eagle cranks?
08-14-2009, 11:20 PM
#1
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eagle cranks? i know this subject has been beatin to death in the past ,but mostly in yrs past "i did a search" are the eagle cast cranks all that bad nowadays ? i spun 3 rod bearings and im goin with a prebalanced assembly from eagle .its gonna be a 355 obv eagle crank ,eagle 5.7 rods ,srp forged pistons .im runnin a cc503 with stock heads and its also on the jug for a 100 shot should i be allright?
08-15-2009, 05:14 AM
#2
Get it rebalanced, the Eagle balance job should be assumed poor. While your machinist has it he can inspect it for other obvious flaws.
Really I would sooner use a junkyard motor than a dirt cheap rotating assembly, be cheaper and in all likelyhood more reliable.
Really I would sooner use a junkyard motor than a dirt cheap rotating assembly, be cheaper and in all likelyhood more reliable.
08-15-2009, 09:33 AM
#3
I have a forged eagle crank in my 383.
I intentionally ordered it not balanced ($200 less) then had a trusted machinist take care of it ($125)
had it been far enough out to require mallory, it would have cost $40 or $80 more.
In retrospect, I don't necessarily regret using the Eagle crank, it should handle the power without a problem;
but if I'd known the total cost of the project, I might have gone ahead and spent the money on a more expensive crank
if nothing else but for peace of mind.
I intentionally ordered it not balanced ($200 less) then had a trusted machinist take care of it ($125)
had it been far enough out to require mallory, it would have cost $40 or $80 more.
In retrospect, I don't necessarily regret using the Eagle crank, it should handle the power without a problem;
but if I'd known the total cost of the project, I might have gone ahead and spent the money on a more expensive crank
if nothing else but for peace of mind.
08-15-2009, 02:00 PM
#6
I have an eagle balanced RA in my car, no problems here but personally I wouldn't trust spinning it too high, I only rev to 6100~rpm
if you're gonna buy a "kit" you might as well go bigger than 355 IMO, no price difference outside of having to clearance the block which you can do yourself if you wish
if you're gonna buy a "kit" you might as well go bigger than 355 IMO, no price difference outside of having to clearance the block which you can do yourself if you wish
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08-15-2009, 04:16 PM
#10
I think a Compstar would be about $700 and that would be a good option.
Here are my comments on Eagle followed by an ENGINE BUILDER agreeing with those comments.
https://ls1tech.com/forums/11841220-post14.html
Here are my comments on Eagle followed by an ENGINE BUILDER agreeing with those comments.
https://ls1tech.com/forums/11841220-post14.html
08-15-2009, 05:13 PM
#11
i think a compstar would be about $700 and that would be a good option.
Here are my comments on eagle followed by an engine builder agreeing with those comments.
https://ls1tech.com/forums/11841220-post14.html
Here are my comments on eagle followed by an engine builder agreeing with those comments.
https://ls1tech.com/forums/11841220-post14.html
08-15-2009, 05:33 PM
#12
http://www.lunatipower.com/Product.aspx?id=157&gid=160
From Jegs it's $600
http://www.jegs.com/i/Lunati/638/CJ1...0002/-1?CT=999
It's the same part # that Thunderracing has for an LT1 crank. It's 1 piece RMS so afaik it's right. It's $795 at thunder though.
08-15-2009, 07:28 PM
#13
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thanks for the info guys i talked to my machinist and told him to get the forged crank ,i must have misheard him the first time as he said it was .lolololol the whole rotating assem is costin me $1200 and he is gonna recheck the balancing of the whole setup
