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ENGINE SWAP


 
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Phil H
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Joined: 23 Jun 2007
Posts: 277


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PostPosted: Tue Jun 04, 2019 9:00 am    Post subject: ENGINE SWAP Reply to specific post Reply with quote

I have a 66 chev C20 bought brand new in Nov. 65. It has the original 283 V8 and it has just a little of 100k on it. Would like to replace it with a 454, for more power pulling a trailer, but not sure if it will bolt up to my 283 bell housing, and if motor mounts are close, probably not. Maybe if the bell housing from the 454 would bolt up to my original 4sp. trans. Called wrecking yard and got different answers. Anyone know who would know if this swap would work? Thanks, Phil
 
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Destroked 450
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Joined: 31 Mar 2016
Posts: 5807
Location: Harned, Ky.

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PostPosted: Tue Jun 04, 2019 1:42 pm    Post subject: Re: ENGINE SWAP Reply to specific post Reply with quote


All Chevy V8 bell housings have the same bolt pattern from 1955-1999, not sure about the newer LS engines.

Not sure about the motor mounts but the frame mounts are the same.
 
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Phil H
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PostPosted: Wed Jun 05, 2019 5:08 am    Post subject: Re: ENGINE SWAP Reply to specific post Reply with quote

So what you are saying is the bell housing from my
283 engine would bolt right up to the 454 engine.
If that is the case then my 4spd. and everything
would be a direct swap. I wonder if the extra
length and height would have enough clearance for
the frame cross member as well. There is quite a
bit of room under the harmonic balancer and the
front frame cross member now. Thanks!
 
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ArleninOr
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Joined: 04 Jan 2008
Posts: 2478


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PostPosted: Sun Jun 16, 2019 10:26 am    Post subject: Re: ENGINE SWAP Reply to specific post Reply with quote

Phil, call me at five-o- three, 91nine, 00two four. Have some trick to this.
 
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8NChris
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Joined: 14 Sep 2019
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PostPosted: Wed Sep 18, 2019 6:13 am    Post subject: Re: ENGINE SWAP Reply to specific post Reply with quote

ArleninOr has a good answer. It seems there is a difference in the starter nose between early small blocks and latter engines that shimming doesn't fix. Could be the flywheel tooth count or diameter.
 
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Raptor44
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Joined: 07 Nov 2015
Posts: 179
Location: Marlboro, New York

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PostPosted: Thu Jul 23, 2020 1:18 pm    Post subject: Re: ENGINE SWAP Reply to specific post Reply with quote

I would check flywheel diameter and clutch size requirements. You can always find the right Bell housing. Transmission should bolt to any housing.
 
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Hdonly
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Joined: 04 Aug 2017
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PostPosted: Mon Nov 16, 2020 5:22 pm    Post subject: Re: ENGINE SWAP Reply to specific post Reply with quote

The 454 will use a 168 tooth flywheel. The 283 uses a 153 tooth flywheel. Need the correct starter to match the flywheel.
 
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