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Old 06-15-2008, 09:20 PM
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What crank ect will fit on a 283 SB

I bought a 59' or 60' 283 block for $25.00 today and am pretty new to the Chevy small block so go easy on me.

I would like to find a origional crank but , if I can't what will fit? I was thinking a 327 would fit so I did a search and found mixed feelings on if it will or not. And I would love to build a stroker engine.

Will 350 pistons and rods fit? Will it take 350 lifters and push rods? And were am I going to be with finding a cam and heads that are compatable.


Edit I found some more info.

"I just did this with my 283 except I bored it .125 and made it into a 327.
I figured when I was building a stroker that you can use a 327SJ crank, 327 SJ rods and 307 .060 pistons and make a 313. It is possible.I know that my '64 283 took the 327 crank without any grinding. So, u may be ok.You can't put 350 pistons since the compression height is too much."

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Old 06-15-2008, 11:39 PM
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Yes a small journal 327 crank will work or obviously a 283. If you really want to bore the block way out you should first have it sonic tested for cyl wall thickness. Personally I wouldn't, you 're really not going to see that much difference in performance. Bore it .030 or .060 depending on where the bores are at now and go from there. Once you go .125 over the block can't be rebored if something go's bad...unless you sleeve that cyl.

The 350 pistons are 4.00 bore and as you saw the pin height is differentso they won't work, the 283, 327 and 350 rods are all 5.7" in length but you'll have to stay with small journal items such as the 283/327, remember though the '68/'69 327 were large journal cranks so anything prior to that should work just fine. The MOST important thing to do is find a VERY reputable machine shop and tell them what you want to build, they can get you the right parts ie: lifters, push rods etc. for the combination you want. They most likely will have a few freshly ground crankshafts "hanging around".
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Old 06-16-2008, 06:20 AM
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A 30 over 283 with a 327 crank is a 311. A 60 over version is a 316. (Those displacements will confuse most folks at the next cruise you go to.)
There were a handful of 283 blocks which will go 125, but like 327NUT said, have it sonic tested. You are going to have to pay the machine shop whether you strike water or not. And a 311 or 316 might actually make more power than the b&s 327 out of a 283 due to better cylinder wall rigidity.

I vote for the 311. 30 over 307 pistons, small journal 327 crank, and set of recon sbc small journal rods.
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Old 06-16-2008, 06:32 PM
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Check for interference at the bottom of the bore. Not all 283 blocks will accept a 327 crank without grinding in that area, and that part of the bore is reputed to be fairly close to the water jacket in some 283 blocks.
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Old 06-17-2008, 10:18 AM
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I got a 327JS crank today and the guy gave me a 350 cam and I was wondering if I installed it would it be like a few steps about a RV cam?
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Old 06-17-2008, 01:44 PM
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Stroke 283

You can get small journal 327 crank and drop it in a 283 block, just make sure it wil clear the counter weight in the block. Not all 283 blocks will clear it. Also try to use 327 connecting rods. There are a little more stronger then the 283. Use 307 pistons or +30 overbore piston to make 311cid. Do not get a 68 327 crank because the journal size was increased. The cam was pretty much the same. It was use on th 283, 307, 327, 350.
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Old 06-17-2008, 03:53 PM
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Quote:
Originally Posted by lg1969
You can get small journal 327 crank and drop it in a 283 block, just make sure it wil clear the counter weight in the block. Not all 283 blocks will clear it. Also try to use 327 connecting rods. There are a little more stronger then the 283. Use 307 pistons or +30 overbore piston to make 311cid. Do not get a 68 327 crank because the journal size was increased. The cam was pretty much the same. It was use on th 283, 307, 327, 350.
Was it just 68' that cranks were large journal.
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Old 06-17-2008, 04:23 PM
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All Chevy small blocks (302, 327 and 350) went to medium (or large) journal in 68. The 400 is a large journal.

Vince
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Old 06-17-2008, 04:37 PM
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Your right, Vince.
I was just referring not to use a large journal crank in a 283 block. If he does, he may have to turned down the crank. Thats all.
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Old 06-17-2008, 05:17 PM
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I have a SJ crank now but how can you tell if it is a LG and not a SJ .I am trying to ask how can you tell the two apart.
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Old 06-17-2008, 09:47 PM
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Quote:
Originally Posted by chlsnk
I have a SJ crank now but how can you tell if it is a LG and not a SJ .I am trying to ask how can you tell the two apart.
Measure.

SJ rod journals are 2.000" (assuming they have not been ground undersize) while Medium and LJ rod journals are 2.100".

SJ mains are 2.300". Medium journals are 2.450". LJ are 2.650".

SJ are 55 - 67. Med. journal are 68 up except for the 400. 400's are LJ.
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Old 06-18-2008, 07:40 AM
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So I would need to have my block on hand or some calipers theres no number cast in them to differenciate?
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Old 06-18-2008, 05:39 PM
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[QUOTE=chlsnk]So I would need to have my block on hand or some calipers theres no number cast in them to differenciate?[/QUOTE

Crank Casting#'s
http://www.chevymania.com/partsid/pa...=crank&block=S
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