INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

243's on 5.3

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Old Nov 28, 2007 | 11:06 PM
  #61  
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Originally Posted by joshua022
Will I need to get bigger injectors if i do this swap?? possibly 8.1 injectors??
yeah. they are probably maxed out right now.
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Old Nov 28, 2007 | 11:12 PM
  #62  
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Originally Posted by bluecajun5.3
yeah. they are probably maxed out right now.
Damn, you think so?

What size is stock 28lbs?
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Old Nov 29, 2007 | 12:19 AM
  #63  
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Originally Posted by Derek @ EDO
Damn, you think so?

What size is stock 28lbs?
with that cam. yeah they mostlikely are.

stock are 26#
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Old Nov 29, 2007 | 10:16 AM
  #64  
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Originally Posted by bluecajun5.3
with that cam. yeah they mostlikely are.

stock are 26#
What do you recommend? im going to be running about the same set up:220/LTs/milled 243s/all bolt ons. If the 8.1s are good enough do they bolt right in?
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Old Nov 29, 2007 | 10:30 AM
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[QUOTE=bluecajun5.3;3786304]yeah. they are probably maxed out right now.[/QUO

Dang that sucks....

I'm getting some ported 243s, will the 8.1s be big enough?? or what size should be big enough?
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Old Nov 29, 2007 | 11:33 AM
  #66  
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Originally Posted by dkota1968
What do you recommend? im going to be running about the same set up:220/LTs/milled 243s/all bolt ons. If the 8.1s are good enough do they bolt right in?
the 8.1s are 31# and they will bolt right in.
they will be enough.
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Old Nov 29, 2007 | 11:34 AM
  #67  
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Originally Posted by joshua022

Dang that sucks....

I'm getting some ported 243s, will the 8.1s be big enough?? or what size should be big enough?
yes, they should be big enough.
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Old Nov 29, 2007 | 12:40 PM
  #68  
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Originally Posted by bluecajun5.3
yes, they should be big enough.

k. thanks
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Old Nov 29, 2007 | 09:01 PM
  #69  
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Originally Posted by Derek @ EDO
Damn, you think so?

What size is stock 28lbs?
just looked at some of the logs from tuning the truck. idc is maxxed at 94%. so that should answer the question.
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Old Nov 30, 2007 | 04:38 PM
  #70  
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Originally Posted by Truckshop
just looked at some of the logs from tuning the truck. idc is maxxed at 94%. so that should answer the question.
Hmmm, interesting.

Well im probably about to unload off of my 8.1 Marine injectors here soon if your interested. I'm going with 96lbers.
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