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Old 08-05-2013, 02:05 PM   #1
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Exclamation Guys, i need some help badly!

Hey every, i am really confused. i ordered a new balancer hub for my 94 LT-1 and i have a question....i noticed on my crankshaft that there is a place for a key way to be inserted. My new hub does not have a notch to accommodate this key way....Am i missing something or is this correct? If this is correct, can someone explain to me the need for the key in the end of the crank shaft? i am sorry for the questions, but i am trying to learn...
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95 Z-28 ....
Stock LT-1 with A4
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Old 08-09-2013, 09:50 AM   #2
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Re: Guys, i need some help badly!

No you dont need a key. My 97 has that notch too with no key
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Old 08-09-2013, 04:56 PM   #3
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Re: Guys, i need some help badly!

The stock hub has no keyway. Some aftermarket dampers will come with a key. I know my ATI damper has one. They aren't concerned about the damper on the stock engine, because that's all it is - just a harmonic damper, not a balancer. Position on the crank doesn't matter. There is an arrow on the crank and a mark on the hub that was indexed to TDC when it left the factory, but there's no guarantee it hasn't moved or been replaced in a different location.

94 Formula A3+1: 381ci all-forged stroker - Callies Stealth, Oliver 5.85 billet rods, BME nitrous pistons / CNC LT4 heads / Comp Cams custom solid roller / TH400 + GearVendors OD / Strange 12-bolt - 4.11's / 300-shot N2O / Spohn suspension / 6-pt roll bar with integrated SFC's / AutoMeter instrumentation / MoTeC M48Pro engine management system / a few other odds 'n ends. 800HP/800LB-FT at the flywheel.
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Old 08-09-2013, 04:56 PM
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