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Old 08-07-2019, 08:42 AM   #1 (permalink)
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Engine Swap ? New to the Scout world

I just purchased a 1966 Scout800 currently with a 4cyl.

I have access it a 304 v8 does anyone know if this is a bolt in? will the motor mounts remain the same? Is the suspension beefy enough for the v8?
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Old 08-20-2019, 02:22 PM   #2 (permalink)
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Originally Posted by RKoerner View Post
I just purchased a 1966 Scout800 currently with a 4cyl.

I have access it a 304 v8 does anyone know if this is a bolt in? will the motor mounts remain the same? Is the suspension beefy enough for the v8?
I put a 345 into my 4 cylinder 800. It is defi nitely not a bolt on operation in any aspect. You cant use any of the 4 cylinder running gear except may a dana 44 rear axle which will end up getting re geared. I used all SII stuff that I traded for. If buying all used parts and rebuilding you can easily spend 3=5 grand. If you are nota weld and fab guy then this swap is not for you.

My build thread isover on binderplanet dot com. Search “Tip scout 800 build”

In the end I have a very capable off road rig that will do things that many cant. It was a lot of work, but being that it is my hobby I enjoyed it all.
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Old 09-15-2019, 06:24 PM   #3 (permalink)
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The 4cy engines are literally half of the v8 (152 is half 304 with a blocking plate instead of a head on one side) but they are clocked in such a way that they can be pushed back closer to the firewall. In '66 the 800 wasn't offered with a v8 option so the cross member and front bulkhead are positioned too far back to accommodate one. Later model 800's did have an optional v8 so the cross member and bulkhead are moved forward. In short it will not be bolt in for your '66. You will have to cut and move the cross member, front bulkhead and motor mounts. You will need the 304 and the bellhousing it came with as the 4cy bellhousing wont work. I can't recall if the transmission will work on not, have to check the input shaft length due to the 4cy bellhousing. As far as I know the T18 or T19 can live behind the v8, think it was still used when v8's became an option. Tcase should be ok. Drivelines will need to be replaced or modified. Axels will be marginal, particularly if you have a heavy right foot. Suspension should be ok as I don't think they changed it when they added the v8 options.
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Last edited by Pascoscout; 09-15-2019 at 06:25 PM.
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Old 09-17-2019, 09:45 AM   #4 (permalink)
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Originally Posted by RKoerner View Post
I just purchased a 1966 Scout800 currently with a 4cyl.

I have access it a 304 v8 does anyone know if this is a bolt in? will the motor mounts remain the same? Is the suspension beefy enough for the v8?
Better off selling and buying an 800 with a v8 if an SV is what you want. Swapping a v8 SV in place of a 152/196 is as much work as swapping in anything else (350,LS, etc.)
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Old 09-18-2019, 08:49 AM   #5 (permalink)
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Better off selling and buying an 800 with a v8 if an SV is what you want. Swapping a v8 SV in place of a 152/196 is as much work as swapping in anything else (350,LS, etc.)
This....^^^ You will be time and or money ahead if you are dead-set on an IH mill. If not dead-set on an IH mill...then start cutting away and get to work fitting in whatever you want.
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