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.

D Port LS swap headers

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Old Feb 18, 2019 | 04:32 PM
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86iroc504's Avatar
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D Port LS swap headers

Hi guys. I'm doing an iron ls1 swap with 243 heads which has D port exhaust chambers. Do anyone know who/where I can find a set of long tubes? All the pictures I've seen for the swap headers are oval port
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Old Feb 18, 2019 | 06:05 PM
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Re: D Port LS swap headers

Nevermind the exhaust port shape. The round headers are what you want, and use LS1 style header gaskets.

For what it is worth, all LS1 engines are aluminum. You have a Vortec truck engine with a head swap. Should run good!
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Old Feb 18, 2019 | 06:31 PM
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From: Nawlins
Car: 86 Camaro
Engine: '03 4.8 vortec
Transmission: 4l60e
Axle/Gears: 3.42
Re: D Port LS swap headers

Originally Posted by QwkTrip
Nevermind the exhaust port shape. The round headers are what you want, and use LS1 style header gaskets.

For what it is worth, all LS1 engines are aluminum. You have a Vortec truck engine with a head swap. Should run good!
Yes you are correct. Im taking a 5.3 and boring it to ls1 specs.

By using a different style port it wont cause any leaks?
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Old Feb 18, 2019 | 06:36 PM
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Re: D Port LS swap headers

No leaks. 243 heads were actually on Camaro SS in the last couple years. You definitely want the LS1 round port headers.
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Old Feb 18, 2019 | 07:04 PM
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86iroc504's Avatar
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From: Nawlins
Car: 86 Camaro
Engine: '03 4.8 vortec
Transmission: 4l60e
Axle/Gears: 3.42
Re: D Port LS swap headers

Originally Posted by QwkTrip
No leaks. 243 heads were actually on Camaro SS in the last couple years. You definitely want the LS1 round port headers.
Ok thanks
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