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Old 12-27-2009, 10:25 AM   #1
wtfbill
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Default How much does a small block chevy weigh ?

I am building a 47 studebaker truck on a s-10 frame. I am worried about the front springs. Whats the weight difference between v-8 and v-6 .
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Old 12-27-2009, 10:31 AM   #2
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Default Re: How much does a small block chevy weigh ?

I'm betting the difference between a 4.3 V6 and a smallblock is maybe 50-75lbs since they are basically the same plus or minus 2 cylinders. That being said you won't have any idea at all what springs to use until you have the whole weight of the body on the frame inlcuding engine, trans, interior, etc. The difference in engine weight is minor compared to the weight difference between an S-10 and a 47 Stude truck. If it was me I'd get the whole thing built using the stock S-10 springs you have and see how it sits. If it's not to your liking get friendly with the guys at Afco. http://www.afabcorp.com/AFCO_Dynatec...T&Store_Code=A

Last edited by NHBandit; 12-27-2009 at 10:39 AM.
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Old 12-27-2009, 10:31 AM   #3
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Default Re: How much does a small block chevy weigh ?

S10 V8 swaps are common- there's no need to worry.

But 575 pounds is the average for the SBC:
http://www.team.net/sol/tech/engine.html

(The 4.3 comes in @ 425 for comparison)
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Old 12-27-2009, 10:42 AM   #4
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Default Re: How much does a small block chevy weigh ?

See, I am thinking that the 47 doghouse ,etc. will compensate for the difference in motor weight . I would just like to get the actual lb.s of each motor. I cant find the answer!!!!!!!!!! Thanks
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Old 12-27-2009, 10:44 AM   #5
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Default Re: How much does a small block chevy weigh ?

Which do you think is heavier? The S10 body or the Stude's?
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Old 12-27-2009, 10:46 AM   #6
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Default Re: How much does a small block chevy weigh ?

By far the S-10.
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Old 12-27-2009, 10:47 AM   #7
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Default Re: How much does a small block chevy weigh ?

I read somewhere here on the HAMB that they weigh 475 and 525lbs respectivly, but that might be for block and heads only.
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Old 12-27-2009, 10:47 AM   #8
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Default Re: How much does a small block chevy weigh ?

The S10 swaps have been done for years with fully dressed small blocks weighing in at closer to 685 lbs. You have plenty of room for a bare bone engine and your body. If backed into a corner, the 4x4 S10, Astro van, or late '80s GM mid-size springs will solve the problem.
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Old 12-27-2009, 10:51 AM   #9
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Default Re: How much does a small block chevy weigh ?

I put this 52 dodge on an s-10 chassis.it has a big block and i used a new set of 4 cyl.s-10 springs in front. It rode and drove very good.
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Old 12-27-2009, 10:53 AM   #10
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Default Re: How much does a small block chevy weigh ?

A complete 350 weighs maybe 500. As long as the s-10 didnt come with a 4 banger. The v-6 springs will work fine. If your that worried about it buy a new set for a 4.3 v6 s-10 with 4 wheel drive. Probably more then you need though. My dads s-10 blazer was 4x4 and road very rough. New springs shouldnt be over 60 bucks.
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Old 12-27-2009, 10:54 AM   #11
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Default Re: How much does a small block chevy weigh ?

Yep, the Stude body is alot lighter. According to the chart I posted the link to (post #3 up above), the diff is about 150 pounds. Add headers & an aluminum intake to the SBC, you drop quite a bit of weight. Aluminum heads will lighten it up even more.

Couple that w/ the lighter body & I don't see any problems. Heck, the Chevy LUV guys swap to SBCs from a little 4 banger w/o spring changes.
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Old 12-27-2009, 10:55 AM   #12
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Default Re: How much does a small block chevy weigh ?

