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Cutting straight to the point. I acquired a 92 Buick Roadmaster Limited and a LS 5.3L block for $700. The RM had no engine in it but has the TBI setup in the passenger seat. I was wondering how hard it would be to build the LS engine and drop it in the RM. What steps would I need to take? I was in BuickForums.Com the told me I could probably get more information about the swap here.
go further down the forum to the "conversions ,swaps , and hybrids " section there are so many builds there and daily activity it is mind boggling. for that matter search roadmaster in that section and I am sure you will come up with many LS roadmaster builds...
I found a couple of LS swapped Roadmasters on YouTube that seem to use the bracket from a 2000-ish Silverado, which places the alternator up high on top of the engine. Great, except I suspect they're also running truck crank pulleys, water pump etc, and I don't want to get involved in that.
I'd really like to know what bracket they used here. The PS pump is up high, with the alternator below. They either changed the ABS module, or it's different to my car. Regardless, it looks like this setup would work with my situation.
Looking back at my motor again, it almost looks like I could drill and tap bolt holes for the PS pump directly into the end face of the head (if only I knew I wasn't going to run right into a cooling galley).
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92' Roadmaster + LS Engine = ?? 
