CSVT#49
Addicted CEG'er
I know the Nobles run oil squirters on the 3L engines. Question is does anyone have pictures of how they are installed? I'm looking at installing them on my engine for my build.
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Oil Squirters on 3L block - Anyone have info?
- Thread starter CSVT#49
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CSVT#49
Addicted CEG'er
Alright well I'll reply to my own post since I was able to get some assistance from some Noble owners. I'm still trying to obtain more information about the jets themselves.
Here are pics.
Close up of the jet.
View down the cylinder
Here are pics.
Close up of the jet.
View down the cylinder
TRicker
Hard-core CEG'er
they are used to cool the crown by spraying the back side of the piston obviously. people say they induce oil burning but i can't see how if they are jetted right and only spray onto the back side of the piston. i like the idea, it may not be necessary but there's nothing wrong with overkill either.
Are you building for turbocharged or otherwise boosted operation? Do these engines have oil squirters in the con rods? (I've never checked.) If they do, and you add additional squirters, you'll want to block the con rod squirters, or get different rods.
Generally, piston oil squirters are only used when an engine is going to see high levels of boost for long periods, road racing or land speed racing on moderate to high levels of boost, and diesels pretty much always have squirters.
That said, there are some good threads about oil squirters on TurboFord.net. Some of this bunch, of which I'm a fanatic participant, run oil squirters on high boost small displacement 4-cylinders. There are some good links to pictures in the threads.
http://www.turboford.net/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=2;t=050239
http://www.turboford.net/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=2;t=045535
Oil squirters do add to the crankcase oil vapor and crank windage load, so that's something to consider, and if not properly sized, can eat up a lot of the oil pump capacity, which might not be a good thing.
Squirters from the Ford Zetec 4-cylinder. These have a built-in pressure valve that closes at low oil pressure so they don't rob the engine of oiling during low load. The valve opens at high oil pressure (assuming high load...) to cool the piston.
Honda oil squirters are also a favorite.
Some also like the BMW oil squirters, tho I can't locate a picture at the moment.
Hope this helps.
Gary M.
Generally, piston oil squirters are only used when an engine is going to see high levels of boost for long periods, road racing or land speed racing on moderate to high levels of boost, and diesels pretty much always have squirters.
That said, there are some good threads about oil squirters on TurboFord.net. Some of this bunch, of which I'm a fanatic participant, run oil squirters on high boost small displacement 4-cylinders. There are some good links to pictures in the threads.
http://www.turboford.net/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=2;t=050239
http://www.turboford.net/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=2;t=045535
Oil squirters do add to the crankcase oil vapor and crank windage load, so that's something to consider, and if not properly sized, can eat up a lot of the oil pump capacity, which might not be a good thing.
Squirters from the Ford Zetec 4-cylinder. These have a built-in pressure valve that closes at low oil pressure so they don't rob the engine of oiling during low load. The valve opens at high oil pressure (assuming high load...) to cool the piston.
Honda oil squirters are also a favorite.
Some also like the BMW oil squirters, tho I can't locate a picture at the moment.
Hope this helps.
Gary M.
CSVT#49
Addicted CEG'er
All of those look swell... but they wouldn't work on the Duratec V6. All of those including the BMW use that long bent nozzle if you will. The only spots available to tap into are areas that face the piston. All of those applications tap into an area facing down towards the oil pan. There is not an area on our blocks to tap that would put those squirters in the same orientation.
Haven't had an up close and personal with the bottom end of a Duratec.
OK, have you considered an oil spray groove in the rods?
This is often done by OEM's in boosted engines. I'm told this is a favorite technique of Porsche racing engine builders, hence the backwards rod cap nuts in the pics I found (Rennlist).
OK, have you considered an oil spray groove in the rods?
This is often done by OEM's in boosted engines. I'm told this is a favorite technique of Porsche racing engine builders, hence the backwards rod cap nuts in the pics I found (Rennlist).
CSVT#49
Addicted CEG'er
Interesting solution. However I'd be worried about robbing oil from the rod bearings, since this is already where most of these engines fail with the oiling issues that have been seen. I'd also be hesitant to start machining my brand new aftermarket rods as well.
I guess the bottom line for me is that the oil squirter method shown above has proven to work well for the Noble applications. I'm thinking more along the lines of if it's not broke don't fix it kind of mind set. I contacted an approved Noble service/installer and he recommended a guy in GA to do the work. I'm still trying to find someone local to do it so I don't have to ship my engine block out, but I guess I have to do what I have to do to get the job done.
ryanblacksvt
I'm the Dork who ran 14.9 on PassTime. :)
I belive Brett has them on his car
CSVT#49
Addicted CEG'er
Your right. I've already been in touch with Brett. Trying to figure out if I can have the same shop that did his block do mine as well.
ryanblacksvt
I'm the Dork who ran 14.9 on PassTime. :)
As I remember it was a shop in Tennesee I think.