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- Dec 30, 2006
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- 29,558
Sweet ride Ali!!Just to show what we are talking about:
Sweet ride Ali!!Just to show what we are talking about:
I doubt their owners care.Wonder how long the catalytic converters are going to last?
these kind of cars tend to have huge oil pans and ice cold oil temps. some owners do infact track them, especially once they depreciate.14 QUARTS? Seriously it seems they intended it to drink oil like gas.
I'm no expert but the almost total lack of piston skirt literally screams to me of massive levels of hot blow-by getting through the ring pack. No doubt they have hacked away at the skirt to reduce piston/bore sliding friction. I'd bet a penny to a pinch of salt that the top ring is both thin & low tension for the same reason. This too will I suspect exacerbate blow-by.I love the shape of the pistons. Almost no skirt at all and the top is totally shaped as the valves:
I'm surprised the Supertech crowd hasn't recommended Supertech 5W40 yet
HKS will make any grade one's heart desires.You may laugh but what you need is a tight 20W50. A tight 20W40, which I once could have thrown together in the lab, would be better but sadly you can't buy these commercially. Ideally, what you really need is a PAO/Ester based 20W50 (or 20W40) but no one has had the good sense to make one available, even to rich folks that can afford a Ferrari. Your supercar won't generate as much power or go as fast but it might just stop you buggering up your engine.
Sweet ride m8.These cars have been out for 3 years and it seems many are reporting up to 3 quarts of oil usage per 1,000 miles. This is “normal” according to the owners manual. The engine is an 800 HP V12 running up to 9,000 RPM. No turbo, naturally aspirated. It uses a 5W-40 and the manual states that one should not run high RPM until the engine oil gets above 160F.
I had one of the original Ford Expedition SUVs from new to 45,000 miles until I traded it in. It was the only vehicle I ever owned that consumed oil. From day one until the day I parted with that truck it used the same amount of oil. It was around a quart per 1,000 miles. I thought at first the consumption would go down after the engine was fully broken in but it never changed.
I have used grades of 20 to 60 in single engines that never consumed any oil. So I do not think it is an issue of grades.
The current 812SF has 1,300 miles and used 2 quarts in the last 500 miles. The oil in the oil tank (dry sump) is clean, odorless, and there is no smell of the exhaust and no smoke. No leaks underneath. The oil capacity is 14qts. Where is the oil going?? Thoughts??
AEHaas
Supertech the world !I'm surprised the Supertech crowd hasn't recommended Supertech 5W40 yet
Go watch Ford vs ferrari. You can't drive a ferrari like a Toyota.If I had a nickel for every time somebody said to me "Ali, for Gods sake at least go the speed limit"
F1 engines are designed to burn oil which gives them a performance advantage. Because of this, the engines are overfilled at the start so they do not run low by the end of the race. See this link.Sweet ride m8.
These high rpm high performance engines have f1 style short skirt pistons with very thin rings and very low ring tension to reduce drag/free up power.
This however results in oil consumption.
My bmw n52 also does this.
V8 v10 20k rpm f1 engines consumed multiple litres throughout a couple 100km race.
I would just worry about that kind of oil consumption killing the Uber-expensive catalytic converters…These cars have been out for 3 years and it seems many are reporting up to 3 quarts of oil usage per 1,000 miles. This is “normal” according to the owners manual. The engine is an 800 HP V12 running up to 9,000 RPM. No turbo, naturally aspirated. It uses a 5W-40 and the manual states that one should not run high RPM until the engine oil gets above 160F.
I had one of the original Ford Expedition SUVs from new to 45,000 miles until I traded it in. It was the only vehicle I ever owned that consumed oil. From day one until the day I parted with that truck it used the same amount of oil. It was around a quart per 1,000 miles. I thought at first the consumption would go down after the engine was fully broken in but it never changed.
I have used grades of 20 to 60 in single engines that never consumed any oil. So I do not think it is an issue of grades.
The current 812SF has 1,300 miles and used 2 quarts in the last 500 miles. The oil in the oil tank (dry sump) is clean, odorless, and there is no smell of the exhaust and no smoke. No leaks underneath. The oil capacity is 14qts. Where is the oil going?? Thoughts??
AEHaas