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Old 10-07-2014, 09:48 PM   #1 (permalink)
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Default Engine swap Idea's

Ok, So I just bought a samurai at a decent price with an engine that i was told made top end noise because the Vacuum advance was messed up. After driving it and purchasing it I know that it was rod knock. either way she needs a new engine. I have a 1.3 on the way from Michigan currently cause I needed an engine ASAP to get me around town. However I was wondering how difficult it would be to toss a chevy 305 into her. I know I am beating a dead horse but, I do have a donor truck available that I purchased last night.
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Old 10-08-2014, 12:14 AM   #2 (permalink)
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Quote:
Originally Posted by digidoggie18 View Post
Ok, So I just bought a samurai at a decent price with an engine that i was told made top end noise because the Vacuum advance was messed up. After driving it and purchasing it I know that it was rod knock. either way she needs a new engine. I have a 1.3 on the way from Michigan currently cause I needed an engine ASAP to get me around town. However I was wondering how difficult it would be to toss a chevy 305 into her. I know I am beating a dead horse but, I do have a donor truck available that I purchased last night.
Any engine will fit any car if you have a good welder you will have enough room for the '305, but what about matching it to the trans? or will you go the whole way and fit a TH350 and a strange quickchange in the back end?

(now i'd pay to see that project when it was done)
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Old 10-08-2014, 12:53 AM   #3 (permalink)
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I know the 305 Wil fit. What I'm wondering about is just that. What other modifications will I need I dunno what is in my donor truck and whether it'd even fit properly but, since I have a donor I'm curious about what modifications I'd need fully.
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Old 10-08-2014, 11:23 AM   #4 (permalink)
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Whatever the trans is behind that 305, you will have to do a lot of trans tunnel and floorboard work on the Samurai to make it fit.
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Old 10-13-2014, 10:39 AM   #5 (permalink)
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You will have to re-design the entire rig. From the cooling system to the suspension and ALL parts in between.
It's not just the size of the engine, It's the added 600-1000 lbs of the finished project.
All for a, MAYBE 200 hp 305. ( Not one of GM's best engines)

There are much better swaps out there.....
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Old 10-13-2014, 11:18 AM   #6 (permalink)
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Ok. Honestly what would you suggest? I will be using it as a daily driver for the time being but also eventually on the trails in colorado as well in the mud and rocks. I'm hoping to get enough power and gearing to run maybe 38- 44 inch tires and not get so bogged down in th e mud or going up steep trails. I do realize I will need a redesign of the suspension etc. What would be the best approach?
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Old 10-14-2014, 08:46 AM   #7 (permalink)
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If you are thinking 38-40" tires , IMHO , you bought the wrong rig.
Think scale.
A Zuke with 150 hp and 35" tires is = to a full size bronco with 400hp on 40" tires.
Read these threads for a few good ideas:
Nissan z24 swap into Sami

The "Cheap" build
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Old 10-14-2014, 09:55 AM   #8 (permalink)
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Ok I was'nt thinking it was that big of a scale but that makes sense. 35's sound great as well. I'd like to be able to play with the big boys when I go out and not have to worry about getting stuck up in the mountains. The samurai will easily out do jeeps on the trails I've seen it time and time again which is what I'd like. I enjoy the mud bogging as well as the off road trails in Colorado that involved a little crawling. Thanks for putting it in perspective. My old toy was a 2002 Dakota that was lifted and played with the big boys. I was the one pulling out all the Broncos, jeeps, and Chevy trucks etc.. at least til she got totalled.
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Old 10-14-2014, 10:28 AM   #9 (permalink)
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If my goal were over 200hp for an offroad Samy I would probably go with the 2.3L Turbo Ford 4 cyl (think XR4TI, 80sTbird SC). Bigger and heavier than the Suzuki engine, would require a bit of conversion but can be tuned for stupid amounts of power for a 4 banger, VERY durable and non-interference, plus the cool factor of a nasty turbo.

Mine sits on 35" tires and thats pushing it, go much bigger than that and it goes from being functional to being a novelty item. The ground clearance is nice for when the big heavy wet snow flies.

If my engine popped tomorrow I would try and do this conversion Boxcar did with the Datsun engine, it just seems to make a lot of sense. If I could not find the Datsun engine I would have no grievances with another Sidekick 16v engine, I do like the EFI. Much more weight/size takes away from the charm and innate light weight advantage/balance the Samurai enjoys. I have a handful of friends with Jeeps with way more power and bigger tires than I, also far more $$ invested. Not to many of them care to play follow the leader with me in the hills. I found it much easier and cheaper to accept the lack of on-road performance and enjoy exceptional off-road performance, I can still do 75-80mph, it just takes a few extra moments to get there, and an absence of hills or headwinds.
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Old 10-14-2014, 10:53 AM   #10 (permalink)
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I'm Not necessarily looking for the 200hp. I'd just like to be able to get in the mud and have the power to get through deep deep mud and the torque to get through the mountains in Colorado. I have only had to regear once but I have always had a powerful engine behind every rig. I am not worried about highway performance either. I mainly just want to be able to tackle everything that Colorado can offer and then have my Sammy wanting to take more if you catch my drift. I was just afraid that the lack of power will not get me through some of the trails that even my old Dakota would, and my Dakota was a beast doing burnouts in 4 low before she was regeared
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