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Old 06-21-2007, 07:21 PM   #1
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Default F20b specs??

Well what I want to know are some specs.Anybody played with them?? Id like to know the rod length. piston skirt length with where the rod bushing goes. Whats the throw on the crank?Like what size are the mains and rods. Int/Exh valve sizes. What are the stock cams ground at. And thats all I can think of for now.Thanks for any help in advance guys.
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Old 06-22-2007, 02:53 PM   #2
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Default Re: F20b specs?? (hahaha38)

those are some good questions.

i've got a few good answers. This info was taken from a Japanese repair manual I have for the JDM/UKDM 5th Gen CF chassis Accord.

deck height = 8.643

bore = 85mm/3.346

Cylinder Head
combustion chamber volume = 53.8cc
intake valve dia. = 34mm
exhaust valve dia. = 29mm
head gasket bore = 86mm
head gasket thickness = .026

pistons
piston dia. = 85mm/3.346
compression height = 1.221
wrist pin dia. = .866

Crankshaft
stroke= 88mm/3.464
main journal dia. = 55mm
rod journal dia. = 1.771

rods:
length = 5.709
width = .935
be bore = 1.890
pin bore = .8649-.8654




Modified by LocOBanAnA at 2:20 AM 6/23/2007
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Old 06-22-2007, 07:18 PM   #3
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Wow thanks for the info thats exactly what I was looking for.
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Old 06-22-2007, 07:19 PM   #4
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Default Re: (hahaha38)

Click the image to open in full size.
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Old 06-22-2007, 08:12 PM   #5
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Hay would you happen to know the compression height of an f20c would you?? Or would you be able to point me in the direction of where I could find that info?
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Old 06-22-2007, 09:28 PM   #6
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search in the lude forum ...there is a h/f faq thread i forget whats the title is but it may have it in there ...


so what the plans for your f20b Click the image to open in full size.
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Old 06-22-2007, 11:25 PM   #7
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Default Re: (machine4321)

i dont think there are any listing for the F20c in that thread.

just the accord f22's, f20b, and the h22's.

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Originally Posted by hahaha38
Hay would you happen to know the compression height of an f20c would you?? Or would you be able to point me in the direction of where I could find that info?
yeah....go to your local bookstore. Locate a chiltons, or haynes manual for a s2000. Most of those repair manuals have specs from the factory printed. If your trying to get info for Japanese motors you might have better luck trying to find an importer here in the states to get you a repair manual from overseas. Click the image to open in full size.
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Old 06-23-2007, 01:53 PM   #8
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Ive pretty much looked through all the threads on specs in here. Mainly they show hp and tq specs. What im thinking of doing is a f20B with 6.0 length rods special pin location and compressin height. So with 25+ pounds of boost I want 550 at the wheel with about a 12k redline. Ive already found some body that will make me the parts I just need the specs. But yeah thats the plan atleast.LOL. And thanks again for the info ill just keep looking for the rest.LOL
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