Small Block & Big Block Chevy Specific Mouse & Rat Motor Discussion & Conversions

632 Big Block Chevy

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Old 02-22-2010, 09:52 PM
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Default 632 Big Block Chevy

i was wondering if this could fit into my 2002 camaro.
if not how much would it cost to widen the frame.
and if that would be a waste of money, which gen would it fit into best.
i would also like to put a turbo charger or two on it, but i dont know how well that would work. this is my first project car so any help with build/moding it would be greatly appreciated
Old 02-23-2010, 07:22 AM
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Good lord I hope you have deep pockets and access to a lot of tools.

I no first hand expirence with this but I'm guessing the frame will need to be altered a bit. I can't see headers fitting b/w the stock frame with this.

Your best bet is to put it into a 3rd or 1st gen. It would be really cool to see one in a 4th gen. I'm guessing it would have to be a full tube front end with a removable front clip though.

Good luck.
Old 02-23-2010, 09:47 PM
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.

The 632" uses the same block width all the other BBC conversions use.
Custom headers would probably be a must, but doable.
Read all the other threads about BBC conversions and you will get an idea of what you would be in for.
Depending on the heads and their exhaust mod's will determine routing &
sizes available when trying to squeeze headers & turbo's in there.


.
Old 02-23-2010, 09:53 PM
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That would be a hell of a project.
Old 02-23-2010, 10:02 PM
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Originally Posted by 99bowtieZ
That would be a hell of a project.
especially for a first
Old 02-24-2010, 07:39 AM
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So far to put a 598 in a Lt1 camaro He (my buddy) used a BMR Turbo K member set up for BBC. Made a custom set of headers and had to cut all of the cowl in front of the windshield out. Put a th400 and crossmember.

I know as of right now doing most of the work himself he has around $3000 in just parts so if you are going turbo I guessing you will have everybit of $15,000 in just parts before the driveline.
I will see if I can get pics for you if you would like.
Old 02-24-2010, 08:22 AM
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Our K-member makes these swaps much easier especially when using the turbo version. The turbo version offers substantially more header room over a factory K-member.

The K-member listing can be found HERE
Old 02-24-2010, 12:52 PM
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$3,000 for a 598ci and $15,000 for a turbo/twin turbo 632ci?

Maybe if every single part is beyond used/stolen...

I'd say $25-$30K just for the motor/turbos alone nevermind the conversion/drivetrain.

However, I'm sure it can be done...where there's a will there's a way.

I'd have to guess the fender wells/firewall would have to be removed/recessed an inch or two? Tube chassis/BMR K member and/or front clip would make things much easier and more accessible. You're definitely going to need a lot of money, big garage, and some definite cutting/welding knowledge to work out the frame and header/exhaust setup.
Old 02-24-2010, 02:23 PM
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Originally Posted by h0t
$3,000 for a 598ci and $15,000 for a turbo/twin turbo 632ci?

Maybe if every single part is beyond used/stolen...

I'd say $25-$30K just for the motor/turbos alone nevermind the conversion/drivetrain.

However, I'm sure it can be done...where there's a will there's a way.

I'd have to guess the fender wells/firewall would have to be removed/recessed an inch or two? Tube chassis/BMR K member and/or front clip would make things much easier and more accessible. You're definitely going to need a lot of money, big garage, and some definite cutting/welding knowledge to work out the frame and header/exhaust setup.
I quess I should have worded that differently. He has $3,000 into parts for the conversion not including the motor or driveline. And yes he is going to need alot of knowledge or help to do this as it is not easy.
Old 02-24-2010, 07:49 PM
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the pictures would be good, and thanks for all the advice, and yeah this isn't something id do fast and ill probably be coming and asking more questions to make sure i do it right becasue yeah the engine im looking at new is 26k and i haven't even started with turbos yet, also i do have acess to welding equipment(a friend of mine), so if thats needed i can do it, but preferably not and ill take a look at those BBC kits cuz welding is that last thing i wanna do but i mean im not in a rush for this to get done, im just a beginning car enthusist so this is going to be a great learning experience and will help with all later projects that i will be doing with my son when he is getting his own car, cuz knowing how to work on cars yourself saves alotta money(as my dad showed me) and i want to pass that on to mine.
Old 02-24-2010, 08:42 PM
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.

