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BenZ28
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Post subject: Oil pressure under hard cornering Posted: Tue Aug 10, 2004 12:18 pm |
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Joined: Mon Sep 10, 2001 3:53 pm Posts: 2485 Location: Mainz, Germany
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This question goes to everyone but especially to Roy:
Did anyone of you have any issues with oil pressure under hard cornering (high G forces)? (And Roy: you still have the original oil pump?).
Ben
_________________ 1999 Camaro Z28, black, T-Tops, M6
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SRZ
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Post subject: Posted: Tue Aug 10, 2004 12:22 pm |
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Joined: Sun May 27, 2001 3:42 pm Posts: 3430 Location: FL
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The old oil sloshin in the oil pan syndrome hu? Scary ain't it? Need a good pump and a better pan w/ trap doors, baffles, windage tray esp.
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Roy
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Post subject: Posted: Tue Aug 10, 2004 12:39 pm |
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Joined: Sun May 27, 2001 2:52 pm Posts: 5556 Location: Mehlingen,Rhineland Pfalz, Deutschland
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Put an extra qt of oil in the pan . this will cure the problem, Although it doesn't say this in the fbod manual. It does say this in the vette manual for spirited performance driving. And yes I still havemy original pump still on the car.
_________________ Roy My vids on Youtube My vids on Streetfire
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BenZ28
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Post subject: Posted: Tue Aug 10, 2004 1:25 pm |
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Joined: Mon Sep 10, 2001 3:53 pm Posts: 2485 Location: Mainz, Germany
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Thanks for reply.
But I didn't say that I have this problem, I was just curious...
Ben
_________________ 1999 Camaro Z28, black, T-Tops, M6
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Roy
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Post subject: Posted: Tue Aug 10, 2004 2:01 pm |
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Joined: Sun May 27, 2001 2:52 pm Posts: 5556 Location: Mehlingen,Rhineland Pfalz, Deutschland
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JackZ28
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Post subject: Posted: Tue Aug 10, 2004 2:10 pm |
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Joined: Mon May 28, 2001 6:03 pm Posts: 8686 Location: Houston, TX
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I know this is gonna sound kind of stupid, but how do I make sure my oil pressure gauge is correct? It's never been accurate since I changed the gauge face. ![Embarassed :oops:](./images/smilies/icon_redface.gif)
_________________
![Image](http://i81.photobucket.com/albums/j212/hooddub/jackz28sig.jpg) http://www.myspace.com/jackster31b
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Roy
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Post subject: Posted: Tue Aug 10, 2004 3:45 pm |
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Joined: Sun May 27, 2001 2:52 pm Posts: 5556 Location: Mehlingen,Rhineland Pfalz, Deutschland
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Jack I would install a second guage to check your fasctory guage.
Does factory guage zero when the ign is on but engine off. That would be the most important step. After that just refeerence the second guage at different rpms and try to compare with the factory .
_________________ Roy My vids on Youtube My vids on Streetfire
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2slow
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Post subject: Posted: Tue Aug 10, 2004 5:08 pm |
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Joined: Sun Jul 04, 2004 11:34 pm Posts: 653 Location: Wolfsburg, Germany
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Putting an extra quart of oil in the pan might be OK-ish, but beware that you do not overfill the engine too much. If the bottom of the crank have to whip thru the oil then you will get a noticable power loss. But the worst is that the oil gets whipped into a foam, the aerated oil does not pump very well and therefore does not do a very good job of oiling your bearings.
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JackZ28
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Post subject: Posted: Tue Aug 10, 2004 5:36 pm |
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Joined: Mon May 28, 2001 6:03 pm Posts: 8686 Location: Houston, TX
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Roy
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Post subject: Posted: Tue Aug 10, 2004 7:04 pm |
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Joined: Sun May 27, 2001 2:52 pm Posts: 5556 Location: Mehlingen,Rhineland Pfalz, Deutschland
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2slow wrote: Putting an extra quart of oil in the pan might be OK-ish, but beware that you do not overfill the engine too much. If the bottom of the crank have to whip thru the oil then you will get a noticable power loss. But the worst is that the oil gets whipped into a foam, the aerated oil does not pump very well and therefore does not do a very good job of oiling your bearings.
Yes that can be aproblem on some vehicles ,the crank windage can be a serious problem. I wouldn't do that to GT3 since they have a superb oiling system for track racing) but for the ever humble LS1 fbody we do get a little leeway.
_________________ Roy My vids on Youtube My vids on Streetfire
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JackZ28
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Post subject: Posted: Tue Aug 10, 2004 7:19 pm |
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Joined: Mon May 28, 2001 6:03 pm Posts: 8686 Location: Houston, TX
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inspector12
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Post subject: Posted: Fri Aug 20, 2004 6:53 am |
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Joined: Fri Aug 20, 2004 4:04 am Posts: 4 Location: Texas/USA
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Well I wouldn't recomend adding another quart to the oil just for going road racing etc... The GM book calls for 5.5 quarts. At time of oil changes I just pour in 6 and have never had and issue of ocurse I am no where near stock and I don't do a lot of road racing well not on a road course anyway, but with that said the stock LS1's have windage trays and bafles in the oil pan just for further reference. The added quart could reduce the amount of air space needed for crank case during high RPM's. Not going to say that it would happen for sure but it is a possiblity. And Roy just go back and take the gauge cluster apart again and make sure that the needle moves freely and does not touch the new face at all if it does open it up a little and then stick it back in the car start it up and if you remember where it used to sit at idle then just pull it up and make an adjustment etc... until it reads close to where it did before you did anything etc... Iv'e had to do it a lot on these vehicles and remember the gauge is not that important just that you have oil presure. Good luck!
_________________ SHIFT!!!!!
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Roy
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Post subject: Posted: Fri Aug 20, 2004 7:00 am |
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Joined: Sun May 27, 2001 2:52 pm Posts: 5556 Location: Mehlingen,Rhineland Pfalz, Deutschland
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Insp12 , the oil guage problem is Jacks.
But as for the extra qt of oil, it is a tried and proven method for road racers and autoxers to prevent pump cavitation. Its also recommended by GM's race engineers. I haven't had a problem in the last six years with my Ls1 with doing this.
_________________ Roy My vids on Youtube My vids on Streetfire
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JackZ28
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Post subject: Posted: Mon Aug 23, 2004 2:30 pm |
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Joined: Mon May 28, 2001 6:03 pm Posts: 8686 Location: Houston, TX
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BenZ28
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Post subject: Re: Oil pressure under hard cornering Posted: Wed Jul 28, 2010 5:05 pm |
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Joined: Mon Sep 10, 2001 3:53 pm Posts: 2485 Location: Mainz, Germany
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To bring this back after 6 years, how much "over" is it, when the oil level reaches the "O" of "OPERATING RANGE". 3/4 quart?
_________________ 1999 Camaro Z28, black, T-Tops, M6
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