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 Post subject: Oil pressure under hard cornering
PostPosted: Tue Aug 10, 2004 12:18 pm 
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This question goes to everyone but especially to Roy: :wink:

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?).

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PostPosted: Tue Aug 10, 2004 12:22 pm 
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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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PostPosted: Tue Aug 10, 2004 12:39 pm 
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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.

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PostPosted: Tue Aug 10, 2004 1:25 pm 
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Thanks for reply. :)

But I didn't say that I have this problem, I was just curious... :wink:

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PostPosted: Tue Aug 10, 2004 2:01 pm 
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Yeah okay, Ihavea friend that has a friend thats a ....... :P

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PostPosted: Tue Aug 10, 2004 2:10 pm 
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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. :oops:

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 Post subject:
PostPosted: Tue Aug 10, 2004 3:45 pm 
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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 .

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PostPosted: Tue Aug 10, 2004 5:08 pm 
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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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PostPosted: Tue Aug 10, 2004 5:36 pm 
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I think so Roy, but I'll check and make sure. Thanks for the tip!

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PostPosted: Tue Aug 10, 2004 7:04 pm 
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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.

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 Post subject:
PostPosted: Tue Aug 10, 2004 7:19 pm 
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I want one of those sweet oil pans from More Performance, with the baffling and stuff...

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PostPosted: Fri Aug 20, 2004 6:53 am 
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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!

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PostPosted: Fri Aug 20, 2004 7:00 am 
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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.

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PostPosted: Mon Aug 23, 2004 2:30 pm 
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Yeah, don't confuse my problems with his problems! :o

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 Post subject: Re: Oil pressure under hard cornering
PostPosted: Wed Jul 28, 2010 5:05 pm 
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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?

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