what is the biggest engine it can fit in?

Asked by Aug 08, 2016 at 07:44 PM about the 2003 Ford F-150 SVT Lightning 2 Dr Supercharged Standard Cab Stepside SB

Question type: Car Customization

Because i wanna see if i buy it to get a
bigger engine than a 5.4

6 Answers


Are you looking for speed or raw pulling power? Even if you can do it, remember that the larger engine will make access to everything much harder.. What's wrong with the existing 5.4 Liter engine?

1 of 1 people found this helpful.

Nothing. I have 148k on my 2001 lighting. If I upgrade to a bigger supercharger can engine and transmission handle it.

Can you help me?


You probably could build the existing 5.4 to take more boost which could give you a lot of power. Here is a build that can take 18 pounds of boost. https://www.promarengine.com/whats- new/2014/03/05/ford-5-4-lightning-performance-engines/


1,000 hp engine build ------ http://www.mustangandfords.com/how- to/engine/mmfp-0710-ford-motor-build/


You can speed up the supercharger by changing the pulley out but do your home work and proceed at your own risk ---- https://lmr.com/products/Ford-Lightning-Supercharger-Pulley

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