SB Chevy Balanced 383 Stroker Kit from CNC-Motorsports.com - Hot Rod Forum : Hotrodders Bulletin Board
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Old 01-02-2006, 09:46 PM
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SB Chevy 383 Stroker

(I've Pretty much changed this into a conversation about a 383 Stroker)

No 383 Stroker Kits for me! I want the good stuff.

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Last edited by bccsrc; 01-03-2006 at 11:53 AM. Reason: Updated Thread To Actual Conversation
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Old 01-02-2006, 10:09 PM
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You got a leaky spark tube...
 
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I looked at some of their listings on eBay a while back and had wondered why their cranks were quite a bit cheaper than the ones listed in Summit or Jegs. I emailed them and they told me that the cranks were ground .010 before they were ever shipped to sellers. Apparently because there were defects in the journals that needed to be taken care of. I still have a couple emails I exchanged with them about it.

Just something you may want to be aware of before ordering anything. You may want to call/e-mail them and verify whether or not the cranks have standard mains or if they are undersized. If I'm buying a new crank I'd want to spend the extra money on one that has standard journal sizes, but thats me. It's up to you.

You still need a balancer even with an internal balance engine, it just needs to be a neutral balance one like a 350 uses.
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Old 01-02-2006, 10:12 PM
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CNC is one of the largest Eagle dealers in the U.S.

Not all of their stuff is factory seconds.

You will be going backwards on crank alloy quality.

ALWAYS get HX bearings when buying Eagle stuff. If not your clearances will be on the way tight side.

I never trust anyone's completely balanced assembly balance job.
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Old 01-02-2006, 10:17 PM
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hx?? what? when i got my eagle crank it tells you right in the ad what bearings to use. mine recomended clevitte 77 p series

i'd stick with clevitte 77's

J
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Old 01-02-2006, 10:20 PM
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I added the price to the original post. $899.95 Seems like I'm going the cheap way out if I go with the kit. Isn't the 4340 a better crank? Must be better consider the price difference $489.00. compared to $212.95

What type of Damper would I need with the Internally Balanced Crank? Please don't tell me it's $200 - $300.
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Old 01-02-2006, 10:25 PM
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Quote:
Originally Posted by jesse01
hx?? what? when i got my eagle crank it tells you right in the ad what bearings to use. mine recomended clevitte 77 p series

i'd stick with clevitte 77's

J
Man, I can't seem to get away from the "PO PO"

Good to know on the Clevitte's. I saved some money on the CNC-Motorsports.com site. Most of the stuff is cheaper then Summit "Cough it up" Racing.
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Old 01-02-2006, 10:47 PM
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You got a leaky spark tube...
 
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A good balancer can cost between $200 to $300 or more but you can buy what are basically factory replacements for under $100.
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Old 01-02-2006, 10:50 PM
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So using the original balancer would be out of the question?????

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Old 01-03-2006, 06:56 AM
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QUOTE] Isn't the 4340 a better crank?[/QUOTE]

yes the 4340 is the "best", it's forged steel which is a far denser alloy than the others, the eagle cast steel is a good sturdy crank for the street at half the price

but theres one inbetween the two {between cast & 4340 forged steel} it is a 5140 alloy, i think it's nodular iron. it has a middle price range

J
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Old 01-03-2006, 08:00 AM
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Quote:
Originally Posted by jesse01
hx?? what? when i got my eagle crank it tells you right in the ad what bearings to use. mine recomended clevitte 77 p series

i'd stick with clevitte 77's

J
HX bearings are Clevite 77's

In that case get the "P" series with the extra .001 clearance.

"H" series bearings are used on all but the cheap cranks. HX is an extra .001 clearance.
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Old 01-03-2006, 10:36 AM
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There is also 4130 and 1053.
I have seen the scat cast steel cranks take serious power without failure.
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Old 01-03-2006, 11:20 AM
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Balancer

I think, to be safe I will stick with the stronger Crank. Would this Balancer work?

Our great new street Balancers are made from extremely tough nodular iron and are suitable for all street applications and mild (non SFI) racing applications. These dampers are designed to be safely revved to as high as 6,500 rpm. Our dampers are of the highest quality and are precision machined to tolerances tighter than OEM. They come with a gloss black paint finish and white timing marks for easier reading. Externally balanced dampers feature bolt-in counterweights that are precision balanced. Counterweights are included with all external dampers.Counterweights are sold separately in case you buy an internal balance damper (such as the #80002) and want to make it into an #80004. You simply buy the 400 counterweight and bolt it into the 350 damper
8" Damper for 350(Internal)
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Old 01-03-2006, 11:25 AM
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I use those balancers all the time for bone stock engines. Big blocks up to 540 CID but they only see 5,500 RPM's max.

Get the SFI model if you are going to spin it or drag race. Which I'm sure you are.
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Old 01-03-2006, 11:46 AM
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OK, how about this one then.

$114.24

Another question, should I keep my compression around 9.0 to 1. The Comp cam says it needs 9.0 to 1 compression. If I do then should I go with AFR 74cc heads? According to Keith Black Pistons, 76cc I would have 9.6 to 1 compression.

At least then I wouldn't have as much of a fuel problem? Then again, I don't want to loose to much power but I don't want to run race fuel on the other hand.
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Old 01-03-2006, 11:56 AM
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That looks much better to me.
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