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| Hall of Shame This area is the "Hall of Shame". I started cleaning up some of the parts in the garage and came across some of the examples of what happens when a part gets blown out. This can happen for various reasons, poor manufacturing, poor judgement, bad shifting, etc. Below is a small gallery. I'm sure I'll add more as time going on. The Cars I had ranged from my Old Chevy Chevelle SS396, to a Dana 44 pinion that I twisted off in my Chevy Powered International Scout II. Enjoy and learn... |
This was an oldie. I had not seen this in
many year, from my old Van Nuys High
School days with the Chevelle. The Big
Block Chevy Rocker Arm was a stock one
that was on the car. This was in the early
1980's ear and you were likely one with a
high paying job if you had roller rockers.
Shaft rockers were only on motors that
came with them at that time. This was the
result of the L88 Camshaft with stock rocker
arms that likely was stretching the
application of a stamped rocker. The
pushrod pumped the cup out. Still ran ok,
just noisy. The motor was a 427 with
Square port heads and 12+ Compression. I
drove it to High School...
many year, from my old Van Nuys High
School days with the Chevelle. The Big
Block Chevy Rocker Arm was a stock one
that was on the car. This was in the early
1980's ear and you were likely one with a
high paying job if you had roller rockers.
Shaft rockers were only on motors that
came with them at that time. This was the
result of the L88 Camshaft with stock rocker
arms that likely was stretching the
application of a stamped rocker. The
pushrod pumped the cup out. Still ran ok,
just noisy. The motor was a 427 with
Square port heads and 12+ Compression. I
drove it to High School...
This was the result of a Speed Shift. In of all
things my 1980 International Scout
Traverler. It was a Scout II that was a bit
longer then the shorty Scout. NOT a
Travelall. It originally had a 101 HP Turbo
Diesel engine that was making about 75
Hp. It had hundreds of thousands of miles
when I had the notion to replace it with a
'Hopped' up SB Chevy. The truck got a 372
(400 Block with a 350 Crank from PAW). The
stock 4 speed gear box and transfer case. It
had a mild cam and a few other HiPo parts.
It had smallish tires, but bigger then car
tires. Well I was driving it and pulled a 1 to 2
speed shift and ka-blang. This was the
second driveline failure. The first one blew
the spider gears as I recall. Someone told
me that the Dana 44 was bullet proof...
things my 1980 International Scout
Traverler. It was a Scout II that was a bit
longer then the shorty Scout. NOT a
Travelall. It originally had a 101 HP Turbo
Diesel engine that was making about 75
Hp. It had hundreds of thousands of miles
when I had the notion to replace it with a
'Hopped' up SB Chevy. The truck got a 372
(400 Block with a 350 Crank from PAW). The
stock 4 speed gear box and transfer case. It
had a mild cam and a few other HiPo parts.
It had smallish tires, but bigger then car
tires. Well I was driving it and pulled a 1 to 2
speed shift and ka-blang. This was the
second driveline failure. The first one blew
the spider gears as I recall. Someone told
me that the Dana 44 was bullet proof...
This is from the Ripper (A result of the Jan
26, 2008 Speed Ventures at Willow Spings
Event) This is the Driver Side Head.
This shot is from the inside of the engine
towards the wheel well on the mustang.
Notice one spring is a bit low. At least the
valve is still connected.
26, 2008 Speed Ventures at Willow Spings
Event) This is the Driver Side Head.
This shot is from the inside of the engine
towards the wheel well on the mustang.
Notice one spring is a bit low. At least the
valve is still connected.
This is from the Ripper (A result of the Jan
26, 2008 Speed Ventures at Willow Spings
Event)
This is the Passenger Side head, It had a
broken Valve Spring or Two. I had not seen
this since my High School days with the 427
Chevelle. In guesstimating the rpm that the
broken parts were caused by, I would
project 8500 or so. Too high for steel valves.
26, 2008 Speed Ventures at Willow Spings
Event)
This is the Passenger Side head, It had a
broken Valve Spring or Two. I had not seen
this since my High School days with the 427
Chevelle. In guesstimating the rpm that the
broken parts were caused by, I would
project 8500 or so. Too high for steel valves.
