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Old Dec 17th, 14, 05:17 PM   #1 (permalink)
 
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81' Camaro Engine Swap

So I've got an 81' camaro and i want to swap engines. its only got a 229l v6 but i want to put a 454 in there. is it possible? and what all would have to be done. i would end up taking it somewhere to do it as i dont know very much about cars. im trying to figure out how much all of this would cost me taking it to a shop but i dont know what needs to be done
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Old Dec 18th, 14, 03:06 AM   #2 (permalink)
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Re: 81' Camaro Engine Swap

BBC frame mounts for the engine.
Remember, BBC was installed only in '70.5 & '71, I think,
so aftermarket may be a little slim.
Might consider a front motor plate.
Solid body mounts between the subframe and body.
Manual clutch Z-bar if used.
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Old Dec 18th, 14, 04:20 AM   #3 (permalink)
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Re: 81' Camaro Engine Swap

If you haven't already, checkout www.nastyz28.com, it is a forum focused on 2nd gens. Not a big deal putting a big block in a '81. I put one in my 73 which is almost identical (minor subframe differences).

I switched motor mounts and did a tranny crossmember swap (because I switched to a TH400 tranny, which is not a bad idea with a BB). You will also want to consider a smaller brake booster as you will have little to no valve cover clearance, depending upon your valve covers.

All things considered there is not a lot of cost (or difficult work) beyond the cost of the engine itself.

Phil
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Old Dec 18th, 14, 07:16 AM   #4 (permalink)
 
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So price wise this shouldn't be a big deal besides buying the engine and new transmission? I've got an engine and transmission priced out already. Do you guys know of any shops that do this work? I live in Colorado if that helps
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Old Dec 18th, 14, 07:49 AM   #5 (permalink)
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Re: 81' Camaro Engine Swap

How's your rear end? Sorry, too personal lol? Seriously though, you'll want to make sure your rear end is up to the BB torque also.
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Old Dec 18th, 14, 09:10 AM   #6 (permalink)
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Re: 81' Camaro Engine Swap

You should not have problems doing that swap. I would be curious what the smog laws are in Colorado with the swap?
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Old Dec 18th, 14, 09:24 AM   #7 (permalink)
 
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I'm not sure about the smog laws. I do know a couple people with 454's so I'm sure I can do it. And my camaro has a stock rear end and there's nothing wrong with it's would you recommend upgrading that as well?
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Old Dec 18th, 14, 09:32 AM   #8 (permalink)
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Re: 81' Camaro Engine Swap

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Originally Posted by GBudd View Post
I'm not sure about the smog laws. I do know a couple people with 454's so I'm sure I can do it. And my camaro has a stock rear end and there's nothing wrong with it's would you recommend upgrading that as well?
I doubt Colorado is anything like Cali for smog laws, but you never know. Worth a look before you spend the money and time. Personally, it wouldn't matter to me either way.
For the rear end, it depends on what your plans are. If it's a 6 banger car, you more than likely have a weak single track rear end that you'll break if you hammer on it at all.
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Old Dec 18th, 14, 10:35 AM   #9 (permalink)
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Re: 81' Camaro Engine Swap

Not critical but worth considering, as mentioned above, is "beefing" up the drive line behind the BB. I ended up going with a TH400, larger driveshaft yoke and I actually kept my 10 bolt rear posi, but welded the axle tubes to the center section (which is the weak point of a 10 bolt). Of course all of this could be overkill, depending upon your driving intent and tire choice.

Phil
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Old Dec 18th, 14, 12:31 PM   #10 (permalink)
 
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What kind of rear end should I be looking at? Is there a certain one that you guys have used? Again I am not very knowledgable with all of this.
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Old Dec 18th, 14, 12:33 PM   #11 (permalink)
 
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I also do plan on "showing it off" when I do the swap. Also what are the best kind of tires when I decide to do the swap?
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Old Dec 18th, 14, 12:46 PM   #12 (permalink)
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Re: 81' Camaro Engine Swap

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Originally Posted by GBudd View Post
I also do plan on "showing it off" when I do the swap. Also what are the best kind of tires when I decide to do the swap?
There's a lot of knowledge on this site, but when it comes to 2nd gen Camaros, you're going to want to do what 69TAPoser suggested. Hit up nastyz28 or one of the other 2nd gen sites. Rear ends aren't brain surgery to replace, but you'll want to grab the right one if you're going to do it. At least a posi 10 bolt of some kind. Again, it depends on your plans and what kind of hp the 454 you're going with has and how you're going to drive it.
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Old Dec 18th, 14, 01:03 PM   #13 (permalink)
 
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Ok I will go to the website for second gens. Thank you all for the help
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