Tell me why I should not fill my ls3 block?
#1
Tell me why I should not fill my ls3 block?
Well I am building a twinturbo setup with an ls3 block and I know it is not the most ideal block to use but it is what I have. So with that in mind I am looking for 1000rwhp out of this thing. It will be street driven on the weekends.
-Twin TC 76/68s
-TFS 245s
-Custom liljon cam
-e85
-triple pumps
Those are the basics. I don't have a problem running a huge oil cooler, but I want to know if people have done it? What are people's opinions on it and if you think I won't have issues keep it cool.
-Twin TC 76/68s
-TFS 245s
-Custom liljon cam
-e85
-triple pumps
Those are the basics. I don't have a problem running a huge oil cooler, but I want to know if people have done it? What are people's opinions on it and if you think I won't have issues keep it cool.
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#8
TT-TECH Veteran
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Well I will say you can do what you want, and if you want to fill it go ahead and do it. Most of the fillers do say something about not using on an aluminum block because of the expantion and contration they do vs an iron block etc... I am and have run multiple ls2's at the 1000-1200rwhp and haven't had any issues and I have never filled any block. But if you think your doing something to help yourself go ahead I always like to encourage ppl to do what they want so we are not all rolling around here all running stock 5.3's and 4.8's with turbos lol! But all am saying is there is no need really! But GL with your build.
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#11
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It's holding the HP for a longer period of time. It is known that caps walk and the block can flex and move around a bit. By filling the bottom of the block, the lower end will stay together longer, and wouldn't beat up the bearings as bad. Same kind of prevention like pinning the mains.
#12
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you'll lift the heads long before you need to fill the block. its a waste of time and money. if you're worried that much just get it sleeved and call it a day. ive seen people make 1200 wheel all day long with no issues on the stock block
#13
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It's holding the HP for a longer period of time. It is known that caps walk and the block can flex and move around a bit. By filling the bottom of the block, the lower end will stay together longer, and wouldn't beat up the bearings as bad. Same kind of prevention like pinning the mains.
#15
TECH Apprentice
It's holding the HP for a longer period of time. It is known that caps walk and the block can flex and move around a bit. By filling the bottom of the block, the lower end will stay together longer, and wouldn't beat up the bearings as bad. Same kind of prevention like pinning the mains.
#17
TT-TECH Veteran
iTrader: (29)
I know of three here in Houston, but no build threads on the cars (2 416's and 1 370). So no I didn't post a link lol! But hey if its not on the internet, it didn't happen right. Besides it was the core shift that made the LS3's and L92 not as nice as the LS2's not anything to do with the mains. They just had the sleeves way more off than most of the other blocks so in some cases they had significantly less material around the sleeves. So I would be way more concerned about that than the mains/ filling the block etc... But thats just my opinion and like I said earlier why are we even talking about it. Just do it if you want, its not like thats going to brake the bank etc... GL!
#18
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I know of three here in Houston, but no build threads on the cars (2 416's and 1 370). So no I didn't post a link lol! But hey if its not on the internet, it didn't happen right. Besides it was the core shift that made the LS3's and L92 not as nice as the LS2's not anything to do with the mains. They just had the sleeves way more off than most of the other blocks so in some cases they had significantly less material around the sleeves. So I would be way more concerned about that than the mains/ filling the block etc... But thats just my opinion and like I said earlier why are we even talking about it. Just do it if you want, its not like thats going to brake the bank etc... GL!
Dont you think the purpose of the block fill is to strengthen the area around the sleeves? lol.
Im sure the idea behind the queston was since this is a street car, is the cooling ability going to be greatly reduced and was looking for guys that have done it, not just "oh yeah 1000 is cake dont worry" replies from guys that have no personal experience doing it.
#19
TECH Apprentice
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The 370 isnt going to be a 6.2 block btw.
Dont you think the purpose of the block fill is to strengthen the area around the sleeves? lol.
Im sure the idea behind the queston was since this is a street car, is the cooling ability going to be greatly reduced and was looking for guys that have done it, not just "oh yeah 1000 is cake dont worry" replies from guys that have no personal experience doing it.
Dont you think the purpose of the block fill is to strengthen the area around the sleeves? lol.
Im sure the idea behind the queston was since this is a street car, is the cooling ability going to be greatly reduced and was looking for guys that have done it, not just "oh yeah 1000 is cake dont worry" replies from guys that have no personal experience doing it.
#20
TT-TECH Veteran
iTrader: (29)
The 370 isnt going to be a 6.2 block btw.
Dont you think the purpose of the block fill is to strengthen the area around the sleeves? lol.
Im sure the idea behind the queston was since this is a street car, is the cooling ability going to be greatly reduced and was looking for guys that have done it, not just "oh yeah 1000 is cake dont worry" replies from guys that have no personal experience doing it.
Dont you think the purpose of the block fill is to strengthen the area around the sleeves? lol.
Im sure the idea behind the queston was since this is a street car, is the cooling ability going to be greatly reduced and was looking for guys that have done it, not just "oh yeah 1000 is cake dont worry" replies from guys that have no personal experience doing it.