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Vtec questions w/EX and LX

  #1  
Old 10-17-2006, 10:11 PM
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Default Vtec questions w/EX and LX

Is buying a D17A2 vtec head all i need to convert my LX engine to EX and get it to the EX stock 127hp???
Or do i need to buy anything else to make the install work? Im thinking of finding the part in a junkyard and changing it on my car, then adding stage 1 camshafts (and maybe valvetrain kit + pistons and Apexi S-AFC2)
I think doing this will add some serious gains. If the head is all i need i will have 12hp more and then another 8 or so w/stage 1. Thats 20 on top of the basic i/e/p set-up i have now.

what do you guys think>?
 
  #2  
Old 10-17-2006, 10:12 PM
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Default RE: Vtec questions w/EX and LX

well not too serious of a gain but if it will work im on it lol

Lx=D17A1
Ex=D17A2
 
  #3  
Old 10-21-2006, 05:02 PM
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Default RE: Vtec questions w/EX and LX

You're in the wrong section, man... this is product review...
 
  #4  
Old 10-29-2006, 09:35 PM
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Default RE: Vtec questions w/EX and LX

could a mod move this? its a legit question i know lots of people will want to know
 
  #5  
Old 10-29-2006, 10:17 PM
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Default RE: Vtec questions w/EX and LX

Just repost it... I think it might be easier to trade in your LX for an EX if you want the vtec... yeah , just post it in Engine section...
 
  #6  
Old 10-29-2006, 10:18 PM
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Default RE: Vtec questions w/EX and LX

moved..................
 
  #7  
Old 12-21-2006, 01:29 PM
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Default RE: Vtec questions w/EX and LX

moved...but no answers?
 
  #8  
Old 01-19-2007, 12:56 PM
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Posts: 30
Default RE: Vtec questions w/EX and LX

Hey Idon't really have an answer but this is the way I understand it from what I've read. The vtec only starts around 4000 rpm where ecu tells the valves to open a little more giving you that extra kick boost / whatever. there is a mod I've only read about that make the vtec kick in sooner so you don't have to wait so long. If this is true than you have to conclude that you need the ex ecu.

I'm about to put a ex engine in my lx. I'm hoping to write up a basic how to with pics. since no one seems to know anything about these too engines compatibility.
 
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