Anybody that ever Blew up an LS1
Anybody that ever Blew up an LS1 Just wondering about anybody that has ever blew up an LS1 wondering what happened like what was the failure and cause and what were the miles & mods. Kinda tryin to get the idead or what these motors can really take before they give.
~80K miles, shifted into 2nd instead of 4th at the redline. Worked "fine" for a few months and then had lifter/lifter tray failure that ate the cam and lifter. requiring a total rebuild.
That was WITH a pro 5.0 shifter, too.
Been down for 10 months due to idiots, hope to get it back next week.
</been saying that for 8 months>
That was WITH a pro 5.0 shifter, too.
Been down for 10 months due to idiots, hope to get it back next week.
</been saying that for 8 months>
Hmm yeah my buddy did something similar in his 01 WS6 did it a few too many times but the final tome he went from 2nd to first and spun a bearing.....probably didnt help the thing was somehow just over 2 qt low on oil....a week after an oil change, or so he says. Car was stock with the Hurst shifter and a loud mouth like exhaust on it (Custom) and a K&N Filter like 42K on it.
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Staging Lane
Joined: Apr 2002
Posts: 62
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From: Artesia, NM
Rod problem 8000 miles on a 05 GTO, yeah, not happy! I'm gonna replace it with a 402 from tsp. Mods are in sig. It happened at the track shifting from 3rd-4th, actuall I hadn't shifted yet but getting ready to@6200rpm.
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With everything below, minus the forged 347, heads, and a fm14 cam instead of a ms3, I spun a bearing on the number 7 cylinder. Had 35000 miles on the stock block and I guess I just kept over-reving it too much.
160k on mine before it spun a bearing. Oil was low, but it had been burning oil for sometime and just kept dumping more and more, so I think it was just getting worn out anyways. And up until that time, it always had 150 shot on it, so I don't think it's really that bad.
TECH Enthusiast
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From: Detroit, MI - Camp Pendleton, CA
I believe I spun a bearing over the weekend. As with Monica, my engine has been burning a qt every month and it was low last week so I just filled it. I ran it hard on Woodward Ave. and started to knock that got louder when I revved it. My engine is also a 98 which is notorious for oiling problems. LS1's can take abuse, but once they are oil starved or overrevved like any other engine, parts start to go bad.
-Alex
-Alex
Last edited by Slo_240sx; Jul 10, 2006 at 11:58 PM.
Mine came apart at 5# of boost and partial throttle. Leaned it out and it knocked the top of the #2 piston off... Never did find the piece, and it didn't do much damage to the head... Didn't go through the turbo, but I did find metallic liquid that resembled piston material.
yeah I destroyed (split a piston in half, cracked two others, snaped a rod in half, destroyed the oil pan, luckily the heads only needed minor machine work just 2 bent valves) my 98 LS1 block, mods - long tube headers, !AIR !REAR 02, Aerochamber muffler. --- This Was All While Coming Up To An Intersection, I was doing about 65mph.
Lq9 in an '04 Silverado SS
Patriot Stage III
NX 250 wet
Custom Cam from TR 231/237 range
AZ Speed Headers
STOCK bottom end
Tune by me
Piston Let go along with Rod on #7 after owner was at or near WOT for 5min on highway. Approximately ten 10#bottles through the engine @250 and 20+ at 200 and 150 prior to signing off.
Patriot Stage III
NX 250 wet
Custom Cam from TR 231/237 range
AZ Speed Headers
STOCK bottom end
Tune by me
Piston Let go along with Rod on #7 after owner was at or near WOT for 5min on highway. Approximately ten 10#bottles through the engine @250 and 20+ at 200 and 150 prior to signing off.
This may not count but do to a so called mechanic, my cam bolts backed out(no thread lock) floated all the valves onto pistons, 1 valve head lodge sideways in the top of a piston then took out a spark plug and damaged head. That *** cost me $7500+ car was down for 1 year and 3 months.
Originally Posted by HottLS1Z
Wow I'm really kinda disappointed in these motors now after all those stories well the ones under 150K anyways.
mine went out running it on motor threw 2 rods out going across the finish line,it had 160k on it,they are stout just keep eye on oil pressure and make sure u keep it full to spec
Mine had about 75,000 miles on it. Full bolt-ons, heads and cam. I through rod, cracked a piston, shattered the oil pan, and bent a vavle. All I can say is thank god it happened on the dyno.