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400 to 454 swap
@fast they make a painless harness that should have all the connectors ready to install- alek310
- Post #10
- Forum: Tech Discussion
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400 to 454 swap
It’s the original and I want to update it just becuase it’s a rolling chassis and some wires look fraied- alek310
- Post #6
- Forum: Tech Discussion
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400 to 454 swap
If I purchase a fan shroud made for a 454 will that work? I’m also purchasing a painless harness.- alek310
- Post #3
- Forum: Tech Discussion
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400 to 454 swap
Hi all! Just bought a 1977 k20 has no engine I decoded the vin and it says that a 400 small block was the original engine. My question is will the harness fit the 454? Also should I be concerned affecting the other drivetrain components such as transfer case, rear diff? I already ordered my...- alek310
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- Replies: 13
- Forum: Tech Discussion
