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ls1 in 68 c-10 pickup

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Old Mar 18, 2007 | 08:58 PM
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From: ogden
Question ls1 in 68 c-10 pickup

anyone put a ls1 motor in 68 c-10 pick up if so what did you have to do to get it in there.Was it hard and how much did it cost
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Old Mar 19, 2007 | 06:06 PM
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https://ls1tech.com/forums/conversions-swaps/412057-my-68-ls1-shortstep.html
https://ls1tech.com/forums/conversions-swaps/309481-68-c10.html
https://ls1tech.com/forums/conversions-swaps/370781-my-ls1-t56-swap-into-68-chevy-c-10-stepside.html
are a few i know about...not to hard, to make it fit.....costs about 2x's your budget.
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Old Mar 21, 2007 | 11:07 PM
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I put a 6.0 4l80e still in process.
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Old Mar 21, 2007 | 11:08 PM
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http://s60.photobucket.com/albums/h36/oscareltemblo/ password is 1968 and https://ls1tech.com/forums/conversions-swaps/479117-6-0-lq9-into-68-sbrc.html
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Old Mar 22, 2007 | 06:16 PM
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Originally Posted by 1great68
anyone put a ls1 motor in 68 c-10 pick up if so what did you have to do to get it in there.Was it hard and how much did it cost
I recently put a 5.3 in my 66 and it was pretty easy. As long as you are not scared of a little wiring. If you really want to make it easy go to www.brotherstrucks.com and order the 63-72 GEN III motor mount kit. All you have to do is bolt them up to your small block frame and crossmember holes and drill 1 bolt hole on each side of the crossmember. This kit runs around $250.00 but is worth every cent because it takes out all of the the guess work. Another issue you will have to deal with is fabricating a gas tank and getting it in the rear frame rails. Do yoursef a favor and have the tank fabricated to use the stock GM fuel pump. It will save you a ton of money over a high psi aftermarket one and be a better quality too. You will also want to find a 98 or up LS1 camaro or firebird radiator and electric fan setup it fits perfectly. There are many sources out there that can modify a factory wiring harness or make you a new one for $250-$500 bucks. You will also have to send the PCM out to turn off the anti -theft ( it wont run if you dont do this) and do any custom programming you might want. This is another $150-300 depending on who does it. If you go LS1 you should expect to spend $4-6k and have a higher mile drive train. That is why I went with the vortec I found an L33 option all aluminum 5.3 310HP 335 FPTQ with 12k and a 4L60E with 2K (the tranny on the motor was a 4x4 version and had the wrong output shaft.), all of the wiring harness, fuel pump, and pcm for $2,500 bucks. I had around $4,000 in the project but I offset it when I sold my 350/350 for $1500. Go for it man you can do it!!!

Last edited by 66 chevy truck man; Mar 22, 2007 at 06:21 PM.
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Old Mar 22, 2007 | 09:06 PM
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I'm going to disagree with a few of the thoughts above, especially the radiator. It's not as 'perfect' as a fit as it could be, and the stock '67-'72 radiator is more than sufficient. The F-body fan shroud and fans are worth getting if they're cheap, though. It's not hard to make some very simple brackets that hold it up perfectly.
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Old Mar 22, 2007 | 09:46 PM
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I've done two. One in a 69 1/2 ton and one in a 67 3/4 ton. First one is a LS1, second a 5.3 with a 1992 five speed truck trans behind it.
I use a carter P5000 fuel pump and get a sending unit for the stock tank from a 71 or 72 that has the return line in it, and run the return line through the bottom of the cab beside the original suction line. I get a cable actuated throttle linkage from the same year trucks, mount it and drill a hole for the cable. I fab the 1/4inch steel adapter plates myself and use your factory 68 engine mounts. Any chevy bolt pattern trans will bolt up. You will need a special flywheel and pilot bushing if you want to run an old style 3,4,5 speed trans. I use the stock rad. With the 5.3 out of a truck, that fan works great. With the LS1 i used the stock fans. I use the stock harness and modify it myself, and I use HPTuners to program out the VATS and modify any other parameters. I use an adapter to connect the new style power steering pump to the old style hoses. Well worth the swap in the end.
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Old Mar 22, 2007 | 09:59 PM
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Originally Posted by IOwnCalculus
I'm going to disagree with a few of the thoughts above, especially the radiator. It's not as 'perfect' as a fit as it could be, and the stock '67-'72 radiator is more than sufficient. The F-body fan shroud and fans are worth getting if they're cheap, though. It's not hard to make some very simple brackets that hold it up perfectly.
The 66 model has a much shorter front end than the 67-72 and doesnt allow clearence for the stock radiator when using the early classic motor mount kit. Furthermore the camaro radiator is aluminum with a dual fan setup that will provide much more efficiant cooling . The camaro radiator and electric fan setup is cheaper than buying a good set of fans for the stock radiator if you shop around for a good used setup. Little things like this can be the difference between spending 4k and 8k. It can also be the difference in getting it done in 3 weeks or a year. You will hundred dollar yourself to death if you dont find creative ways to stay on budget.
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Old Mar 23, 2007 | 02:58 PM
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Yeah, but he's putting it in a '68 C10 - the factory radiator works fine for the LS1, and unless the old one was totally trashed, he's probably got one. The Camaro fan shroud / fans works fine on the '67-'72 radiator.
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