what's the largest V8 that you think will fit in the engine bay of an 89YJ? My brother just gave me a 454 and seems like something crazy to do so looking at the options.
thanks
Mark
thanks
Mark
Big Block in 89 YJ
- Thread starter campbellmc73
- Start date
I suspect it will fit but you'll need hugger headers.
If it was me I'd put a 350 in there with a Holley Sniper EFI setup.
If it was me I'd put a 350 in there with a Holley Sniper EFI setup.
Yeah, hard to beat free.
I'm pretty certain it will fit, it's just going to be a very tight fit.
Will it fit? Probably. It will be very, very tight. You'll likely run into clearance issues with your accessories (A/C components, power steering pump, alternator, etc.) steering components, exhaust, firewall, etc. The engine is longer, wider, and heavier compared to a SBC. Keep in mind that there is less aftermarket support on things such as headers, engine mounts, adapters, and such for BBC's into a YJ as well. You may be able to get off the shelf parts, such as our engine mounts, and modify them to work for the BBC rather than fab your own. We don't currently offer any mounts for that swap. Of course, if you're an experienced fab guy you've got it no problem.
It's been done before, so the short answer is yes it can. It's up to you to decide if the free engine is worth the additional time, labor, and potential costs.
Best of luck whichever way you decide to go! Feel free to reach out with questions and we will help where we can.
-Dustin
It's been done before, so the short answer is yes it can. It's up to you to decide if the free engine is worth the additional time, labor, and potential costs.
Best of luck whichever way you decide to go! Feel free to reach out with questions and we will help where we can.
-Dustin