Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

LS1 PCM on LT1.

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Old Mar 5, 2009 | 02:02 PM
  #166  
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Originally Posted by DSMKilla
I see, so this setup has a crank and cam sensor where the other one uses the cam for crank and cam reference?
That is correct. But on a modified wheel in the opti. On ls1 engines, the crank sensor is the important one, not the cam sensor. The engines will still run with the cam sensor unhooked, the tach wont work though. Ive just had too much trouble with the optispark system, I have purchased a setup from EFI Connection/S10Wildside.
Old Mar 7, 2009 | 07:01 PM
  #167  
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So what would be the total cost to convert and LT1 to and LS1 system?
Old Mar 7, 2009 | 07:14 PM
  #168  
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I believe that AKAFRED's setup has still yet to run reliably... mine fired perfectly the first time, but i had leaky heads that really layed out my things...

Hey.. ak95TA... is that a YSi trim and Chris Zorka's brackets?
Old Mar 7, 2009 | 10:17 PM
  #169  
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Originally Posted by The Highlander

Hey.. ak95TA... is that a YSi trim and Chris Zorka's brackets?
Yea, it is the blower and brackets that Chris Sykora (Z8's) took into the 8's. I actually bought it from littleredz on here.

Mike with EFI Connection should be shipping my remaining items on Monday. Im pretty anxious.

Here are a few more pics. Gotta a monster crank pulley


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Old Mar 8, 2009 | 01:54 AM
  #170  
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[QUOTE=ak95ta;5869087]Yea, it is the blower and brackets that Chris Sykora (Z8's) took into the 8's. I actually bought it from littleredz on here.

Mike with EFI Connection should be shipping my remaining items on Monday. Im pretty anxious.

Here are a few more pics. Gotta a monster crank pulley


What I love best is it works with the the stock AC compressor and Alternator. Beautious. Perfection. Congrats on some nice pieces there!
Old Mar 8, 2009 | 01:55 AM
  #171  
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Originally Posted by PWR SHFT
So what would be the total cost to convert and LT1 to and LS1 system?

Originally Posted by ak95ta
Harness $800
24x LT1 package $525
coils, used +/-$120
ECU, used +/-$75
front cover, used +/-$50
3 bar map =) $60
Total roughly $1625
I am going with HP tuners pro with the tuning book for an additional $700

Grand total for me +/- $2350
Old Mar 8, 2009 | 07:48 AM
  #172  
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I'm excited about both Highlander and ak95ta builds. I had hoped to have everything shipped by now for Dustin but, being so early in the production of these pieces, his build has taken a little longer than expected. Everything should be out on Monday though.

There are a lot of cam sensor housings here, but they all need machined. For now the housings will be machined manually on the mill and tested on the engine. The CNC shop is working up a quote for the production of the 1x cam reluctors. Those have been taking up to 4 hours each on the lathe and mill. Here's a better shot of the cam sensor components.



About the Engine Harnesses
We're only two items away from having all of the connector components to completely build new harnesses. 8,000 alternator seals should be received this week and 2,800 coolant temp sender connectors should be received in the upcoming months. (How about those minimum quantities!!) Fortunately there are a handfull of these items lying around to keep the engine harness production going.

HP Tuners and Closed Loop
Does HP Tuners allow you to change the injector bank assignments? If not, one of their customers should request it as it will be important for closed loop operation. EFILive does provide for reassigning injector bank assignments. A work around may be changing the injector bank assigments on a stock calibration with EFILive and reading the calibration with HP Tuners.

Dustin - you'll want to look closer at this if you plan to run in closed loop.

I've never used HP Tuners, so I can't speak for their software.
Old Mar 8, 2009 | 11:16 AM
  #173  
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Who made those pulleys????? I have been thinking of moving to a set of cog belted pulleys.

I have a set from chris' too. I have the stock crank pulley from vortech 7" and a 2.75". So we pretty much have the same setup

Sorry to hijack but this has a lot to do with the ls1pcm...
Old Mar 8, 2009 | 12:38 PM
  #174  
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Originally Posted by S10Wildside
HP Tuners and Closed Loop
Does HP Tuners allow you to change the injector bank assignments? If not, one of their customers should request it as it will be important for closed loop operation. EFILive does provide for reassigning injector bank assignments. A work around may be changing the injector bank assigments on a stock calibration with EFILive and reading the calibration with HP Tuners.

Dustin - you'll want to look closer at this if you plan to run in closed loop.

I've never used HP Tuners, so I can't speak for their software.
I haven't been able to find it in the program, but I have started a new thread over at HPTuners forum, so hopefully I can get something going. I did notice however that you could change the firing order on HPTuners. This could help with some of the conversion guys, either that or confuse them.
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Originally Posted by The Highlander
Who made those pulleys????? I have been thinking of moving to a set of cog belted pulleys.

I have a set from chris' too. I have the stock crank pulley from vortech 7" and a 2.75". So we pretty much have the same setup

Sorry to hijack but this has a lot to do with the ls1pcm...
I believe they are ASP pulleys, 8" crank, and 2.75" charger'

Last edited by ak95ta; Mar 8, 2009 at 12:44 PM.
Old Mar 8, 2009 | 12:41 PM
  #175  
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Originally Posted by ak95ta
I haven't been able to find it in the program, but I have started a new thread over at HPTuners forum, so hopefully I can get something going. I did notice however that you could change the firing order on HPTuners. This could help with some of the conversion guys, either that or confuse them.



I believe they are ASP pulleys, 8" crank, and 2.75" charger'
Damn... you are spinning it very VERY fast. Can you please post the part numbers for the ASP Pulleys?

On HPT can you change number of cylinders?

Last edited by Highlander; Mar 8, 2009 at 12:47 PM.
Old Mar 8, 2009 | 12:51 PM
  #176  
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Originally Posted by The Highlander
Damn... you are spinning it very VERY fast. Can you please post the part numbers for the ASP Pulleys?

On HPT can you change number of cylinders?
Fast is good, no seriously, it is being overspun like a ****. I dont have the P#'s you might PM LittleRedZ, as I bought the setup from him. I just checked HPT on the # of cylinders, min val is 8, max val is 8, so it looks like a negative.
Old Mar 8, 2009 | 12:54 PM
  #177  
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I always thought this was fixed, but I wanted to know for sure in case we could do a coil on plug for the typhoons and syclones... or other v6's.

With that setup you should be making close to 21psi boost and around 1000rwhp.

Anyways... Thank you.. I'll PM Him now.
Old Mar 8, 2009 | 08:39 PM
  #178  
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As I was checking with a few people... That firing order ONLY affects Miss fire data. It doesn't affect the actual firing order. You would STILL have to wire the the outputs in the way that Mike @ Efi has done it... Just a clarification...
Old Mar 9, 2009 | 12:13 AM
  #179  
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Originally Posted by The Highlander
As I was checking with a few people... That firing order ONLY affects Miss fire data. It doesn't affect the actual firing order. You would STILL have to wire the the outputs in the way that Mike @ Efi has done it... Just a clarification...
Yep, you are right.
Yea, I was reading the same thing while looking for the injector bank assignment. Supposedly HP Tuners has the table for it, but I guess it is a new development.
http://www.hptuners.com/forum/showth...=injector+bank
Old Mar 9, 2009 | 12:30 AM
  #180  
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EFIlive has it too and a long time ago.



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