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09-05-2012, 04:32 PM | #1 |
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Big block question...
I have a 68 c10 and was wondering what the best route would be to go for a 454 BBC? Also what do Ineed to do to the cab to make it fit and what transmission would be best to go with a motor with that kind of power?
Thank you for any help! Posted via Mobile Device |
09-05-2012, 05:15 PM | #2 |
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Re: Big block question...
You will need bbc motor mounts. I did a swap years ago and that was the only thing i needed, since these trucks came with big blocks its a pretty easy swap. You will need to check your pulley, fan, radiator and exhaust manifolds for clearance.
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09-05-2012, 05:18 PM | #3 |
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Re: Big block question...
My 68. 408ci, 84 Kmember swap with custom fabbed frame mounts.
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Chad 1967 C10 SWB - Project Savannah - 6.0/4L80 *Currently underway* 1968 C10 SWB - TOTY 2018, 50th Anniversary Tribute Project * Sold * Pride and Joy 1986 Silverado Short Fleet - Scarlet *Sold* 1985 Silverado Short Fleet *Sold* 2022 Jeep Gladiator Mojave 2001 Jeep Cherokee XJ 4x4 - Lifted, Built 1992 Jeep Cherokee XJ 4x4 - Lifted 2013 Honda Accord EX-L v6 Coupe 6spd (wife's ride) |
09-30-2012, 02:28 PM | #4 |
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Re: Big block question...
Hi. Where did you get the ac hole cover? Thanks Clayton
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09-05-2012, 05:37 PM | #5 |
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Re: Big block question...
Thank you! Do I just need a high hump for the cab and trans will be ok? I want to make sure I have everything done I need to before I paint anything! I'm new to all this but this site has been great!
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09-05-2012, 06:20 PM | #6 |
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Re: Big block question...
A low hump will work fine as well as a high hump. I put a 454 in mine when I was 14 yrs old and my dad was out of town. All I needed was motor mounts. Everything fits fine to me. I have my BB bolted to a turbo 400 and that gets me down the road very quickly.
The only thing I'm having trouble with, is finding a fan shroud that will fit. I tried to mock one up so it will clear my belts and alternator, but with all the sections cut on it, it really didn't work as a fan shroud anymore lol. Your set up may be different than mine and others, but don't let anything scare you. The main thing you need is motor mounts. |
09-05-2012, 06:43 PM | #7 |
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Re: Big block question...
Mine is a low hump, th400. The mounts have been moved back 1/2in or so to help with nose weight / transfer. Done by the previous owner.
Welcome to the forum by the way. If you need help with your driveshaft let me know. Posted via Mobile Device
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Chad 1967 C10 SWB - Project Savannah - 6.0/4L80 *Currently underway* 1968 C10 SWB - TOTY 2018, 50th Anniversary Tribute Project * Sold * Pride and Joy 1986 Silverado Short Fleet - Scarlet *Sold* 1985 Silverado Short Fleet *Sold* 2022 Jeep Gladiator Mojave 2001 Jeep Cherokee XJ 4x4 - Lifted, Built 1992 Jeep Cherokee XJ 4x4 - Lifted 2013 Honda Accord EX-L v6 Coupe 6spd (wife's ride) |
09-05-2012, 07:36 PM | #8 |
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Re: Big block question...
Hmmm... I thought TH400 trucks got the high hump?
I think the biggest challenge of putting a big block in a truck that used to be a small block is all the brackets, pulleys, and accessory stuff (mounts, fuel lines, etc). It's a lot easier (or at least cheaper) if you don't require that it look original.
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09-05-2012, 08:19 PM | #9 | |
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Re: Big block question...
Quote:
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09-06-2012, 12:48 AM | #10 | |
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Re: Big block question...
Quote:
I think I have finally tracked down all of the parts to swap a 454/ 700r4 for the 250 cyl and 3 ott. 72 bbc Motor mounts/ stands 68-71 bbc pulleys 68-72 BBC fan shroud 68-72 4 row radiator 68-72 bbc engine wiring harness 68-71 BBC ps and alt brackets 68-71 oil pressure gauge feed line Posted via Mobile Device |
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09-05-2012, 07:41 PM | #11 |
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Re: Big block question...
Mine is an original 6cyl, 3ott
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Chad 1967 C10 SWB - Project Savannah - 6.0/4L80 *Currently underway* 1968 C10 SWB - TOTY 2018, 50th Anniversary Tribute Project * Sold * Pride and Joy 1986 Silverado Short Fleet - Scarlet *Sold* 1985 Silverado Short Fleet *Sold* 2022 Jeep Gladiator Mojave 2001 Jeep Cherokee XJ 4x4 - Lifted, Built 1992 Jeep Cherokee XJ 4x4 - Lifted 2013 Honda Accord EX-L v6 Coupe 6spd (wife's ride) |
09-05-2012, 09:02 PM | #12 |
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Re: Big block question...
Kwik Performance brackets and a SBC serpentine system is a great way to go with your brackets. Have all the reliability of serpentine without the big bucks. Here is mine (on a tall deck nonetheless) and the whole thing cost about 200 bucks including the accessories. Have to powdercoat all mine yet but you get the picture..
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09-06-2012, 12:44 AM | #13 | |
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Re: Big block question...
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09-30-2012, 02:22 PM | #14 |
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Re: Big block question...
I just picked up a68 custom camper CST,the pervious owner swapped the 327 for a big block. The picture in post 10 has huge clearance compared to mine , I will post a pic latter,mine is super tight but lots of clearance to the firewall. I'll have to start tearing it down to see what they did .
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10-02-2012, 08:28 PM | #15 |
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Re: Big block question...
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