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08-25-2009, 12:43 PM
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#1
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Piston Cooling
Anyone have any articles/experience in drilling auxiliary oiling holes in the upper part of the main bearing housings for the purpose of spraying the underside of the piston and cooling it?
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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08-25-2009, 01:19 PM
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#2
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LSwhatever
Join Date: Nov 2007
Location: Belcamp, MD
Posts: 278
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You mean like what the LS9 does with it's oil squirters LT1 boy.
Well I found this on a quick search. But it's only for Gen IVs
http://www.ls1tech.com/forums/forced...squirters.html
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-Felipe
2001 WS6: SDPC LS7 Shortblock, L92 heads upgraded for .600 lift,
L76 intake, Nick Williams TB, Comp Cams 224/228 .581/.588 114+2LSA,
1 7/8 LT's, GMMG
waiting for some boost
2003 Silverado 1500HD
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08-25-2009, 01:23 PM
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#3
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Figures... more reasoning to hate them...
Ah well, I figured it was a machinist/engine builder thing anyway.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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08-25-2009, 02:32 PM
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#4
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Join Date: Jul 2009
Location: Bridgeport NJ
Posts: 165
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Quote:
Originally Posted by ShowSomePromise
Anyone have any articles/experience in drilling auxiliary oiling holes in the upper part of the main bearing housings for the purpose of spraying the underside of the piston and cooling it?
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With the enhanced reverse flow cooling that the LT1 provides, there really is no need to dive into that kind of territory. A properly set-up cooling system will be plenty for an LT1.
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08-25-2009, 02:34 PM
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#5
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Yea but reverse cooling is great for the heads, but this focuses on the pistons.
Just curious.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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08-25-2009, 03:01 PM
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#6
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Sliderule / Moderator
Join Date: Oct 2004
Location: Catawissa PA
Posts: 2,294
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I don't have the details, but maybe Unstable Bob will chime in , I believe his LT1 is set up for it?
Just an FYI, Oil cooling for the piston is really done for endurance racing where the engine is held in high RPMs for extended periods. Short burst on off the throttle you really don't need it.
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93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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08-25-2009, 04:22 PM
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#7
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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I was thinking more along the lines of a heavy shot of nitrous, and again, just reading and was curious what real world applications there was.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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08-25-2009, 04:56 PM
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#8
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Power Member
Join Date: Oct 2007
Location: Milford NJ
Posts: 1,526
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ive heard of it, i have a chevy sbc book by david vizard that mentions this with some pics, but it doesnt really do that much into detail. Pretty much you drill the hole through the main, pointing towards the centerline of the piston, just in front of the connecting rod small end when the piston is halfway down its stroke. A metering jet of some kind is pressed into the hole, and a small connecting slot is machined into the main saddle to connect the new hole to the mains oil feed hole.
As far as procedures, angles, metering jets, machining afterwords ect. I have no idea,
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08-25-2009, 04:59 PM
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#9
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Got the idea from that same book
It looks like a good idea in theory, but again, I would need to talk to a machinist to see if A) they even would attempt it B) If so, what it would cost.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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08-25-2009, 08:50 PM
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#10
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Power Member
Join Date: Oct 2007
Location: Milford NJ
Posts: 1,526
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another option, which is much more expensive im sure, is to convert to dry sump and use a system with built in piston cooling. I have seen some on ebay for gen1's, not sure if they make them for the lt1.
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08-25-2009, 08:51 PM
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#11
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Yea, the ones for the LSX styled dr sump are like 60 bucks a pop.... quite expensive.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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08-25-2009, 09:29 PM
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#12
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Power Member
Join Date: Oct 2007
Location: Milford NJ
Posts: 1,526
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Quote:
Originally Posted by ShowSomePromise
Yea, the ones for the LSX styled dr sump are like 60 bucks a pop.... quite expensive.
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i was talking about a few thousand dollars for the basic setup
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08-25-2009, 09:32 PM
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#13
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Quote:
Originally Posted by //<86TA>\\
i was talking about a few thousand dollars for the basic setup
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Oh yea, for the whole setup, I was referring to the jets you can buy to add in oil cooling.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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08-25-2009, 09:34 PM
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#14
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Power Member
Join Date: Oct 2007
Location: Milford NJ
Posts: 1,526
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ahh
im still kicking myself for passing up a new ls9 block that was on ebay a few months back for 1500 bux... complete with the piston cooling jets and everything
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08-25-2009, 09:36 PM
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#15
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Hmnn that would be cool.
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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08-26-2009, 05:53 AM
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#16
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American Road Warrior
Join Date: Jul 2005
Location: Wastelands of NJ
Posts: 6,116
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unstable bob gable: LEGENDARY LEGEND,
ICONIC ICON, AND AMERICAN BAD AZZ!!!
