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408 stroker #1271311 07/20/12 09:50 PM 07/20/12 09:50 PM
Joined: May 2004 Posts: 246 Jackson Michigan 6 67barrracuda OP enthusiast
67barrracuda OP enthusiast 6 Joined: May 2004 Posts: 246 Jackson Michigan	I have a 408 stroker 360 that is exturnally balanced. If I switch the harmonic balancer, do I need to have the motor rebalanced? What if I keep the same flex plate and neutrally balanced torque converter? Jackson Michigan

Re: 408 stroker [Re: 67barrracuda] #1271312 07/20/12 10:35 PM 07/20/12 10:35 PM
Joined: May 2006 Posts: 1,260 New Mexico A Adobedude pro stock
Adobedude pro stock A Joined: May 2006 Posts: 1,260 New Mexico	Quote: I have a 408 stroker 360 that is exturnally balanced. If I switch the harmonic balancer, do I need to have the motor rebalanced? What if I keep the same flex plate and neutrally balanced torque converter? If the balancer is external you are good to go, if it's internal balance...You will need to get the motor balanced and use a neutral balance flex plate. 2001 Dodge Dakota 408 All Motor 11.27 @ 117.83 mph 2017 NM Mopar Challenge Series Champion.

Re: 408 stroker [Re: 67barrracuda] #1271313 07/30/12 05:52 PM 07/30/12 05:52 PM
Joined: Mar 2003 Posts: 571 Beaverton, OR, USA Alikazam super gas
Alikazam super gas Joined: Mar 2003 Posts: 571 Beaverton, OR, USA	So long as the balancer was a stock balanced for external balance 360 that you are using with the stroke package, you should be able to swap it without issue. Should be easy to tell by looking at the it for the offset lobe on it for the external balance design.

Re: 408 stroker [Re: Alikazam] #1271314 07/31/12 12:10 AM 07/31/12 12:10 AM
Joined: May 2004 Posts: 1,522 Ste-Sophie, Quebec, Canada W Wedgeman pro stock
Wedgeman pro stock W Joined: May 2004 Posts: 1,522 Ste-Sophie, Quebec, Canada	the rotating is balanced with the harmonic balancer...unless it was with a neutral one, you will need to have it balanced

Re: 408 stroker [Re: Wedgeman] #1271315 08/03/12 11:55 AM 08/03/12 11:55 AM
Joined: Mar 2003 Posts: 571 Beaverton, OR, USA Alikazam super gas
Alikazam super gas Joined: Mar 2003 Posts: 571 Beaverton, OR, USA	Quote: the rotating is balanced with the harmonic balancer...unless it was with a neutral one, you will need to have it balanced Only if they did modifications after a "stock" balanced for external. Its not a bad idea to get it all rebalanced, but not 100% necessary assuming whatever you put on there is by a company that does things to spec and has good quality control. And that the people who balanced your engine didn't actually touch the stock external balanced style harmonic balancer that you had on there before.

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