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I've been reading a few threads here with interest. My background involves swapping low-cost late model Generation 3 Chevy V8 truck engines into various foreign cars. I have done this with two RX-7s (sold), a MK3 Supra (sold), and a BMW 5 Series wagon (sold). I still have a 280Z project with an LT1 Trans Am engine & T56. If I am able to sell one of my other cars, a SQ is next on the list to buy. I'll do one of two things depending on how much I get for the car- get a complete car in good shape with working AC or a roller or one in need of engine repair that I can perform a swap upon.This brings me to the point of this thread. I've tried to find various specs for the several engines used here such as 1JZ, 4G63, etc. and not found much as far as length or width or sometimes weight. Ditto the engine bay for length & usable width. I'd also need the dimensions & weight for the stock G54B.If someone can point me to this info, I'll be glad to compile it here. Having found the cost for GM parts is usually very low due to mass production, one of the outside the box engines I'm looking at is the GM late model inline 5, which is a 3.7L that is rated 242 hp at 5600 rpm and 242 lb·ft at 4600 rpm. These are relatively expensive ($1,150 was the best price I found at a junkyard) as compared to the 4.2L inline 6 below.The other is the GM inline 6, which is a 4.2L that is rated 291 hp at 6000 rpm and torque to 277 lb·ft at 4800 rpm (2006+). These were in a bazillion GM trucks such as the Trailblazer and can be had cheap, like around $750 for a 2006 version or $400 for an older one.The inline 5 engine was mated to a 5 speed manual and a Chevy Colorado bellhousing can be used to adapt a manual such as the R154, but fitting that in the trans tunnel is another topic.One other low $ option may be the older GM 4.3L V6, which is basically 3/4 of a Chevy small block. They were rated at 200 HP and 250 foot pounds. With minimal boost or even basic hot rodding mods, I'd think they would produce great numbers.I read the L67 supercharged GM 3800 thread and that seemed like a lot of work, although it was a great read and project.I need to compile info on these engines to see if they would fit.Thanks for any help or advice. If I'm asking in the wrong section, let me know and I can edit the post and re-post it as needed.