the one I'll probably end up getting.
Mattrix:
And re: the windscreen, may just have to not fix it if it's going to blow out the costs. It's not a problem (ie. still passes pinky) but it's just an annoyance and a bit ugly if you get right up close. Though that said, most people don't see it till I point it out to them.
72vet:
--- Quote from: Admin link=topic=9209.msg1045942747#msg1045942747 ---
Foul plug could be a sign of either worn oil rings or valve guides or valve guide seals.
--- End quote ---
:agree: with Cam.
I had a Mini with the same symptoms, ended up using a hotter plug in the cylinder that was crook. Only a band-aid solution.
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