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B20 eagle stroker crank?

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Old May 8, 2002 | 02:39 PM
  #1  
David@DSport's Avatar
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Default B20 eagle stroker crank?

Has anyone tried using the 95mm stroker crank from Eagle yet? I'm considering it, but I want to know if there are horror stories out there.
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Old May 8, 2002 | 07:35 PM
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Default Re: B20 eagle stroker crank? (****@A51)

Hey ****, on a off topic note, does Area51 have a web page any more? And what happened to Climax Racing? I'm trying to track down one of those CRX rear cross member setups you guys had a while back.

Steve
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Old May 8, 2002 | 09:26 PM
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Default Re: B20 eagle stroker crank? (Steve91)

I think honda put a b20a with a 95mm stroke in the older preludes. Just switching to that crank and rods would be way cheaper than buying a kit. Also, I've you want more displacement you're probably better off resleeving with golden eagle sleeves and boring it to ~85mm... or just getting a b20b/z block. A 95mm stroke would screw your rod to stroke ratio... which is bad. (see below)

http://www.team-integra.net/sections...p?ArticleID=53
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Old May 9, 2002 | 09:08 AM
  #4  
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Default Re: B20 eagle stroker crank? (robbin)

The kit has a raised wrist pin to lengthen the rod to combat that problem. The guys at RS motorworks are saying it made 245@ the wheels with ctr cams. I have JUN 3's, so I'm kind of interested in getting the kit. I haven't done the math yet to figure out rod stroke ratio but I'm also using the eagle sleeves so I can play with the ratio a little. By the way what is the formula to find out rod ratio?
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Old May 9, 2002 | 09:13 AM
  #5  
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Default Re: B20 eagle stroker crank? (Steve91)

Yeah we do have a site still. it is http://www.area51fab.com
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Old May 9, 2002 | 09:29 AM
  #6  
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Default Re: B20 eagle stroker crank? (****@A51)

thats allot of torque 95mm egad..
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Old May 9, 2002 | 11:59 AM
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Default Re: B20 eagle stroker crank? (robbin)

the prelude b20/b21 crank is ****; dunno about the eagle yet; supposed to be ~$700. wait 'til NA peeps see the dart/payn b-series block (got $2K?) with 1/2 added deck height (who needs a hood?) with that eagle crank/pistons/rods- 2.1L w/ 84.5mm bore and 1.62 r/s ratio. you can prolly stroke it even more, but as it is, with that piston speed, you may need pretty big airhorns/itbs or a ~2L bottle intake mani, and a crazy header. for FI peeps, the closed deck, thick sleeves, and high capacity water jacket allow 50psi.
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Old May 9, 2002 | 04:45 PM
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Default Re: B20 eagle stroker crank? (****@A51)

By the way what is the formula to find out rod ratio?
Rod ratio=Rod length/stroke
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