1991 Dodge Spirit R/T: Gran'pa lookin' 150+ mph turbo rocket.
2013 Dodge Avenger RT: Wastelands cruiser.
2008 Crown Vic Police Interceptor: 'Nuff said!
THE ONLY THING THAT SUCKS WORSE THEN IMPORTS ARE RICED OUT IMPORTS!!!
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08-27-2009, 10:01 AM
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#17
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Woah, cool, thanks Bob!
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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08-27-2009, 10:29 AM
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#18
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,339
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damn, thats pimp
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08-27-2009, 10:30 AM
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#19
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Tis on the list for my build, whenever that happens... LOL
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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08-27-2009, 02:20 PM
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#20
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Join Date: Apr 2008
Location: Delran
Posts: 6,785
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this thread should be stickied for those pdf's that bob posted up
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08-27-2009, 10:52 PM
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#21
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American Road Warrior
Join Date: Jul 2005
Location: Wastelands of NJ
Posts: 6,116
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It is a very cool set up, and not hard to do. My engine builder is looking to run some pretty high RPMs with my engine [he's a n/a NASCAR type build up fan], so I figured I better throw every thing possible in there to help. I'm probably also going to do a valve spring oil cooling spray set up, too.
__________________
unstable bob gable: LEGENDARY LEGEND,
ICONIC ICON, AND AMERICAN BAD AZZ!!!
1991 Dodge Spirit R/T: Gran'pa lookin' 150+ mph turbo rocket.
2013 Dodge Avenger RT: Wastelands cruiser.
2008 Crown Vic Police Interceptor: 'Nuff said!
THE ONLY THING THAT SUCKS WORSE THEN IMPORTS ARE RICED OUT IMPORTS!!!
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08-28-2009, 02:50 PM
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#22
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Join Date: Dec 2004
Location: Galloway, NJ
Posts: 3,964
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how much did it cost for the oil cooling setup on your block UBG?
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1996 Camaro C/S - 2/3 Corvette Engine
Quote:
Originally Posted by BigAls87Z28
Uh yeah, after they surprized buttsecks us at Pearl Harbor?
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08-28-2009, 10:52 PM
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#23
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American Road Warrior
Join Date: Jul 2005
Location: Wastelands of NJ
Posts: 6,116
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Quote:
Originally Posted by Blacdout96
how much did it cost for the oil cooling setup on your block UBG?
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It's been a while, but ubg thinks it was a couple of hun for the parts, and ubg doesn't remember what the machine shop charged to set it up. It could be done at home with a drill and some careful planning, but ubg already had the block in the shop for some work, so he just had them do it.
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unstable bob gable: LEGENDARY LEGEND,
ICONIC ICON, AND AMERICAN BAD AZZ!!!
1991 Dodge Spirit R/T: Gran'pa lookin' 150+ mph turbo rocket.
2013 Dodge Avenger RT: Wastelands cruiser.
2008 Crown Vic Police Interceptor: 'Nuff said!
THE ONLY THING THAT SUCKS WORSE THEN IMPORTS ARE RICED OUT IMPORTS!!!
Last edited by unstable bob gable; 08-28-2009 at 10:52 PM.
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08-29-2009, 11:01 AM
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#24
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Join Date: Dec 2004
Location: Galloway, NJ
Posts: 3,964
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well thats the thing, my crank is only set in right now, so im not too deep into the build, question is, would it be worth it to get installed. I want to run road races, and I know I'll be seeing high rpms, and I wouldn't even think of installing these myself.
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1996 Camaro C/S - 2/3 Corvette Engine
Quote:
Originally Posted by BigAls87Z28
Uh yeah, after they surprized buttsecks us at Pearl Harbor?
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08-29-2009, 02:42 PM
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#25
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American Road Warrior
Join Date: Jul 2005
Location: Wastelands of NJ
Posts: 6,116
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Quote:
Originally Posted by Blacdout96
well thats the thing, my crank is only set in right now, so im not too deep into the build, question is, would it be worth it to get installed. I want to run road races, and I know I'll be seeing high rpms, and I wouldn't even think of installing these myself.
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Aren't you building a V6? If so, I don't know if Bo Laws' has a set up for you.
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unstable bob gable: LEGENDARY LEGEND,
ICONIC ICON, AND AMERICAN BAD AZZ!!!
1991 Dodge Spirit R/T: Gran'pa lookin' 150+ mph turbo rocket.
2013 Dodge Avenger RT: Wastelands cruiser.
2008 Crown Vic Police Interceptor: 'Nuff said!
THE ONLY THING THAT SUCKS WORSE THEN IMPORTS ARE RICED OUT IMPORTS!!!
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