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.

Tpi wiring harness with LT1 engine

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Old Nov 19, 2010 | 12:43 AM
  #1  
cleanz_28's Avatar
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From: Pasadena, Ca
Car: 1987 Chevrolet Camaro
Engine: Vtec Killer
Transmission: the kind that loses Hondas in 1st.
Axle/Gears: the kind that turn the wheels
Tpi wiring harness with LT1 engine

is it true I can use the tpi wiring harness when swapping in a LT1 ?
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Old Nov 19, 2010 | 05:12 AM
  #2  
vetteoz's Avatar
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Tpi wiring harness with LT1 engine

With a TPI computer?
Only if you run a reg SBC dist, not the LT1 Optispark
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Old Nov 19, 2010 | 06:26 AM
  #3  
FSTFBDY's Avatar
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From: Boosted Land
Car: 92 Z28
Engine: Boosted LSX
Re: Tpi wiring harness with LT1 engine

Yepp, need to loose the opti spark. Drill a hole for distributor. I'm using my stock 92harness running 59 code on my boosted 383 lt1
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Old Nov 19, 2010 | 10:11 AM
  #4  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
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You can also lose those Bandaids that don't stay on your finger (you know, come loose) by cutting off your arm.
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Old Nov 19, 2010 | 02:04 PM
  #5  
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From: Midvale, UT
Car: 1991 RS
Engine: L03
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Re: Tpi wiring harness with LT1 engine

Originally Posted by five7kid
You can also lose those Bandaids that don't stay on your finger (you know, come loose) by cutting off your arm.
you kinda tripped over this one bud, but once I got it. its another classic from the kid!
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Old Nov 19, 2010 | 08:13 PM
  #6  
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From: Boosted Land
Car: 92 Z28
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Re: Tpi wiring harness with LT1 engine

Originally Posted by five7kid
You can also lose those Bandaids that don't stay on your finger (you know, come loose) by cutting off your arm.

thumbs up , I agree and thats a good one. but for me it was a no brainer for now. I had the 383 lt1. and the tig welder to weld up the front cover holes. and mill to do the intake.

7730 ecm with $59 for now. collecting parts for the 411 LTx 24x setup from efi connction.
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Old Nov 20, 2010 | 03:48 PM
  #7  
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From: Kansas City
Car: 1991 Trans Am
Engine: L98
Transmission: T56
Re: Tpi wiring harness with LT1 engine

Originally Posted by FSTFBDY
thumbs up , I agree and thats a good one. but for me it was a no brainer for now. I had the 383 lt1. and the tig welder to weld up the front cover holes. and mill to do the intake.

7730 ecm with $59 for now. collecting parts for the 411 LTx 24x setup from efi connction.
I wish I could have found someone to do the intake mods for me, my swap would have been done a long time ago..
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