Main support what do you think?
02-23-2005, 12:52 AM
#1
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Main support what do you think? www.dmperformance.com
this is supposed to make a stock ls1 block handle well over 1000 hp
let me know what you guys think.
this is supposed to make a stock ls1 block handle well over 1000 hp
let me know what you guys think.
02-23-2005, 04:42 PM
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Go to the web stie and read what it says after looking at it for a while i see how it can make a difference. what it does it bolts the main caps and the main support down at the same time spreading the stress across all the main caps instead of just one.
02-23-2005, 04:56 PM
#7
Originally Posted by 73ChevyC10LS1
Go to the web stie and read what it says after looking at it for a while i see how it can make a difference. what it does it bolts the main caps and the main support down at the same time spreading the stress across all the main caps instead of just one.
Seriously, these work great on weaker blocks (302 and 351w Fords come to mind) that are prone to splitting down the middle with any serious power, and is, in theory, a great idea, just not necessary on our blocks. Production LSx blocks are making 1000+ HP with no block issues whatsoever, so IMO its money better spent elsewhere.Shawn
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02-23-2005, 07:07 PM
#8
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imo.... waste of $$$$
your better off up-grading your rod bolts.... the bottom ends on these blocks are awsome, and need no help like that....
if they helped that much im sure they would be using them on the C5R blocks... but there not!.
your better off up-grading your rod bolts.... the bottom ends on these blocks are awsome, and need no help like that....
if they helped that much im sure they would be using them on the C5R blocks... but there not!.
02-23-2005, 07:24 PM
#9
I believe the idea of the cross tie bolts do the same thing. I do not see how that little bit of thin metel will keep the block from flexing. Put one end of it in a vise and pull on the other, messure it, and I would bet you would see at least a 0.050 deflection in it. Twist it and I bet you would see something of the same. If it is fexable, it will not stop your block from flexing, therefore be a waist of money. Now the idea and enginering of the deep "Y" styled block with cross tie bolts will help. Look at the angle of the pistons and imagine the placment of the load on the block. It is not straight down, it is to the sides. Thats what makes a deep "y" styled cross tie bolted block stronger.
little side note, large industrial engines like the 3500, 3600 series Caterpilers, the VHP, and AT Waukeshas all have this type of block. The big boys from these manufactuare make up to 5000 hp, at 1000 rpm, 24 hrs a day, 7 days a week, 365 days a year, for many years before overhaul. Some calculate that torque. Y blocks are were it is at.
little side note, large industrial engines like the 3500, 3600 series Caterpilers, the VHP, and AT Waukeshas all have this type of block. The big boys from these manufactuare make up to 5000 hp, at 1000 rpm, 24 hrs a day, 7 days a week, 365 days a year, for many years before overhaul. Some calculate that torque. Y blocks are were it is at.
02-23-2005, 09:13 PM
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well im looking at it as more insurance because i already have a lot of money into my engine and if a 300 dallor part can stop somthing from breaking ill buy it.
