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 1Likes
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1
Post By patrickt
08-14-2018, 03:12 PM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,307
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Not Ranked
Which Steel FE Crank ?
Out of the top FE cranks, which are most used quality cranks ?
Not for racing or high RPM's, so a quality made and machined although cast's are cheaper, over a very nice forged crank, like a Crower, Callies......(beautiful, but....) 
No billet's needed either. lol
I assume, it will be a stroker engine, but not positive yet. Street/strip use.
Scat, Eagle etc.
__________________
Regards,
Kevin
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08-14-2018, 09:41 PM
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CC Member
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Join Date: Jun 2014
Location: Dallas,
TX
Cobra Make, Engine: ERA #812 427/482 FE
Posts: 495
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Not Ranked
Kevin - When Brent built my engine I asked him to use a forged crankshaft. I’m not a fan of casting from my professional life. He used a Scat forged piece. I drive my car on the street, no racing, but do get spirited occasionally. No complaints.
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Chris
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08-15-2018, 04:21 AM
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CC Member
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Join Date: Apr 2008
Location: Melbourne,
Vic
Cobra Make, Engine: Some polish thing... With some old engine
Posts: 2,286
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Not Ranked
If its scat vs eagle for fe build? Its scat every day of the week.
Sadly this forum alone has a history of eagle cranks going pop...
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08-15-2018, 05:00 AM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,307
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Not Ranked
I thought that people say it the engine doesn't see sustained high RPM as a racing motor, it's overkill and you'll pay at least $400 (+) extra for a forged. I'd rather have stronger
one but... ?
I too have heard that about Eagle.
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Regards,
Kevin
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08-15-2018, 08:44 AM
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Senior Club Cobra Member
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Join Date: May 2007
Location: Mesa,
AZ
Cobra Make, Engine: Contemporary Classic, 428 FE CCX 3069
Posts: 7,506
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Not Ranked
A forging is a homoginous blank that is hammered to form, heat treated, and ma hined/ground to form. This creates a very small.grained product that is stronger by nature than a poured/cast product the may or may not be exactly as designed. With the forging, the argin of error is much smaller than with a cast product. If you are concerned with liability of failire, go with the forging. If you want to save money, go with the cast product.
__________________
Dan in Arizona
CCX3209
"It's a great car and I love it, but it doesn't do 'SLOW' very well."
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08-15-2018, 11:24 AM
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CC Member
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Join Date: Dec 2003
Location: Gurnee,
IL
Cobra Make, Engine: Kirkham #259
Posts: 1,396
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Not Ranked
__________________
Morris
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08-15-2018, 12:38 PM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,307
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Not Ranked
Quote:
Originally Posted by Morris
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Their site is off-line for a while. What is thier apx price ?
__________________
Regards,
Kevin
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08-15-2018, 05:18 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Quote:
Originally Posted by FUNFER2
Their site is off-line for a while. What is thier apx price ?
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IIRC, a Moldex steel billet, chromoly crank costs about 50% over what a SCAT 4340 costs, but it's the strongest crank available, and, you don't need it. Not by a longgggggg shot. |
08-15-2018, 05:20 PM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,519
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Not Ranked
When I had my FE built about 7 years ago, Keith Craft seemed to be fully committed to SCAT cranks which is what I have.
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08-15-2018, 05:55 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Quote:
Originally Posted by DanEC
When I had my FE built about 7 years ago, Keith Craft seemed to be fully committed to SCAT cranks which is what I have.
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From Barry R.'s book: In four years of testing and abuse, I have yet to break one of these [SCAT] cast 4.250-inch cranks—at power levels exceeding 750 hp. Intuitively, this has to be approaching the design limits of the material, though, and an alternate should be considered at that power level. … and FWIW I put a SCAT in mine as well. |
08-16-2018, 05:24 AM
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CC Member
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Join Date: Dec 2006
Location: Southbury,
ct
Cobra Make, Engine: ERA, 428, 4 speed Toploader, Jag rear, Red with White stripes
Posts: 922
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Not Ranked
Quote:
Originally Posted by Mongoose930
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I cant any info on the crank in the article?
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ERA#698 428, 4 speed Toploader, 3:31 Jag rear
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08-17-2018, 06:47 AM
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CC Member
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Join Date: Jan 2011
Cobra Make, Engine: Hi-Tech
Posts: 734
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Not Ranked
Quote:
Originally Posted by davids2toys
I cant any info on the crank in the article?
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Fair enough. I see now that it only mentions the 4.25 stroke. In any event, it is a SCAT cast stroker crank that was recommended by Barry R. for a targeted 550+ HP / torque street engine. For me, Barry's endorsement is all I needed. |
08-17-2018, 02:21 PM
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CC Member
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Join Date: Dec 2006
Location: Southbury,
ct
Cobra Make, Engine: ERA, 428, 4 speed Toploader, Jag rear, Red with White stripes
Posts: 922
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Not Ranked
I would be thinking the same...he has a great reputation for sure!
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ERA#698 428, 4 speed Toploader, 3:31 Jag rear
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08-17-2018, 03:49 PM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,307
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Not Ranked
Is the 4.25 bore safe for the 428 ?
I know the stroke can be 7.50
This looks like a sound kit.
Summit- $950
Bore (in): 4.280 in.
Crank Forged 4340 steel
https://www.summitracing.com/parts/s...gaAgn4EALw_wcB
__________________
Regards,
Kevin
Last edited by FUNFER2; 08-17-2018 at 03:57 PM..
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08-17-2018, 03:57 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Quote:
Originally Posted by FUNFER2
Is the 4.25 bore safe for the 428 ?
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No, but it's just fine for the stroke. |
08-17-2018, 04:20 PM
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CC Member
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Join Date: Jan 2008
Location: Williamsport,
PA
Cobra Make, Engine: Kellison Stallion 468 FE
Posts: 2,703
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Not Ranked
Quote:
Originally Posted by FUNFER2
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that's a chevy stroker kit
__________________
Fred B
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08-17-2018, 07:24 PM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,307
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Not Ranked
Quote:
Originally Posted by patrickt
No, but it's just fine for the stroke. |
He wants a stroker for street fun with a lumpy cam.
The block he bought has been cleaned and bores checked, and all is fne to be continued.
__________________
Regards,
Kevin
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