Is this a down the road dream, a race car, or a street car.

If you plan to race this thing, you might want to just chassis it or at least front half.
I personally would just buy a car, it will be much cheaper.
If you think it's going to be a street car, you should consider something other than a 632".
632" with twin turbo's is going to tear up anything less than a full professionally designed & built car.

No matter what your goal is, this monster needs tremendous amounts of money, knowledge & skill.
If you just have to have twin turbo's, again, use the search and see what you're in for.

Post up your exact thinking & goals, and you will get a lot more useful information.


.
Old 02-25-2010, 01:18 AM
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Originally Posted by mrdragster1970
.

The 632" uses the same block width all the other BBC conversions use.


.
Sort of true, the 632 is a tall deck (10.2) truck motor base where as a typical BBC is a short deck (9.8). This makes a difference with header options and would provide less clearance for the carb on a given intake manifold (most likely a single plane).

The 598 would probably be a better bet considering it uses (or can use) a short deck.
Old 02-25-2010, 01:24 AM
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OP if you really want a massive motor in a Camaro, why not go with a 734ci in a first gen?
Old 02-25-2010, 06:01 AM
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Naw, just throw in this 802

Old 02-25-2010, 06:10 AM
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what your in for...buddies BBC





Chad
Old 02-25-2010, 07:37 AM
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You better have that distributor in the engine before you stab it in the car.
Old 02-25-2010, 07:43 AM
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I really hope this is going to be a drag race only car.

Why don't you give us an idea of what you are trying to accomplish. Does it have to be a 632? Why not a 454, 502, 540? the diference in price from a 540to a 632 to quite significant. Especially when you factor in 632 being harder on rotating parts on the street.

If you are planning a twin turbo setup why do you need to put it on a 632? Are you looking to get into the 6 sec range?


~Jim~
Old 02-25-2010, 07:53 AM
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If you dont want to have to weld or cut anything, i think your taking on the wrong project.... There is going to be a substantial amount of welding/fabricating. You are going to have to change out the entire driveline, and if you plan on going with twin turbos, the structure of the car is nowhere near strong enough to withstand the kind of power this motor will make. Without building a full chassis, your are going to rip the motor right off the mounts the first time you nail it. lol. Twin turbo 632 4th gen, built right, is probably an 80-100k project, minimum.
Old 02-25-2010, 07:55 AM
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Why not just turbo your LS motor, or build another LS motor and turbo that? You could get probably 1000hp for the $26k you are looking to drop into the 632
Old 02-25-2010, 09:28 AM
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Yea I mean everyone is here to help out and offer as much advice/knowledge as we can and I also think that this is a great idea to start learning now and pass it on to your son.

Having said that...

For your first "project" this is probably the most extreme idea you could have ever thought of. If you want to drop a 632ci Shafiroff crate motor into it, then by all means that's plenty doable and would give you a great street/strip combo. However, a twin turbo 632ci is going to require such ridiculous work, work that is usually left up to professional race car builders. From the plumbing, the wiring, fuel system, ignition system, the piping and exhaust and mounting for the twin turbo setup, the chassis setup, the drivetrain...I may be wrong here but 9 times out of 10 this isn't something you can whip together in your garage even in a year or two...

I would try to turbo your current motor or use a 632 crate motor or something along those lines...I think the cost benefit will be worth it. You'll also have a much more enjoyable, durable, and drivable vehicle. I mean even with minimal boost (7-10psi) that motor should make over 1500hp and that sounds awesome but again is probably not very streetable for you and your son to enjoy.


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