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#1 |
Registered User
Join Date: Jun 2013
Location: blue island, illinois
Posts: 2
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454 in a 64 fleetside
I just recently bought a 64 C10 and I'm planning on replacing the old 283 with a 454 and a th400 that I have. If you guys can guide me with some feedback on how to do this swap I will be very thankful.
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#2 |
Senior Enthusiast
Join Date: Feb 2007
Location: Spokane Valley, WA
Posts: 8,356
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Re: 454 in a 64 fleetside
Welcome to the forum. We have a bunch of big block guys on here that can help with your questions. Good luck on your project.
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#3 |
Registered User
Join Date: Feb 2011
Location: Williams, CA
Posts: 760
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Re: 454 in a 64 fleetside
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Jeff 96 C3500 Crew Cab Long bed (Waiting on Cool Name) 64 C-10 shortie stepside, "Ole Brownie" C-10 Club My achingly slow build: http://67-72chevytrucks.com/vboard/s...d.php?t=508345 |
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#4 |
Registered User
Join Date: Apr 2012
Location: Las Vegas, NV
Posts: 80
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Re: 454 in a 64 fleetside
Welcome to the forum!
I just got done putting a 454 into my 65 a couple weeks ago. ![]() Is the truck an automatic already? That will make it much easier, otherwise you have to remove the old bellhousing crossmember. The two places where the motor was too tight are highlighted in this pic. If you are going to move the motor forward a few inches, you shouldn't have any problems at all.
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65 C20 Fleetside longbed, 350, turbo 400, 8-lug disc brakes, power steering, air conditioning - Totaled by a guy running a red light. Pulling parts off the carcass for my next truck |
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#5 |
Registered User
Join Date: Nov 2011
Location: fayetteville nc
Posts: 10,338
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Re: 454 in a 64 fleetside
billd5string...did you have to trim the frame rails for header clearance?
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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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#6 |
Registered User
![]() Join Date: May 2012
Location: Semmes,Al.
Posts: 407
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Re: 454 in a 64 fleetside
Look at the thread below "notched firewall" to see what some have done to clear the valve covers.
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#7 |
Registered User
Join Date: Apr 2012
Location: Las Vegas, NV
Posts: 80
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Re: 454 in a 64 fleetside
Not at all - I suspect I just got lucky. I used some headers from Summit for a 75 C20 because that's what my motor and front suspension came off of, but I ended up using the 65 motor mount anyway. I did have to significantly modify the drivers side motor mount for header clearance, but not the frame at all.
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65 C20 Fleetside longbed, 350, turbo 400, 8-lug disc brakes, power steering, air conditioning - Totaled by a guy running a red light. Pulling parts off the carcass for my next truck |
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#8 |
Senior Member
![]() Join Date: Aug 2008
Location: Long Beach, CA
Posts: 1,813
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Re: 454 in a 64 fleetside
When I put a 402 in the 64 2wd I used big block mount brackets from a 71-72. These moved the powertrain about 3" forward. I did trim about a 1/2" strip from the upper frame flange to mount the brackets and clear the stock manifolds. Plenty of room at the firewall but did put weight further forward over the front wheels.
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Jason M. @argonaut62 1972 K5 Blazer CST, Turquoise 1966 K20 Short Fleet Pickup, Big Ugly 1964 C10 Short Fleet, Gertrude 2001 Porsche 911 Carrera 1996 Ford Bronco XLT 1980 Jeep Wagoneer 2008 Honda CBR1000RR 2005 Honda RC51 1981 Honda CB750C No dis-assemble Johnny Five! No dis-assemble! |
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#9 |
Registered User
Join Date: Jun 2013
Location: blue island, illinois
Posts: 2
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Re: 454 in a 64 fleetside
Thank you for your input. How about the steering column. Do I need to make any modifications to fit the heathers?
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#10 |
Registered User
![]() Join Date: Mar 2005
Location: apple valley, ca
Posts: 2,670
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Re: 454 in a 64 fleetside
Big blocks look so cool under the hood of a 60-66. I was so close to doing it, but I went small block because my 454 out of the donor was too worn out and it needed to be gone through. The small block was fresh and ready to go.
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Check out my latest endeavor: https://roundsixpod.com My build threads: '55 Chevy: http://67-72chevytrucks.com/vboard/s...d.php?t=247512 '64 C-20: http://67-72chevytrucks.com/vboard/s...d.php?t=446527 |
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#11 |
Registered User
Join Date: Feb 2011
Location: Williams, CA
Posts: 760
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Re: 454 in a 64 fleetside
Chevyrestoguy,
No one can blame you for that. I like to tell people "I've got a big block! Yeah, it's in the back!" There's a bare block, crank, heads, 3 big coffee cans of bolts, etc back there! Small block swaps are not bad, it's a little, only a little more challenging stuffing a rat motor in there. I'm not too keen on moving the engine forward 3", I guess I'll have to notch the firewall...
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Jeff 96 C3500 Crew Cab Long bed (Waiting on Cool Name) 64 C-10 shortie stepside, "Ole Brownie" C-10 Club My achingly slow build: http://67-72chevytrucks.com/vboard/s...d.php?t=508345 |
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#12 |
Registered User
![]() ![]() Join Date: Apr 2012
Location: Wisconsin
Posts: 3,327
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Re: 454 in a 64 fleetside
I used the 68-72 BB Frame mounts on this one, didn't notch the firewall at all, if the mounts were forward it wasn't more than a half inch.
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#13 |
Registered User
Join Date: Apr 2012
Location: Las Vegas, NV
Posts: 80
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Re: 454 in a 64 fleetside
No modification needed. The steering column is on the other side of the frame, so unless you are planning on running fenderwell headers, there won't be any problem there.
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65 C20 Fleetside longbed, 350, turbo 400, 8-lug disc brakes, power steering, air conditioning - Totaled by a guy running a red light. Pulling parts off the carcass for my next truck |
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