LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

lt1/ls1 cylander and fire order

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Old Aug 16, 2009 | 06:45 PM
  #1  
timeflyere6's Avatar
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From: bflo ny
Car: 1992 camaro rs 25th aniversery
Engine: crapy 305 tbi
Transmission: blown 700r4
Axle/Gears: stock
lt1/ls1 cylander and fire order

ok got this crazy idea might work i want to mod my lt1. I Am planning to change my ignition set up by moving the location of the opti spark. My idea will be changing the cam dowel so I can use an Ignition control modual with caps from possibly an Ls1 or another engine that uses I control modual for the ignition set up so that I can increase spark power and make tune up easier. what I need though is the firring order for both engines and cylinder locations as well as travel hight for pistons in both engines If my theory works which it should I'll post what i did and how Im pretty sure that the ls1 will be closest
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Old Aug 16, 2009 | 06:52 PM
  #2  
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From: bflo ny
Car: 1992 camaro rs 25th aniversery
Engine: crapy 305 tbi
Transmission: blown 700r4
Axle/Gears: stock
Re: lt1/ls1 cylander and fire order

also I need to know when and what cylinders are at detonation together at what time on both engines
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Old Aug 20, 2009 | 09:11 AM
  #3  
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From: Pepperell, MA
Car: 1987 Trans Am
Engine: LQ9/L92
Transmission: 4L60E
Re: lt1/ls1 cylander and fire order

LT1 firing order: 1-8-4-3-6-5-7-2
LS1 firing order: 1-8-7-2-6-5-4-3

I know its not everything you need, but its a start
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Old Aug 20, 2009 | 03:09 PM
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From: bflo ny
Car: 1992 camaro rs 25th aniversery
Engine: crapy 305 tbi
Transmission: blown 700r4
Axle/Gears: stock
Re: lt1/ls1 cylander and fire order

thanks that it is i know my idea sounds crazy but if this works i mean were looking at a whole new area of preformance
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Old Aug 20, 2009 | 06:32 PM
  #5  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Originally Posted by timeflyere6
My idea will be changing the cam dowel so I can use an Ignition control modual with caps from possibly an Ls1 or another engine that uses I control modual for the ignition set up so that I can increase spark power and make tune up easier.
The LS1 doesn't have a control module or cap. It has one coil per cylinder.
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Old Aug 20, 2009 | 08:04 PM
  #6  
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From: bflo ny
Car: 1992 camaro rs 25th aniversery
Engine: crapy 305 tbi
Transmission: blown 700r4
Axle/Gears: stock
Re: lt1/ls1 cylander and fire order

interesting even better so the pcm controls it completely i didnt know that well i can work with that
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Old Aug 20, 2009 | 08:40 PM
  #7  
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Car: 1982 Z28
Engine: LS1
Transmission: T56
Re: lt1/ls1 cylander and fire order

Originally Posted by timeflyere6
interesting even better so the pcm controls it completely i didnt know that well i can work with that
Quite a bit has been done along the lines of what you're proposing, as far back as 2002 people were running LS1 coil packs, etc.

You might check a board more focused on the LT1, like camaroz28.com and search for "Electromotive" for example.
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Old Aug 20, 2009 | 08:44 PM
  #8  
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From: bflo ny
Car: 1992 camaro rs 25th aniversery
Engine: crapy 305 tbi
Transmission: blown 700r4
Axle/Gears: stock
Re: lt1/ls1 cylander and fire order

thanks man
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Old Aug 22, 2009 | 09:49 PM
  #9  
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From: Kansas City
Car: 1991 Trans Am
Engine: L98
Transmission: T56
Re: lt1/ls1 cylander and fire order

Why not pull the intake and have it machined for a regular distributor and then run a megasquirt setup? Would be pretty simple, wiring would be easy and it would basically run like a regular SBC at that point.
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Old Aug 22, 2009 | 10:39 PM
  #10  
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From: NC
Car: 91 Trans Am
Re: lt1/ls1 cylander and fire order

If he mods it for a distributor then he can run a 730 ECM on it
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