new ls1 girdle kits! who's heard?
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I was surfing the net and came across this!! has anyone ever used one of these products?
www.dmperformance.org
www.dmperformance.org
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I believe these have been around for quite a bit now. If i was planning to build a new motor, i'd get one. Cheap insurance, and since the motor is apart why not. Rumors are that GM created one to be installed @ the factory, but it never made it to the production motors.
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Originally Posted by Mr_president
and why do you think this?
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I think there has been one full confirmed block failue on a LS1 and I believe it was fro W2W in a 1200+ horsepower application. You should be much more worried about sending a pison through the block then the block actually failing. Waste of money.
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Originally Posted by NoMoreFWD
The main caps on the LS motors are recessed into the block. The caps have 4 bolts holding the cap down and 2 more bolts cross tied to the sides of the block. This is a very good design. I don't see much chance of the mains moving around. Someone from W2W posted about no need for a girdle under 1200 hp. If I was running an old 2 bolt main block I would consider a girdle, but just don't see it being advantageous with the LS motor.
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Originally Posted by Phil99vette
Thats an interesting fact about w2w, didn't they post some pics of a motor that showed some severe signs of the main caps moving around. I think it may have been mike brown's motor but I am probably wrong.
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i dont see it doing much.. if the main bearings do move around, putting a piece of metal inbetween them and their bolts would be a bad idea, and it would just make all of them move instead of one. the 5th and 6th main bolts on the sides i think do a great job of stablizing the mains. but then again ive never had a 1000+ hp motor, and im not an engineer. the engineers at GM decided it wasnt nesscary.. it would be interesting to see if Katech uses one on their race motors
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We have used girdles on some of our high hp boosted engines. They tie in the oilpan rail with the caps, unlike the dsm unit which ties just the caps together. I would venture to say most engines do not need this added unless they are pushing extreme power limits of the factory block. The newer aftermarket blocks should have the added strength to make the girdle obselete.
Kurt
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Originally Posted by 427
We have used girdles on some of our high hp boosted engines. They tie in the oilpan rail with the caps, unlike the dsm unit which ties just the caps together. I would venture to say most engines do not need this added unless they are pushing extreme power limits of the factory block. The newer aftermarket blocks should have the added strength to make the girdle obselete.
Kurt
Kurt
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