Subject	A ATI damper is pressed fit, Which makes it a PITA to remove
Posted by	toykoz32 on May 18, 2012 at 8:25 PM
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In Reply To	ATI Dampner WTF posted by ouikikazz on May 18, 2012 at 05:19 PM
Message	I use this remover for the ATI and Factory The claw type works on the aluminum pulleys. From ATI Website: Press fit of the hub to the crankshaft is vital to transfer harmonics to the damper assembly. Recommended press is as follows: Crankshaft Snout Diameter Recommended interference 1.0000" - 1.2500" .0009" to .0012" 1.2510" - 1.3750" .0008" to .0011" 1.3750" - 1.6000" .0007" to .0009" GM cranks are typically to tolerance +/- .0001". If you are using an OEM GM crank you can hone the damper hub as follows: Big Block: hone to 1.5993" +/- .0001" Small Block: hone to 1.2460" +/- .0001" On all other cranks, the crank must be checked with micrometers and the hub with a dial bore gauge to verify fit. Most OEM cranks are held to +/- .0002" while most aftermarket cranks are held to +/- .0005." Hub bores are tight to accommodate aftermarket cranks and most steel hubs will require honing. Do not hone aluminum hubs. [ http://www.atiracing.com/products/dampers/damper-instructions.htm ]
Follow Ups	ATI Dampner WTF - ouikikazz 17:19:56 05/18/12 It may throw the balance off.. but its so small.. - KongZTT GT28RS MD 17:28:09 05/18/12 Should be fine. - ZXoltan 18:08:06 05/18/12 ***should*** be fine wouldn't sit comfortably with me - fuzzymonkey 18:22:49 05/18/12 I've seen plenty of chipped stock balancers that never had - aliaZ 19:20:01 05/18/12 Ha , I like that ^^^ (n/m) - Xteam300TT (South Tx ) 22:41:11 05/18/12 Re: ATI Dampner WTF - MaxxAction 18:35:21 05/18/12 Or you can use a small film of anti-seize (n/m) - KongZTT GT28RS MD 18:50:23 05/18/12 2nd (n/m) - aliaZ 19:17:34 05/18/12 Re: Or you can use a small film of anti-seize - MaxxAction 19:21:47 05/18/12 Highly doubt you caused any issue. I don't think that could - Jkova300z 18:36:33 05/18/12 no you can't balance an ATI - aliaZ 19:17:09 05/18/12 I think you contradicted this statement up above, Don :-P (n/m) - ZXoltan 06:51:53 05/19/12 A ATI damper is pressed fit, Which makes it a PITA to remove - toykoz32 20:25:24 05/18/12 Re: A ATI damper is pressed fit, Which makes it a PITA to remove - ouikikazz 21:30:56 05/18/12 That one pictured didn't come with the correct bolt either - toykoz32 21:58:05 05/18/12 Re: That one pictured didn't come with the correct bolt either - ouikikazz 22:09:03 05/18/12 You could grind off a similar amount on the other side if it - turtleboy 22:15:30 05/18/12 Thats just silly (n/m) - toykoz32 23:02:39 05/18/12
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