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Author
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Topic: ATI damper
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50Reasons
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Member # 6452
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posted
 
 
What ATI damper should I order? This is for my 347" I know I need a 28 oz balancer but other then that dnt know what to exactly order size ,external balanced and should the stock center bolt be the bolt to use or do I need a longer one ? And my pulley bolts should line right up right? No adapter needed correct? Please let me know Cafords thanks
[ February 24, 2012, 02:47 PM: Message edited by: 50Reasons ]
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50Reasons Car Club President
Daniel/50Reasons
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Posts: 9483 | From: Sacramento Ca | Registered: Jan 2006
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triple b
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Member # 8763
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posted
yours should be external whats the part # on the ati?
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1988 4cyl conv 306 HCI "sasha"
2004 tahoe
Sold- 87 GT, 72 chevelle, 63 biscane, 82 monte carlo, 73 nova, 88 silverado,
Posts: 1730 | From: sacramento ca | Registered: Nov 2008
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1SLOWLX
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Member # 558
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Same 347 I sold you? Didn't it have an ati balancer already on it?
[ February 24, 2012, 11:18 AM: Message edited by: 1SLOWLX ]
Posts: 5231 | From: bay area | Registered: Nov 2001
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BIGBALLFACTOR
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Member # 7277
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posted
call ati the can build one to your engine specs or the will tell what of the shelf one you need
Posts: 6908 | From: okc | Registered: Dec 2006
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50Reasons
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Member # 6452
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posted
quote:
Originally posted by SS396 chevelle:
call ati the can build one to your engine specs or the will tell what of the shelf one you need
Ok I'll try that and see if that helps thanks
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50Reasons Car Club President
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Posts: 9483 | From: Sacramento Ca | Registered: Jan 2006
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straightliner1
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Member # 2679
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posted
Depending on how your reciprocating assembly is balanced will make a diffference too. Typically, a stock balancer is 28oz imbalance. When going to a stroker kit that has NOT been neutral or zero balanced, you need a 50oz imbalance.
Also, a lot of the balancers out there need to be honed to fit your crank snout - keep this in mind. My ATI was like this.
Posts: 484 | From: Sacramento | Registered: Apr 2003
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50Reasons
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Member # 6452
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posted
quote:
Originally posted by straightliner1:
Depending on how your reciprocating assembly is balanced will make a diffference too. Typically, a stock balancer is 28oz imbalance. When going to a stroker kit that has NOT been neutral or zero balanced, you need a 50oz imbalance.
Also, a lot of the balancers out there need to be honed to fit your crank snout - keep this in mind. My ATI was like this.
Hmm I hear different on 347" from each machine shops I've visited always told me my blown347" needed a 28oz fly wheel and balancer
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50Reasons Car Club President
Daniel/50Reasons
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Posts: 9483 | From: Sacramento Ca | Registered: Jan 2006
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triple b
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Member # 8763
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^he got it backwards....but actually coast high performance does balance at 50oz but they recommend against it look at the website for the rational but yeah you need to really find out who but it and balanced it
Posts: 1730 | From: sacramento ca | Registered: Nov 2008
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CA-86foureyefifty
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Member # 10856
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posted
The rule of thumb i go by is (but there are some exceptions) most cast stroker cranks are going to be a 28oz ecxept stock cranks most of your 5.0 cranks are a 50 oz balance and older 302s and 289s are a 28oz imbalance, most 4340 forged cranks are going to be an internal balance aka neutral or 0 balance. Maybe that may help. ![[patriot]](graemlins/patriot.gif)
[ February 25, 2012, 03:49 AM: Message edited by: 86foureyefifty ]
Posts: 164 | From: Bay | Registered: Apr 2011
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