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Push rod length

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Old Jan 26, 2006 | 12:25 AM
  #1  
1991 RS 305's Avatar
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From: Blaine, MN
Push rod length

I just purchased some vortec heads. I'm having them milled and i'm wondering if I will need new shorter pushrods to keep the valvetrain geometry correct.

Thanks, Matt
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Old Jan 26, 2006 | 12:48 AM
  #2  
Dewey316's Avatar
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From: Portland, OR www.cascadecrew.org
Car: 1990 Camaro RS
Engine: Juiced 5.0 TBI - 300rwhp
Transmission: T5
Axle/Gears: 3.42 Eaton Posi, 10 Bolt
You will need to check it when you get the heads on. There is no way for us to know.
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Old Jan 26, 2006 | 07:00 PM
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hoogabooga's Avatar
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From: mocksville nc
Car: '68 corvette '73 Corvette
Engine: 427 454
Transmission: TH400
can someone please explain how to use a pushrod checker to check for proper geometry to 91 rs and me? what exactly are you looking for. i am going to be swapping cam and heads soon too.
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Old Jan 26, 2006 | 09:02 PM
  #4  
slapi01's Avatar
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From: ct
Car: trans am
Engine: sbc350, afr 180cc head, comp full roller, xtrem 276,comp 1.6 roller rockers,weiand142
Transmission: tremec tko
Axle/Gears: 8.5 3.73 gear, moser 30 spline axles,eaton posi
this pretty much covers what you need to know to get started. hope this helps...

http://www.compcams.com/information/Products/Pushrods/
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Old Jan 28, 2006 | 06:50 AM
  #5  
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From: mocksville nc
Car: '68 corvette '73 Corvette
Engine: 427 454
Transmission: TH400
thanks for the reply.
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