Classic Mustangs (Tech) Technical discussions about the Mustangs of yester-year.

connectng rod question

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Old Feb 17, 2008 | 07:11 PM
  #1  
racin66coupe's Avatar
racin66coupe
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From: NH
Default connectng rod question

http://cgi.ebay.com/ebaymotors/NASCA...QQcmdZViewItem

if i get a 4in stroke crank, can i use these rods and what ci would i get? oh yeah, its a 351w

isit even possible use rods not specfic fo the engine/crank?

i also saw some with 6.250in length, will something like that work also?
Old Feb 17, 2008 | 08:59 PM
  #2  
cprstreetmachines's Avatar
cprstreetmachines
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Joined: Aug 2007
Posts: 1,235
From: Socal
Default RE: connectng rod question

I'd pass honestly. Customers of my local machine shop have tried to use them. Only to have found them over heated, or completely usless for a number of reaons.
Old Feb 17, 2008 | 09:36 PM
  #3  
JMD's Avatar
JMD
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Joined: Jan 2007
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From: AR
Default RE: connectng rod question

Without researching, they look to me like the rods are the wrong size on both the bid end and the little end...

Price some new Scat's that actually fit, you can get new H beams for not much more!

A 4.030 bore combined with a 4.000 stroke = 408 CI..

Rod length will be determined by

Deck height = Stroke + Piston compression height + rod length -about .003 (-.003 optional)....

Old Feb 17, 2008 | 09:53 PM
  #4  
my77stang's Avatar
my77stang
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From: Citrus County, FL
Default RE: connectng rod question

i believe these are the high dollar rods used in the nascar motors, they have different crank journal diameters..... but should be VERY high quality parts
Old Feb 17, 2008 | 09:54 PM
  #5  
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67mustang302
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Joined: Apr 2007
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From: California
Default RE: connectng rod question

You can get a set of decent rods these days that are brand new, with floating pins, that'll take more buse than your block, for under $300. Well, if it's a stock block anyway.
Old Feb 17, 2008 | 09:54 PM
  #6  
racin66coupe's Avatar
racin66coupe
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From: NH
Default RE: connectng rod question

ok thanks guys
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