2.2 to 2.5

[TurboTurismo]

Ok any help on this would be great.Talking about swapping out a 90 tbi 2.2 to a 2.5 tbi.....is it possible and what changes would I have to make? what parts would I have to change?..the pump in the tank?....sbec comp?.that kinda stuff .Is the 2.5 peppier for a lbody?

Thanks

Robb

[89acclaim]

Swapping in a manual would be more bang for your time/cash. The 2.5 would be more peppier in the lower revs. Though the 2.2 might be "fun" with a 523 and a 3.77fd. You wouldn't need to swap the pump just the ecu. You could use a tall block 2.5, but any would do. While you are swapping the engine you might as well pull the head and mill it to bump up the CR a little. 2.2dodge/allmotor knows a lot about doing na stuff so you will want to look into his past posts for some info.

Daniel Merrill

[22dodge]

just do it. absolutely nothing has to be changed to make it work. i put in a 2.5 into a lancer that had a 2.2 for my father. I noticed more torque even used the 2.2 computer and ran that car for 3 years until it was totaled by a drunk driver that put my dad into the hospital with a fractured sternum.

[TurboTurismo]

Sorry about your dad.....Thanks for the reply....I definatley want a little more get up and go ......Some other forums I have been on say the sbec should be changed for some reason tho.....any reason that you know of?

Thanks again

[Egodriver71]

I did the same thing in a SL with a turbo. The 2.5L was so much nicer to drive around town.

I used the stock 2.2L computer with zero drivability issues even though some of the gurus told me that I would never be able to do it.

Tom

[TurboTurismo]

sweetass..........Thats what I am gonna do aswell......

Thanks guys

[william]

Your computer will be running a bit leaner with the 2.5, but it will likely be fine. I have run my 2.2 TBI shadow on 2.2 and 2.5 computers and it ran about the same on either. I have a 2.5 SBEC if you want it. I swapped a 2.2 in and the 2.5 that came in the car out, as I don't like the 2.5. I was tired of listening to it knock and rattle. The 2.2 is much quieter, smoother (even without balance shafts) and nets me an extra 1-2 mpg.

[TurboTurismo]

Hmm.....I was told that the 2.5 ran smoother and quieter....do you think it is worth even doing for a small increase in power?

[william]

All things equal, the 2.5 probably is quieter and smoother, but the only ones I have had were noisy and frightfully raucous when revved to redline. I expect the added torque of the 2.5 might be worth the effort, especially in a heavier car. I just have never been bitten by the 2.5 bug.