This why you run a blow proof bell housing and scattershield

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bbrroowwnn

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Off brand here, but same applies to mopars.....check out the converter flying through the floor and through the windshield

converter.jpg


converter1.jpg


converter2.jpg


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Another reason why the words CHEAP & BUDGET etc should never be used when building a performance car. Spend the money on good quality parts, stay away from someones "only made three passes" crap.
 
Yikes ,most guys hate the tech guy at the track (I’m that guy) there’s a reason why NHRA. Makes these rules and we in Force them were not trying to be dicks were trying to keep you and everyone safe as possible.
 
I saw these photos yesterday. My guess is that flexplate is not a heavy duty SFI approved piece. Maybe it tore away from the crank flange first, starting a massive vibration that broke apart the case, then allowing the converter to come out. It's amazing how much damage occurs when something rotating with a lot of weight decides it has had enough.
I hope that dude is ok.
 
Bobzilla I noticed the same thing after looking at the last picture a second time. That is just a standard GM flex plate and flex it did! I couldn't tell you how many of those I have replaced in just a factory street car or truck over the years. They are always cracked at the crankshaft flange. I wonder how many passes he got before it let loose?
 
Yikes ,most guys hate the tech guy at the track (I’m that guy) there’s a reason why NHRA. Makes these rules and we in Force them were not trying to be dicks were trying to keep you and everyone safe as possible.


Actually I appreciate tech guys like you,more then once they pointed out something needing attention on my car..obviously you don't work at E-Town they NEVER checked anything always amazed me:rolleyes::rolleyes:
 
I saw these photos yesterday. My guess is that flexplate is not a heavy duty SFI approved piece. Maybe it tore away from the crank flange first, starting a massive vibration that broke apart the case, then allowing the converter to come out. It's amazing how much damage occurs when something rotating with a lot of weight decides it has had enough.
I hope that dude is ok.

Frankly I'm amazed that 3 or 4 bolts---5/16 in some cases.......can hold the torque between flex and converter
 
I've run a lakewood bell from day one with my 4 spd, autos I never went over 4000 stall and used appropriate parts for the output.

Budget amputations aren't my thing.
 
In my youth a friend had a very nice black '68? Torino fast back SBF 4spd. Clutch or flywheel grenaded parts came out through the windshield cowling about sawed the subframe half in two. Not a pretty picture.
 
This is the old Ron's Drive In gasser from Spokane used to run "in my young days" at the Deer Park WA strip. My memory claims this happened in 66 or 67 likely the early part of the season. I remember this was a cold miserable day, and we had retired to my 57 Chev parked along the spectator side. For some reason I was sitting in the pass seat reading a program my buddy bought. He yelled and I looked up "Ron's blew a clutch!!" ............and looked up just in time to see "junk" coming out the bottom

It says 292 this was a 265/283 Chev bored to 292

Seconds later WHAM!!! A big piece of pressure plate about 2" square had scraped nearly horizontally down the rear quarter of the Caddy parked next to us, so the piece had gone BETWEEN THE CARS

My buddy claimed a guy was hit and died later that day, but I can't find the story and don't remember

RonsDriveIn140ChevyGasser-vi.jpg


RonsDriveIn240ChevyGasser-vi.jpg
 
Bobzilla I noticed the same thing after looking at the last picture a second time. That is just a standard GM flex plate and flex it did! I couldn't tell you how many of those I have replaced in just a factory street car or truck over the years. They are always cracked at the crankshaft flange. I wonder how many passes he got before it let loose?
Probably a low buck flex plate to boot, coming from somewhere on the far side of the Pacific. Amazing how guys spend kilo bucks on engines to make High Power, and yet they cheap out from the bell housing back.
 
My 350 s-10 has sfi flex plate and all arp hardware holding it to the crank and the converter to the flex plate for that very reason! Damn I hope that driver was okay
 
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