Oil squirters for n/a build
#22
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Wouldn't the higher compression give a lot less heat in the compression chamber (and thus the piston) with its more effective burn? They're 10.5 static and whatever it ends up being after headwork etc.
If it matters, I have a 13 row oil cooler and a shimmed VVT BE oil pump. Will discuss with my builder too of course.
If it matters, I have a 13 row oil cooler and a shimmed VVT BE oil pump. Will discuss with my builder too of course.
#23
Wouldn't the higher compression give a lot less heat in the compression chamber (and thus the piston) with its more effective burn? They're 10.5 static and whatever it ends up being after headwork etc.
If it matters, I have a 13 row oil cooler and a shimmed VVT BE oil pump. Will discuss with my builder too of course.
If it matters, I have a 13 row oil cooler and a shimmed VVT BE oil pump. Will discuss with my builder too of course.
#24
On my dodge diesel with a compression ratio of 17:1 I can generate higher egt engine braking downhill with the exhaust brake and no fuel at all than I do cruising down a flat road burning fuel. Purely heat from compression.
#25
Wouldn't the higher compression give a lot less heat in the compression chamber (and thus the piston) with its more effective burn? They're 10.5 static and whatever it ends up being after headwork etc.
If it matters, I have a 13 row oil cooler and a shimmed VVT BE oil pump. Will discuss with my builder too of course.
If it matters, I have a 13 row oil cooler and a shimmed VVT BE oil pump. Will discuss with my builder too of course.
But 10.5 really isn't that high Plus I believe in the Netherlands you get a lot better pump gas than we get here in the states so you can probably optimize your timing a bit more assuming you are not running race gas.
I do not believe what you are building will be bad or problematic.
#26
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Thanks for the replies, keep 'm coming. Will be using ron98 (your 93 I think). The nearest E85 pump is 1+ hours away, so for now that's not an option unfortunately
For poops and giggles I looked around for ceramic coatings and the most decent option was in the uk and would cost €500 at least. That would buy me a fresh set of wisecos....
For poops and giggles I looked around for ceramic coatings and the most decent option was in the uk and would cost €500 at least. That would buy me a fresh set of wisecos....
#27
Thanks for the replies, keep 'm coming. Will be using ron98 (your 93 I think). The nearest E85 pump is 1+ hours away, so for now that's not an option unfortunately
For poops and giggles I looked around for ceramic coatings and the most decent option was in the uk and would cost €500 at least. That would buy me a fresh set of wisecos....
For poops and giggles I looked around for ceramic coatings and the most decent option was in the uk and would cost €500 at least. That would buy me a fresh set of wisecos....
#28
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California gas premium is 91. And I think it is optimistic to call it 91. Some states get 92 or 93. 98 is basically like our race gas that cost ~3X as much as pump gas. I don't even understand why we get different gas quality across the country but it all pretty much sucks compared to most places in the world.
#29
California gas premium is 91. And I think it is optimistic to call it 91. Some states get 92 or 93. 98 is basically like our race gas that cost ~3X as much as pump gas. I don't even understand why we get different gas quality across the country but it all pretty much sucks compared to most places in the world.
#30
I've never been to a state where I cant get 93. Actually come to think of it I know of a few places I can fill up with 110 octane CAM2 (leaded) straight out of the pump that isnt a race track... Just dont let the attendant see you put it straight into a street car, off road only.
#31
I'd remove them and not think twice about it. At the very least, you'll get better oil pressure out of it.
Not entirely related, but the KL i'm building to replace my dun blowed up one has no oil squirters. Mazda themselves removed them later in the engine's life.
And i'm going to spin that ****** to 10krpms or more.
Not entirely related, but the KL i'm building to replace my dun blowed up one has no oil squirters. Mazda themselves removed them later in the engine's life.
And i'm going to spin that ****** to 10krpms or more.
#32
We are lucky enough to get 100 Sunoco at the pump, and genuine 93 on almost any gas station here in north FL.
In no way the gasoline is the same in CA. have seen plenty of nasty cylinder heads on CA jun yards, insane amount of additive is added to the gasoline. Once I came here to FL, most blocks I would strip open had nice clean valves top end.
In no way the gasoline is the same in CA. have seen plenty of nasty cylinder heads on CA jun yards, insane amount of additive is added to the gasoline. Once I came here to FL, most blocks I would strip open had nice clean valves top end.
#33
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Discussed with my builder today and decided to leave the squirters in. Oil pressure shouldn't be an issue with the shimmed VVT pump. He will clearance the piston skirts if necessary. Thanks for the input.
#35
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His experiences mainly. He's building the IL motorsport endurance car's motor too and they too decided to leave them in. Pressure should be more than ok with the BE pump, temperature should be kept in check easily with my 13 row oil cooler and big rad. Running the squirters would also allow to use the tighter end of the piston-to-wall clearance and reduce noise/wear. The spraying on the piston bottom would also help lubricating the small end (wrist pin?) and help cool the piston crown, especially when it's not coated. If I were to coat them, deleting the squirters would probably be ok.
Now we're waiting on rods so machine work can be done and bearings (ACL race) can be ordered.
Now we're waiting on rods so machine work can be done and bearings (ACL race) can be ordered.
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