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146 Posts
Hi all, I've read through pretty much all the posts on what people are doing for engine swaps for more HP/TQ and I just wanted to get some opinions and experiences. My 4.2 is running sweet as a nut right now, so I'm in no rush, but I'd like to eventually get a lot more power in her someday, so I'm researching.
It sounds like the Chevy 350 is a decent choice for NAS models because of the readily available performance parts domestically (US). So that's interesting to me. Either way, with a significant enough increase in power it sounds like it would be wise to beef up any load-bearing powertrain components. I like the idea of building a motor myself in the garage, but having never done it before I know it's a bad idea ;-)
Also the Eaton supercharger kit is interesting to me because it can be used on my existing 4.2 - theoretically meaning a simpler install / less adapting. But the 4.6 is looking pretty sweet right now too.
While having readily available parts is important to me, I'm interested in opinions about reliability of the different motor options. Which would you say - all things being equal - is the most reliable motor between the LR 4.2, 4.6, Isuzu 3's, Chevy 350 / LS, etc?
I'm hoping to find a decent balance of performance increase, reliability and domestically available parts. I'd expect to spend between $10-20k paying someone to do it for me.
Any info and discussion very welcomed!
It sounds like the Chevy 350 is a decent choice for NAS models because of the readily available performance parts domestically (US). So that's interesting to me. Either way, with a significant enough increase in power it sounds like it would be wise to beef up any load-bearing powertrain components. I like the idea of building a motor myself in the garage, but having never done it before I know it's a bad idea ;-)
Also the Eaton supercharger kit is interesting to me because it can be used on my existing 4.2 - theoretically meaning a simpler install / less adapting. But the 4.6 is looking pretty sweet right now too.
While having readily available parts is important to me, I'm interested in opinions about reliability of the different motor options. Which would you say - all things being equal - is the most reliable motor between the LR 4.2, 4.6, Isuzu 3's, Chevy 350 / LS, etc?
I'm hoping to find a decent balance of performance increase, reliability and domestically available parts. I'd expect to spend between $10-20k paying someone to do it for me.
Any info and discussion very welcomed!