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Thread: Crank key
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05-30-2018, 03:03 PM #1
Crank key
Was curious if anyone knows if there are any "performance" or forged crank keys or woodruff key as they are called
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05-30-2018, 04:07 PM #2Xtreme Member
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Supporting Member2021 Charger Scat 392
1994 Firebird Formula 381 stroker - Carrying the torch! - 9.90 @ 134.3mph on a 200 shot
The wrench/driver for LTConvert's 94 Z28- Ellwein 383/LE Trickflows/ D1SC / CPT Ultra Pro Race 4L60E
10.78 @ 125mph. Shooting for 9.99 for Frank Cahall!
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05-31-2018, 12:52 PM #3
In general, and not always, the key is meant to be the fuse. Bad things usually happen when you bypass those sort of things.
Correlation does not imply causation.
Una salus victis nullam sperare salutem
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05-31-2018, 01:16 PM #4LTx Guru
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Unfortunately, with the addition of an aftermarket harmonic damper, plus a beefy S/C drive, the damper hub can be what fractures, not the key. The solution I have seen is to add a second key 180-deg away. I have seen a couple ATI damper hubs fail due to this. They may have beefed up the design in the intervening years, I'm not sure. In one case, the second keyway was cut in the crank with the crank still in the engine. Have no idea how they did it.
SOLD - GONE TO A (VERY) GOOD HOME ! - 94 Formula A3+1: 381ci forged stroker - Callies Stealth, Oliver 5.85 billet rods, BME nitrous pistons / CNC LT4 heads / CC solid roller / TH400+GearVendors OD / 4.11 Strange 12-bolt / 300-shot N2O / Spohn Suspension / roll bar / MoTeC M48 Pro engine management system /a few other odds 'n ends.
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