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Kirkham Motorsports

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  #1 (permalink)  
Old 04-27-2011, 04:18 PM
Jerry Clayton's Avatar
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I'm gonna go hide under my lakewood--I hear that theres a tornado warning somewhere in Illinois
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Old 04-27-2011, 09:06 PM
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Sorry I don't quite follow how the backing plate will prevent rotation in the event of the block bolts busting off seeing as the backing plate uses those very same bolts.

Again, a 1/8" aluminum backing plate adds near zero structural integrity.

I'm not arguing that the lakewood bell is not stronger than the QT, it is. However, if your running the kind of power to blow a modern flywheel then you should be using a Kevlar blanket.

Padded sun visors are specified on new cars to meet safety specs, but I think their about as helpful as those bottom bolts. Besides if you don't cut that bottom flange off the road will grind it off for you.

I think the moral of this story was "Don't use 40yr old, used, stock flywheels on your 800hp motor."

BTW quoted from the thread referenced:

Of course I should have used the SFI flywheel 90 miles away. If this one didn't blow the thread would have just been about the power we got.

I'm only trying to show why never to use a stock flywheel.

In our defense we weren't launching and shocking the flywheel. We were rolling into it at over 3000 rpm and cutting off at 6500.

Last edited by Ronbo; 04-27-2011 at 09:25 PM..
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Old 04-28-2011, 04:29 AM
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Default I will be careful Jamo

D-cel Jason A iron block as it limits. Pushing over 800 HP is alot for motor block that get about 500 hp. I have not seen anywhere if this was a factory cast bvlock or after market one. I have not seen ALL the picture of the flywheel but looking at 2 new pictures see that a piece or pieces spun inside the housing to twist it off. Looks like they hit the starter hole or clutch arm hole. This will possible happen with ANY bell housing.
I like the QT bellhousing because of the weight different and the compact size. I also think that a tighter space of the clutch assembly help stop some of the damage pieces from blowing out of the bellhousing.
As far as I am concerned the bell did it's job. If this was in a car the driver would still that legs. This is the important thing. Rick L.
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