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12-24-2010, 09:25:50 AM
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#1
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Veteran Member
Join Date: Sep 2004
Location: mechanicfalls maine usa
Posts: 862
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eagle rotating kits
looking at an eagle rotating kit. cast crank,I beam rods,flattop pistons.anyone have input on eagle brand. it is just for a street car, not going to be turning it up nor racing it. the kits comes with pistons hung on rods, bearings ,rings cranks and balanced for 522.00
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12-24-2010, 09:31:43 AM
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#2
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Gold Member
Join Date: Jul 2008
Location: Italy,Rome,Nettuno
Posts: 669
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i got the stroker kit with cast crank and hypereutectic piston, so far so good and i don't give it the simple life,it's got 8000km. on it no problem..
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SBC 383 4 Bolt Main Block
Th 350 tranny
10 bolt rear Eaton limited slip/3.42 gears..
I'M LOVIN IT!!!!!! 
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12-24-2010, 10:42:43 AM
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#3
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Lifetime Gold Member
Join Date: Jun 2003
Location: Endicott, NY
Posts: 8,043
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PLEASE have a reputable machine shop verify that the crank is straight, the pistons are dimsionaly what they say they are, and that the balance is correct.
One of my son's friends built a motor with a brand new "balanced" rotating assembly kit. Got it running and it had a vibration at 3500 to 4500 rpms. Took it apart, had a local machine shop check it and found that the crank was off 50 grams and bent!
The bottom line is that those kits are only as good as the operator making them is.
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Cardinal
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12-24-2010, 11:05:46 AM
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#4
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Veteran Member
Join Date: Oct 2004
Location: NORTHEAST
Posts: 1,238
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If your getting sir rods do a search before buying them!!
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WWW.CNCBLOCKSNE.COM
We are WD on AFR, Dart, Wiseco, JE, CP, Crower, Manley, CARRILLO, Callies, King's Crankshaft. COMP CAMS, Diamond pistons ETC.
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12-24-2010, 12:16:11 PM
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#5
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Lifetime Gold Member
Join Date: Sep 2009
Location: eden, GA
Posts: 11,015
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I am going to be doing an engine for a customer and he has a eagle kit so I will be checking it for the weight and it to be bent I will let you know later next week if I find out anything.
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12-24-2010, 01:36:07 PM
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#6
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L. G. M. / Moderator
Join Date: Jan 2003
Location: BC, Canada
Posts: 11,910
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Quote:
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Originally Posted by 1973bigblock4sp
I am going to be doing an engine for a customer and he has a eagle kit so I will be checking it for the weight and it to be bent I will let you know later next week if I find out anything.
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And if it was a $5220.00 kit I'd expect you to do exactly the same.
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12-24-2010, 02:12:32 PM
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#7
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Lifetime Gold Member
Join Date: Sep 2009
Location: eden, GA
Posts: 11,015
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We check and balance all of the stuff we install and machine
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12-24-2010, 02:13:11 PM
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#8
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Veteran Member
Join Date: May 2010
Location: Space coast of FL
Posts: 369
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When I built my 468, I put a new Eagle crank and H-beam rods in it without any issues. Yes I took it to machine shop and they balanced everything.
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12-24-2010, 04:27:57 PM
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#9
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Lifetime Gold Member
Join Date: Mar 2001
Location: Joplin Mo. 64801
Posts: 11,991
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Quote:
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Originally Posted by badazz70z28
looking at an eagle rotating kit. cast crank,I beam rods,flattop pistons.anyone have input on eagle brand. it is just for a street car, not going to be turning it up nor racing it. the kits comes with pistons hung on rods, bearings ,rings cranks and balanced for 522.00
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Re-using the stock parts is warranted for what you are doing.
They'll last another 200k with proper oil changes, working cooling system etc before it will need refreshed again.
If you are over boring, of course new pistons are warranted.
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71 Camaro 355 NA
11.1650 @ 119.30
1.5028 60'
Quote:
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Originally Posted by Lowend
For the record I agree with Aces and hhott71
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Quote:
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Originally Posted by Lowend
If the rear end grenades it blows your nuts off...
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Quote:
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Originally Posted by Strange81Z
That's because we have more to give....ask any women who's been with a conservative and a liberal! LOL!
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12-24-2010, 05:38:16 PM
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#10
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Veteran Member
Join Date: Sep 2004
Location: mechanicfalls maine usa
Posts: 862
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thanks for the input guys.not sure if i will go this route or not but met a guy yesterday with a set of .040 je flat top pistons, high end rods with floating pins and coated bearings and a bare 4 bolt block, $500.00 ,would just need boring the block and a good crank.
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12-24-2010, 09:27:47 PM
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#11
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Veteran Member
Join Date: Oct 2004
Location: NORTHEAST
Posts: 1,238
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Quote:
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Originally Posted by badazz70z28
thanks for the input guys.not sure if i will go this route or not but met a guy yesterday with a set of .040 je flat top pistons, high end rods with floating pins and coated bearings and a bare 4 bolt block, $500.00 ,would just need boring the block and a good crank.
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I see you not to far from me.
__________________
WWW.CNCBLOCKSNE.COM
We are WD on AFR, Dart, Wiseco, JE, CP, Crower, Manley, CARRILLO, Callies, King's Crankshaft. COMP CAMS, Diamond pistons ETC.
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12-24-2010, 10:35:32 PM
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#12
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Veteran Member
Join Date: Mar 2004
Location: Arthur, Ontario
Posts: 2,338
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i think the last one Harold checked for a guy was over 30 grams out.
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12-25-2010, 08:36:54 AM
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#13
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Veteran Member
Join Date: Jun 2008
Location: New Smyrna Beach, Florida
Posts: 1,109
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I've posted this a few days ago..the guy building my engine told me in the NHRA race engines he builds, he's experienced 3 rods failures with Eagle. But this is not street engines, only pure race engines.
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The Biker 69
"It's not the destination....its the journey!"
1973, 499 CI, TH350, 3800 Stall, Reverse Manual Valve Body, Tranny Brake, Line Lock, 3:73s and a bunch more.
2011 Adirondack Nationals Favorite F-Body
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12-25-2010, 01:16:46 PM
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#14
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Lifetime Gold Member
Join Date: Mar 2001
Location: Joplin Mo. 64801
Posts: 11,991
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A purely street engine is more than strong enough re-using the stock parts.
Even a fairly hopped up engine does well with the stock parts.
Once bolted up and running,,, A stock iron crank looks like a billet crank while peering under the hood.
__________________
71 Camaro 355 NA
11.1650 @ 119.30
1.5028 60'
Quote:
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Originally Posted by Lowend
For the record I agree with Aces and hhott71
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Quote:
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Originally Posted by Lowend
If the rear end grenades it blows your nuts off...
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Quote:
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Originally Posted by Strange81Z
That's because we have more to give....ask any women who's been with a conservative and a liberal! LOL!
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12-25-2010, 01:40:46 PM
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#15
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Veteran Member
Join Date: Apr 2009
Location: hopewell junction,ny
Posts: 4,468
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Quote:
A stock iron crank looks like a billet crank while peering under the hood.
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ha true
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1981 z28: 406 Sbc with Scat bottom end,ARP bolts thru-out eng. balanced/blueprinted , 10 bolt posi 3.73 gears, Th350 dynamic street/strip 2200 conv., SR Torquer heads ported, runs high 12's on street 60's... 
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