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427 Installation Complete!

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Old May 19, 2007 | 04:39 PM
  #21  
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That looks sweet.
I'd love to put a 7.0L in mine.
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Old May 19, 2007 | 06:00 PM
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Thanks for the answers. I really do appreciate it. Any mods to the front end suspension to take on this 427 monster? Does all electronics hook up clean? Did you do your own installation?
Thanks again!

Last edited by redvette777; May 19, 2007 at 06:03 PM.
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Old May 19, 2007 | 06:04 PM
  #23  
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WOW!!! I wish I had the stones and the $ to do it!!!!!!!!!!!!
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Old May 19, 2007 | 06:23 PM
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Originally Posted by 7LitreC5
I expect (and hope) that this will put down at least 500rwhp.

Mark
Yeah. That shouldnt be a problem. I dont think it will disappoint you.
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Old May 19, 2007 | 07:00 PM
  #25  
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Originally Posted by edcmat-l1
Yeah. That shouldnt be a problem. I dont think it will disappoint you.
Trust Ed
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Old May 19, 2007 | 07:05 PM
  #26  
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Originally Posted by phils C5 vette
Trust Ed
Thanks Phil:o
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Old May 19, 2007 | 08:15 PM
  #27  
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WOW! That is super nice.
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Old May 19, 2007 | 08:42 PM
  #28  
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The LS7 based 427 weighs about what the stock engine does so there is little if any additional weight. No suspension mods needed and the car sits at the same height.

Some of the sensors are in different locations so you need to buy some extension/conversion harnesses. Katech makes them. Just plug them in and you are done.

I had a local shop do the installation. I am doing my own tuning using EFILive and an Innovate wideband O2.


Originally Posted by redvette777
Any mods to the front end suspension to take on this 427 monster? Does all electronics hook up clean? Did you do your own installation?
Thanks again!
Reply
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Old May 19, 2007 | 08:44 PM
  #29  
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Thanks! That's what I want to hear.


Originally Posted by edcmat-l1
Yeah. That shouldnt be a problem. I dont think it will disappoint you.
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Old May 20, 2007 | 01:05 AM
  #30  
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Very awesome... nice install.
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Old May 20, 2007 | 02:29 AM
  #31  
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Originally Posted by 7LitreC5
The coil relocation brackets are from Katech. They will only work with the Katech valve covers.
i fricken luv 'em !
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Old May 20, 2007 | 02:32 AM
  #32  
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you gotta make a run on a c6 z06 and freak him out! hehehe
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Old May 20, 2007 | 04:11 AM
  #33  
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LOOKS GREAT
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Old May 20, 2007 | 05:54 AM
  #34  
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I'm interested in this, because I'm looking to build an iron block 427... mind PM'ing me the details so I can better build mine? Cam specs, behavior, mileage and gear ratio, power/dyno specs, etc?

Looks friggin hot man! Does that fuel rail on the L76 intake plug right in to the C5 fuel lines?
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Old May 20, 2007 | 02:46 PM
  #35  
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Originally Posted by redvette777
Looks very good. Please excuse my ignorance. Is this out of a C6 Z06? Is this a create motor? What horse is it? Where did it come from? Are there more? How much was it? Is it stock? I must of got in on the last of this but I'm very interested in this "UPGRADE".
If your going to put an LS7 into a C5 you need to use the proper reluctor gear so your C5 computer will work
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Old May 20, 2007 | 03:15 PM
  #36  
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The cam is in my sig. The L76 fuel rail does indeed just plug right into the C5 fuel line.

As for mileage I don't know yet. I only have 45 miles on the new setup right now. If we weren't having a thunderstorm right now I'd be out driving it.

I have not run it on the dyno yet. I want to get a few miles on it first. Drivability is great so far especially considering that I have not done hardly any tuning on it. I have it idling at 950 right now.


Originally Posted by dhirocz
I'm interested in this, because I'm looking to build an iron block 427... mind PM'ing me the details so I can better build mine? Cam specs, behavior, mileage and gear ratio, power/dyno specs, etc?

Looks friggin hot man! Does that fuel rail on the L76 intake plug right in to the C5 fuel lines?
Reply
Old May 20, 2007 | 05:20 PM
  #37  
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Originally Posted by 7LitreC5
The coil relocation brackets are from Katech. They will only work with the Katech valve covers.
Does Katech make coil relocation brackets for LS1 engines? That looks like a vanity mod I might do to my car.
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Old May 20, 2007 | 06:33 PM
  #38  
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Originally Posted by hhntr111
Does Katech make coil relocation brackets for LS1 engines? That looks like a vanity mod I might do to my car.

Yes.
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Old May 20, 2007 | 08:14 PM
  #39  
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Congrats! The Coils & Valve covers look wicked!
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Old May 21, 2007 | 10:15 AM
  #40  
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Originally Posted by Katech
Yes.
Thanks...I'll PM you.
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