Quote:
Originally Posted by scottybaccus View Post
The S10 swaps have been done for years with fully dressed small blocks weighing in at closer to 685 lbs. You have plenty of room for a bare bone engine and your body. If backed into a corner, the 4x4 S10, Astro van, or late '80s GM mid-size springs will solve the problem.
4x4 S-10s use torsion bars. Using a 4x4 frame would give you the ability to adjust the front end up or down because of this but I don't know if the 4x4 spindles can be replaced with 2 wheel drive stuff. The track width is also wider on a 4x4 S-10. Look at the difference on the offset of the wheels sometime and you'll see what I mean. 4x4 rear axle is also wider. The other spring choices you list would possibly help but it's still a guessing game. One phone call to someone like Afco telling them the weight of the vehicle, what springs are in it now & how much higher or lower you'd like to get it and 65 bucks later you have a brand new set of springs with a lifetime guarantee that they will replace them if they ever sag more than 5%. That's just what I'd do. Your mileage may vary...

Last edited by NHBandit; 12-27-2009 at 11:04 AM.
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Old 12-27-2009, 10:56 AM   #13
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Default Re: How much does a small block chevy weigh ?

Quote:
Originally Posted by swimeasy View Post
I read somewhere here on the HAMB that they weigh 475 and 525lbs respectivly, but that might be for block and heads only.
Block by itself is only about 200. I lift my block with crank and pistons still in it up off the ground and into the engine stand with one other person. Once was with my wife helping.
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Old 12-27-2009, 11:07 AM   #14
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Default Re: How much does a small block chevy weigh ?

Quote:
Originally Posted by NHBandit View Post
4x4 S-10s use torsion bars. The other choices would possibly help but it's still a guessing game. One phone call to someone like Afco telling them the weight of the vehicle, what springs are in it now & how much higher or lower you'd like to get it and 65 bucks later you have a brand new set of springs with a lifetime guarantee that they will replace them if they ever sag more than 5%. That's just what I'd do. Your mileage may vary...
Yeah...none of the smaller GM 4x4's of that era use coils...off the lower A frame, they would be in the way of the front CV shafts.

I wouldn't be concerned with the coils at all yet.
Will you be moving the engine back? That and a lighter cab might mean your present coils are already too stiff even with the V8.

I'd bet there's a number of varied spring rates available just for the basic S10. 4 cyl, V6, Extended cab, V6+air, 2x4 4door Blazer, 2x4 4dr Blazer + air......
Those things have been around forever in every body style/powertrain imaginable...and all were different weights.
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Old 12-27-2009, 12:09 PM   #15
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Default Re: How much does a small block chevy weigh ?

i'm thinking a complete running sbc is around 575 if all iron.
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Old 12-27-2009, 04:50 PM   #16
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Default Re: How much does a small block chevy weigh ?

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Originally Posted by c-10 simplex View Post
i'm thinking a complete running sbc is around 575 if all iron.
You kind of hit the problem I'm having with the original question.

Small block Chevy can mean so many different things, and since they are often dressed different, and are not always all iron, don't we really need to know more about the motor to answer this question?

Either the plus or minus implied by an average means the difference in front clips doesn't matter either, or the precision needed to give a useful response is going to require more information and someone who has weighed that particular collection of pieces.
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Old 12-27-2009, 04:57 PM   #17
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Default Re: How much does a small block chevy weigh ?

http://fixrambler.com/engineweightchart.txt
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Old 12-27-2009, 05:05 PM   #18
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Default Re: How much does a small block chevy weigh ?

I would think the Stude body heavier than the S10, if nothing else it's thicker gauge steel.

As for the motor, figure around 600 lbs. If you're off by 50 lbs one way or the other it's not going to make a big difference. Guys put V8s into S10s quite often and I've never heard of anyone having a problem breaking them.
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Old 12-27-2009, 05:05 PM   #19
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Default Re: How much does a small block chevy weigh ?

i use 575#
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Old 12-27-2009, 05:23 PM   #20
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Default Re: How much does a small block chevy weigh ?

Quote:
Originally Posted by rustynewyorker View Post
I would think the Stude body heavier than the S10, if nothing else it's thicker gauge steel.
A complete M5 from '41-'48 comes in right under 3K pounds. They are pretty light for an old truck. Figure in all the modern stuff found in an S10 (AC, heat, electronics, power windows & door locks, wiring harnesses, etc) & I doubt the Stude cab would come close.
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