01-22-2015, 07:02 PM
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#1
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Engine Surgeon
Join Date: Aug 2008
Location: Cleveland GA USA
Posts: 2,425
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Quote:
Originally Posted by jsceash
With a reduction of 3+ pound internally, and a improved balance will this allow the use of a SMFW and sprung clutch plate, or are their still to many harmonics from the opposed pistons.
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Hey, that work bench looks familiar.. I hear the guy that owns the place is a real ****************************!
And that built crank, it might cost 6,500.00 and have that ****************************'s name on it, but it is 4 pounds lighter than stock and won't snap in half.
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Jake Raby/www.flat6innovations.com
IMS Solution/ Faultless Tool Inventor
US Patent 8,992,089 &
US Patent 9,416,697
Developer of The IMS Retrofit Procedure- M96/ M97 Specialist
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01-23-2015, 03:55 AM
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#2
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Registered User
Join Date: Aug 2009
Posts: 1,466
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Quote:
Originally Posted by Jake Raby
Hey, that work bench looks familiar.. I hear the guy that owns the place is a real ****************************!
And that built crank, it might cost 6,500.00 and have that ****************************'s name on it, but it is 4 pounds lighter than stock and won't snap in half.
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OP of those photos was ltusler. I can only dream I had a crank like that.
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2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
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01-23-2015, 11:34 AM
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#3
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Registered User
Join Date: Dec 2009
Location: Orange County, CA
Posts: 1,984
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Quote:
Originally Posted by Jake Raby
Hey, that work bench looks familiar.. I hear the guy that owns the place is a real ****************************!
And that built crank, it might cost 6,500.00 and have that ****************************'s name on it, but it is 4 pounds lighter than stock and won't snap in half.
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Jake,
Nice, is this a forged crankshaft?
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04-04-2015, 10:53 AM
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#4
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Registered User
Join Date: Dec 2009
Location: Orange County, CA
Posts: 1,984
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lightweight and balanced rotating assembly
Quote:
Originally Posted by Jake Raby
Hey, that work bench looks familiar.. I hear the guy that owns the place is a real ****************************!
And that built crank, it might cost 6,500.00 and have that ****************************'s name on it, but it is 4 pounds lighter than stock and won't snap in half.
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Hello Jake,
Regarding to the 4lbs lighter than stock (billet) crankshaft, plus the balancing of the entire rotating assembly.
Would be possible to achieve similar results by knife edging a stock crank (removing weight) and thereafter balancing the entire assembly as well?
What would be the down side of knife edging a stock crank?
Is the main reason for having the lowest possible mass rotating assembly is to be able to sustain higher rpm with the less vibration? Making a stronger engine in the end?
Your comments are always appreciated, thank you.
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