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4.3L Tune and Mods

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Old Feb 6, 2008 | 08:05 AM
  #21  
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Originally Posted by colbyc
Are you gonna use all the piping and everything from the ty and sy's? Also since we are vortec is that gonna have any effect on how well it runs? I am not quite sure exactly how different the 2 motors are but I do know that the first gen 4.3's were a little different...so what exactly is the difference?
Biggest difference betweens the two is earlier 4.3's didn't run a balance shaft, have potential for a stronger bottom end, but the 96+ 4.3's have the better heads and junky fuel injection and have split pin cranks.

Going to use custom piping. Just intend to use the exhaust manifolds off of the SyTy's.
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Old Feb 6, 2008 | 11:39 AM
  #22  
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From: fort hood for now
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is there any way to do a frankenstine 4.3?
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Old Feb 6, 2008 | 02:26 PM
  #23  
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A few have done that. Gets expensive real quick tho.
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Old Feb 6, 2008 | 04:03 PM
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what is a frankenstein 4.3?
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Old Feb 6, 2008 | 04:21 PM
  #25  
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Mix n match of the older block and crank with the newer heads and such.
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Old Feb 6, 2008 | 07:27 PM
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yes i would look into a Nelson Tune. or even Wheatley. both sponsors >>>
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Old Feb 6, 2008 | 07:46 PM
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which one have people had the better luck with nelson or wheatly?
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Old Feb 6, 2008 | 08:37 PM
  #28  
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i have wheatley son
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Old Feb 6, 2008 | 10:29 PM
  #29  
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I know you have wheatly son i was there when you were talking to the guy...lol hey buy the way what tranny was bolted to your 6.0? Just curious...cause i have heard that the 4.8 trannys are the same as the 4.3 tranny but I am not for sure. And what is wheatly's website? I googled it but no luck
Last edited by colbyc; Feb 6, 2008 at 11:23 PM.
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Old Feb 8, 2008 | 09:52 AM
  #30  
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Originally Posted by colbyc
I know you have wheatly son i was there when you were talking to the guy...lol hey buy the way what tranny was bolted to your 6.0? Just curious...cause i have heard that the 4.8 trannys are the same as the 4.3 tranny but I am not for sure. And what is wheatly's website? I googled it but no luck
most likely you have a 4L60-E.
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