- Apr 17, 2013
- 63
What years are interchangeable on the I6 4.2 engine? Was there a changeover sometime to variable valve timing? I have an 05 and may need a new engine.
What years are interchangeable on the I6 4.2 engine?
- Thread starter Gearheadvr4
- Start date
Tiggerr
Member
Mooseman
Moderator
- Apr 17, 2013
- 63
I did notice a lot of small differences on the 08 I saw. The coil packs are different.
Are there modifications you can do to make an 08 work on an 05 truck?
Are there modifications you can do to make an 08 work on an 05 truck?
Blckshdw
Moderator
PCM will be different, so unless you're up for deciphering wiring schematics, and rewiring harnesses...
Tiggerr
Member
It'd be a pita to do but you could. If I was going to do that, I'd swap harness and all. In 08 I think they changed the crank trigger setup too.dont think you can adapt older PCM to it. It was 08 or 09 they did that. Easiest way would be to use the pre 06.
There's another thread or two on this floating around.
There's another thread or two on this floating around.
Mooseman
Moderator
There was a change I believe on 05 or 06 where the crank sensor reluctor wheel changed with additional teeth. I think unless you swap all the electronics, it's not an easy task.
Tiggerr
Member
It went to a 58x reluctor iirc but I thought that was 08. 06 was MAF and the 1st head/exhaust redesign. They separated the trans controller out of PCM too. Separate ECM/TCM after 06.Mooseman said:
Maybe limequat will check in. He'd know for sure. Think i saw him post about it in another thread like this.
Either way, if you want to go with the newer engines. Best to get a drop out complete with harness. Swap the whole engine harness. Call it a day.