Engine Blow Up Stand Breaking in a 377 SBC

Welcome to another issue of "The Engine Run Stand Of Death" The primary purpose of this stand was to break in engines before putting them in cars. Blowing up 305's is just an extra added bonus. Here is a 377 that will go in my 65 Chevelle 2 Door Wagon.

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Visible V8 @ 7000 RPM Part 2 (failure)
This Visible V8 is tested over 7000 RPM for the first time. This is a new block. The cylinder heads are the same from the Visible V8 @ 5000 RPM 1-4 videos, with a new valve train geometry to correct a valve float problem above 5300 RPM. The rods, pistons and crankshaft are from the Visible V8 @ 5000 RPM 1-4 videos. In this test, the generator bracket came loose about 6000 RPM. The Crankshaft sheared off at the 3 and 4 rod journal. The 1 and 2 rod journal bent about 20 Degrees. Everything else is ok. This modified stock crankshaft had 15+ hours of running time before crankshaft failure @ 7151 RPM. The new electric drive motor is a Dayton 2M145 115 Volt 1/2 HP AC DC controlled with a Variac speed controller. Also look close and you will see smoke from the engine. This testing is really pushing the limits of this little Styrene plastic engine, but it has proven to be a real trooper and always comes back (so far) for more. This type of testing has allowed me to learn from each failure how to go faster than the last test. It is trial and error testing, with lots of error. The faster you go, the more problems you run in to. It has been interesting (and fun) to go from the stock 100 RPM to a modified 7000 RPM. @ 7000 RPM the pistons in this little engine are moving up and down 116.6 times per second. Keep in mind that this little plastic engine @ 7000 RPM is running 70 times faster than it was ever designed to run, way back in 1959. Note: A 1/4 inch Plexiglass Blast shield now used above 3500 RPM as it is very intense to be around above 4000 RPM, also because my home owners insurance does not cover exploding Visible V8 engines. 6000 RPM is the current self imposed redline. Above 6000 RPM, anything can happen, as shown here. Also with your mouse, hold down left click and run the little dot on the time line back and forth. You will be able to see the torque stress at several different RPM this little engine is under during the test. Testing continues.....

huge, massive, EPIC engine fail ! unbelievable damage
The by far most epic engine fail I've ever seen. The whole engine is almost completely destroyed and there won't be any chance to repair that piece of trash that it is after that. The destruction starts @ 0:46 Have fun !

Ultimate Engine destruction Collection
Sit back and enjoy those engines biting back.. Detroit Diesels VWs BMWs Trucks Semis No make or model Escapes

572 Cu In Streetable Big Block With 750HP
http://www.proformanceunlimited.com/ Live engine run of a Chevy 572 big block...engine will be run in a '66 Chevy Chevelle...Proformance Unlimited...There is no other Our staff is available to assist you with any questions you may have Monday-Friday 8am-5pm 800-267-3940 or via email info@proformanceunlimited.com We look forward to speaking with you.