Discussion
I'd be surprised if you could generate sustained corning forces such that you'd need a dry sump in a ro/vxr8 without some serious setup mods and slicks.
But if it is a problem or concern then an excellent compromise is somethin like an Accusump. These act as reserve resevoir's and if oil pressure drops below a set level then they cut in and can maintain pressure for a few seconds. Not perfect and not the same as a dry sump but they are compact and easy to fit (they just hook into the existing oil pipework) and can work out cheaper than a full on dry sump.
But if it is a problem or concern then an excellent compromise is somethin like an Accusump. These act as reserve resevoir's and if oil pressure drops below a set level then they cut in and can maintain pressure for a few seconds. Not perfect and not the same as a dry sump but they are compact and easy to fit (they just hook into the existing oil pipework) and can work out cheaper than a full on dry sump.
ads_green said:
I'd be surprised if you could generate sustained corning forces such that you'd need a dry sump in a ro/vxr8 without some serious setup mods and slicks.
But if it is a problem or concern then an excellent compromise is somethin like an Accusump. These act as reserve resevoir's and if oil pressure drops below a set level then they cut in and can maintain pressure for a few seconds. Not perfect and not the same as a dry sump but they are compact and easy to fit (they just hook into the existing oil pipework) and can work out cheaper than a full on dry sump.
My tunenths worth...But if it is a problem or concern then an excellent compromise is somethin like an Accusump. These act as reserve resevoir's and if oil pressure drops below a set level then they cut in and can maintain pressure for a few seconds. Not perfect and not the same as a dry sump but they are compact and easy to fit (they just hook into the existing oil pipework) and can work out cheaper than a full on dry sump.
I fully researched the accusump option when I sourced my Ultima engine. My research came from other Ultima owners comments who I spoke to before I started to specify the car, and a guy on the Chevy forums who is a bit of a legend called 'Grumpy Vette'. I also witnessed first hand in a friends Ultima Canam the effects of the Accusump. It sounds good value for £400 but in the end I went for a full dry-sump system with a 3 port pump - 2 scavenge and one feed. The problem with the accusump is that when the pressure drops to a trigger point, it 'shoots its load' and keeps the pressure where it should be when the cornering anamoly occurs. Thats ok, but immediately after that it then re-directs the oil flow back to the accusump to recharge it ready for the next time and the engine is then starved for oil during the next corner while you are refilling the accusump. This is a contencious subject and if you want to hear all the views, I suggest you search the Ultima forums as it has been the subject of much speculation and done to death. You will find that the people that bought into it all swear by it, but it was only by seeing it myself that I make this statement. I got stick for going dry sump with a certain Ultima forum mod telling me it was excessive and overkill for road use (guess what he had?), but I totally abused that car both on the road and the track and the oil pressure never dropped below its normal pressure; infact the guage just does not move - ever - so it did exactly what it was supposed to do. Having paid out over £10k for a superb 510bhp Peter Knight chevy race engine there was no way I was going to entertain any risk to it.
In an Ultima there was a place for the tank but in a Holden/Monaro I think you would have to mount it in the boot and then you have to find a place to run #12 guage hoses, and if you do it properly with BF Goodrich annodised fittings you will be looking at £500 for the hoses and fittings alone I kid you not. The dry sump kit minus hoses was about a £1000 and came from Summit Racing in the US. I would love to go dry sump with my SS, but I would need to be spending £10k on the engine to justify it. I would like to add that if you have a standard road car even with a 'charger I would see no need for it. As mentioned here you cannot get to the levels of G that you would on a track and the likelyhood of doing so on the road are (hopefully) slim. If, however, your name is Harry and you do a lot of track days then providing you have enough space to install such a system, I would definately recommend it
I am surprised that the oil in the vxr8 gets as hot as it does when pushing it.
I know (or am pretty sure!) the LS2 has an oil/water cooler already but I suspect that a second cooler could be useful for track work.
Probably preaching to the converted but looking after the oil is half the battle of making a reliable and tuned engine.
I know (or am pretty sure!) the LS2 has an oil/water cooler already but I suspect that a second cooler could be useful for track work.
Probably preaching to the converted but looking after the oil is half the battle of making a reliable and tuned engine.
Edited by ads_green on Monday 11th February 11:10
Thank you very much for your replies.
The engine will not be going in a Monaro, but a kit car,
It will be a road car, but it will be used on track days, and it here that it worries me, as I will be using soft Toyo R888 tyres.
The engine has come with a Z28 sump. However I want to buy some peace of mind, and the extra space would be beneficial too.
The engine will not be going in a Monaro, but a kit car,
It will be a road car, but it will be used on track days, and it here that it worries me, as I will be using soft Toyo R888 tyres.
The engine has come with a Z28 sump. However I want to buy some peace of mind, and the extra space would be beneficial too.
Kevin k said:
Thank you very much for your replies.
The engine will not be going in a Monaro, but a kit car,
It will be a road car, but it will be used on track days, and it here that it worries me, as I will be using soft Toyo R888 tyres.
The engine has come with a Z28 sump. However I want to buy some peace of mind, and the extra space would be beneficial too.
LS6 Corvette sump would probably be the easiest option.The engine will not be going in a Monaro, but a kit car,
It will be a road car, but it will be used on track days, and it here that it worries me, as I will be using soft Toyo R888 tyres.
The engine has come with a Z28 sump. However I want to buy some peace of mind, and the extra space would be beneficial too.
It was designed for the C5/6 Vette, which can pull 16 around the corners or something like that.
Its a shallow, big wing style, with good internal baffles. Look under C5 Corvette.
http://www.ls1tech.com/forums/showthread.php?t=817...
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