Aussiecrewcab
Newbie
Hi everyone,
I have searched at length but have not quite found what I’m after, but apologies if discussed and I can’t find it.
Currently have a 99’ 6.5 4L80e crew cab dually but under load the 6.5 is overheating etc. I don’t want to go down the path of replacing it with another 6.5, and due to lack of knowledgeable guys out here with Cummins / duramax swaps I’m looking to do a 496bbc swap but plan on running Holley terminator X max EFI.
My questions are as follows…
1. I want to maintain cruise control, so would I be best to use a factory 454 cruise unit which is cable driven. Or is there another way I should be doing it.
2. Do I need to change the dash harness to a factory gas / 454 harness to suit gas cluster ? Or just change over the cluster.
3. I plan on running Holley Terminator X max as it gives ability to control the 4L80e. Has anyone had experience with similar ?
Obviously I have to change fuel supply system, but as far as I’m aware the tanks are the same, just need to change sending units etc.
Please advise where else I’m missing / any other advice.
I have searched at length but have not quite found what I’m after, but apologies if discussed and I can’t find it.
Currently have a 99’ 6.5 4L80e crew cab dually but under load the 6.5 is overheating etc. I don’t want to go down the path of replacing it with another 6.5, and due to lack of knowledgeable guys out here with Cummins / duramax swaps I’m looking to do a 496bbc swap but plan on running Holley terminator X max EFI.
My questions are as follows…
1. I want to maintain cruise control, so would I be best to use a factory 454 cruise unit which is cable driven. Or is there another way I should be doing it.
2. Do I need to change the dash harness to a factory gas / 454 harness to suit gas cluster ? Or just change over the cluster.
3. I plan on running Holley Terminator X max as it gives ability to control the 4L80e. Has anyone had experience with similar ?
Obviously I have to change fuel supply system, but as far as I’m aware the tanks are the same, just need to change sending units etc.
Please advise where else I’m missing / any other advice.