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07-28-2016, 12:55 PM
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#1 |
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Registered User
Join Date: Apr 2016
Location: Dawson Creek, B.C.
Posts: 144
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Got a 348 for my 61
So I just got a 348 with a tri-power intake for my 61 step side and I'm just wondering if there's anything important I should know about these engines before I get started with the rebuild.If anyone knows of any good books or websites about these it would be a big help.
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Nick 1961 Apache short stepside 4X4 SBW 348/4 speed 1960 Apache C-20 long fleet custom cab BBW 283/4 Speed 1967 rust bucket Olds Cutlass with a 455 1972 GMC K-15 350/4 speed long fleet |
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07-28-2016, 01:01 PM
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#2 |
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Check The Champ, Demonstrator
 
Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: Got a 348 for my 61
I stuffed a 409 into my truck at one time and for clearance I had to nudge the firewall on the passenger side to be able to remove the valve cover. I used a hydraulic spreader.
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1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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07-28-2016, 01:03 PM
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#3 |
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Registered User
Join Date: Jul 2014
Location: Ft Whoopup, Ab
Posts: 317
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Re: Got a 348 for my 61
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07-28-2016, 06:06 PM
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#4 |
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Registered User
Join Date: Mar 2013
Location: Southern Oregon
Posts: 10,384
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Re: Got a 348 for my 61
I can't help with the subject, but I will say I hope you post up lots of pictures!
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1966 Chevy C10 "Project Two Tone" http://67-72chevytrucks.com/vboard/s...d.php?t=596643 1964 GMC "Crustine" semi-build:http://67-72chevytrucks.com/vboard/s...d.php?t=665056 My youtube channel. Username "Military Chevy": https://www.youtube.com/channel/UC_h...fzpcUXyK_5-uiw |
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07-29-2016, 10:17 AM
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#5 |
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Registered User
Join Date: Oct 2007
Location: Marietta, GA
Posts: 805
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Re: Got a 348 for my 61
Awesome! I would love to put a W motor in my 64. Congratulations!
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08-01-2016, 08:30 AM
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#6 |
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Registered User
Join Date: Nov 2011
Location: fayetteville nc
Posts: 10,338
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Re: Got a 348 for my 61
Thread on 348-409 powered trucks on this forum
http://67-72chevytrucks.com/vboard/s...d.php?t=630055
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1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual http://67-72chevytrucks.com/vboard/s...d.php?t=519869 1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide http://67-72chevytrucks.com/vboard/s...d.php?t=619024 1964 Short bed trailer |
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06-18-2021, 02:43 AM
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#7 |
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Registered User
Join Date: Apr 2016
Location: Dawson Creek, B.C.
Posts: 144
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Re: Got a 348 for my 61
Well I'm reviving this old thread because I finally got this engine set into this truck and there are some problems.
 The big one is that using the stock mounts for the bell housing/transmission I can't get the left cylinder head on. It hits the firewall before the rear dowel pin lines up. We are thinking about making a custom spacer set to move the engine forward but leave the bell where it belongs. This would be a 2 part set. One spacer for between the block and bell and one for between the crank and flywheel. What do you guys think?
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Nick 1961 Apache short stepside 4X4 SBW 348/4 speed 1960 Apache C-20 long fleet custom cab BBW 283/4 Speed 1967 rust bucket Olds Cutlass with a 455 1972 GMC K-15 350/4 speed long fleet |
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06-18-2021, 08:00 AM
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#8 |
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Post Whore
 
Join Date: May 2015
Location: Alabama
Posts: 14,670
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Re: Got a 348 for my 61
My 2 cents worth..
either modify firewall or move engine mounts forward Not saying spacers wont work, but it sure won't be ideal....how thick of spacer are you talking?
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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06-18-2021, 10:58 AM
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#9 |
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Moderator
Join Date: Dec 2012
Location: ON, Canada
Posts: 2,176
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Re: Got a 348 for my 61
Unbolt engine and trans from mounts, tilt, install head, tilt back and see what hits. Fix that, bolt it down.
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06-19-2021, 03:48 PM
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#10 | |
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Registered User
Join Date: Apr 2016
Location: Dawson Creek, B.C.
Posts: 144
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Re: Got a 348 for my 61
Quote:
I figured out that I can get both valve covers on. The right one is not easy but it does fit. As for the left head hitting the firewall, I forgot that I haven't got the new cab support bushings installed yet so we'll see what it looks like after I do that.
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Nick 1961 Apache short stepside 4X4 SBW 348/4 speed 1960 Apache C-20 long fleet custom cab BBW 283/4 Speed 1967 rust bucket Olds Cutlass with a 455 1972 GMC K-15 350/4 speed long fleet |
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