N-14->ISX Swap?

Alan50 · May 6, 2026 at 1:50 PM

What’s goin on yall! I had this dirty nasty little thing blow a rod through my block.

2001-379 Peterbilt
Has anyone ever done this swap before?!
what all would you need and is it even worth doing this? I personally don’t want to I prefer that little red number she came with. I just can’t find a decent one that somebody isn’t smoking d*ck with the price. If anyone is close or in Kansas I’d be interested in having a chat.

Cdemars316 · May 6, 2026 at 10:40 PM

I wouldn't put the red devil in anything, especially one with an n14 in it already.

Arctic_fox · May 7, 2026 at 7:27 AM

Cdemars316 said: ↑

I wouldn't put the red devil in anything, especially one with an n14 in it already.
Click to expand...

The thing with the ISX is you either get one thats amazing and that is maintained good from day one. Or you get one that is garbage. And while there is a grey area there with ones that run hard and heavy all the time being vastly more likely to be good. Its an all or nothing.

That said. They are still better then paccrap motors. But if you have an N14 on a pre 03 truck id put a detroit or cat in over an ISX. Both are vastly better motors then the N14 and wont cost much more to swap in then the ISX. Likely less.

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N-14->ISX Swap?

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N-14->ISX Swap?

Alan50 Bobtail Member

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