This is from the Ripper (A result of the Jan
26, 2008 Speed Ventures at Willow Spings
Event)
These are the home made (From a fellow
racer). The Rockers were marred up during
a previous broken shaft issue, but
otherwise rockers are all solid, they are
7075 material. The Shafts seem to be more
fragile, but these came off a totally fine set of
springs and valves. From the looks of the
base plates of the shaft it looks like it was
broken for a while, but hard to say. It was
solid looking and look ok until I pulled it. So
at least if broken it did survive.
26, 2008 Speed Ventures at Willow Spings
Event)
These are the home made (From a fellow
racer). The Rockers were marred up during
a previous broken shaft issue, but
otherwise rockers are all solid, they are
7075 material. The Shafts seem to be more
fragile, but these came off a totally fine set of
springs and valves. From the looks of the
base plates of the shaft it looks like it was
broken for a while, but hard to say. It was
solid looking and look ok until I pulled it. So
at least if broken it did survive.
| This is the extracted Oil Pump drive from the Ripper. This may have been the cause or material in the pump seized it and cause the break. I will have more as I pull the motor and get the bottom end apart. The small bits of metal are either block or piston, not sure yet, but it is aluminum. I think the brand of the shaft was Ford Motorsports and not the standard ARP that I would have used, but I'm guessing this would be fine if something didn't get into the pump (Like broken valve spring bits) |
| These were the first blown engine around 2003. It was at the Shelby Cobra Event at the big track at Willow Springs. This was the result of a down shift over rev, but after close inspection of the 'Roller Springs' that were on the fresh motor, it seems they were at the lowest end of pressures. I'm guessing STREET Hydraulic Roller springs were used. So it seemed that the builder was under the impression that the car would be driven around town hauling kids and groceries. Oh well. The motor mad another 30+ Hp with a rebuild so go figure on how well it was built. These heads were totally rebuilt with Titanium Valves by Total Engine Airflow (TEA) and hopefully will run well. |
| Other Notable Events For the Hall of Shame Burnt up Plymouth Station wagon due to hacked up carb, removed Thermoquad and replaced with Rochester Quadrajet. Didn't run an air filter or choke. It Backfired and burnt down. I had a bad needle and seat on my 1969 Big Block Corvette (It was a POS). I had replaced the QJet with a Holley and parked it on a hill and the Holley was in bad shape. Seems the leaking needle and seat filled the motor with 5 Gallons of gasoline. I drained it but didn't do a good enough job, lost a bearing. My brother subsequently borrowed it and blew a hole in the side of the block and made the connecting rod look like a 'S'. (Partial Credit to my Brother) Speed shifting a Saab 93 at Monterrey a few years back (GM Demo Car), broke a motor mount. It was like a rental car, and under warranty still... Speed shifting the IH Scout, broke the spider gears. About month or so later , speed shifting with a mattress on the top, twisted the pinion in half on the rear Dana 44 (see photo). Various broken valve train part on the big blocks, usually springs, stamped rocker arms either split or push out the cup. Smashed a fender in my 1966 K-Code Mustang Fastback into a parked car by shutting down a New 911 that was trying to pass on the right in the parking lane. Speed shifting on a crowned road is not a good thing, Porsche guy didn't pass until I lost it. The cars name was Blue Beard. It was a mean car with a temperament. Brakes sucked...yeah, that's it. Speed Shifting, Broke the shifter on BMW 323 Alpina. Sparky was a good car. Ran hard for a 2.5L 6 Dropped a pencil in a cylinder while probing for TDC in a Big Block Chevy. Just processed it. Well, I'll add more as I think of them, but seems to be a common theme to some of the broken cars or wrecks... See if you can figure it out. And I quote a movie that explains it all - "[Press] Is it true Mr. Frankenstein you can shift faster then a 60th of a second.... [Mr. Frankenstein] No comment" |
| This was the valve after I collected all the parts from various cylinders. Bits of the valve and seat from the cylinder head was shrapnel in each of the 8 holes. The exhasust valve was also a tinge off but did not break. |