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F20B FAQ
F20B
Accord/Troneo Sir and Sir-T (CF4) (JDM) 197hp@7200/145tq@6600 85mm bore 88mm stroke 145.5mm rods (f20b rod length = 145.425) 1.65 r/s ratio 55mm mains like h22a4 block rod journal has been offset ground on both sides to the size of a b-series rod journal. 11.0:1cr smaller, b-series rod journals beefy rod, like a s2000 23mm wrist pin https://honda-tech.com/forums/images...es/emsmile.gif exhaust manifold = H22 intake manifold = h22 dizzy = h22 timing belt = unique, uses 156 teeth, you can use a h22 one. (see below) waterpump = h22 Oil Pan = F23 <TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HeikDiesel »</TD></TR><TR><TD CLASS="quote"> Belt that came with my f20b from h-motors 14400-PCB-004 Teeth count 156 New H22 timing belt part number 1400-P13-003 Teeth count 155</TD></TR></TABLE> Engine is a mix between the H22A4 and F23 Misconceptions about the F20B: 1. It does NOT come with a single stage intake manifold. That is found on the H22A7 European Accord type R. For everything that you'd ever want to know about that intake manifold click here: https://honda-tech.com/zerothread?id=1960750 2. It does NOT have type S cams. It is believed that it has the same cams that are found in the JDM H22. EDIT, 09/11/07: Manual version has type S cams, Auto Version has regular H22 Cams 3. Most engines will be from the automatics which have a smaller tb and weaker camshafts. F20B Dizzy wiring https://honda-tech.com/forums/images/smilies/emthup.gif https://honda-tech.com/zerothread?id=1957852 Specs of other honda ~2 literish engines for comparison B20Z = 146hp, 133tq F20B = 200hp, 145tq F20C = 240hp, 163tq (JDM) K20R = 220hp, 158tq (JDM) H22A = 200hp, 161tq (JDM) H22S = 220hp, 163tq (JDM) H23A = 160hp, 156tq H23VTEC = 197hp, 163tq k20a2 = 200hp @ 7400, 142tq @ 6000 A few random pics of F20Bs that I've found https://i7.photobucket.com/albums/y2...ics/6619_3.jpg https://i7.photobucket.com/albums/y2...cs/engine1.jpg https://i7.photobucket.com/albums/y2..._pics/SiR2.jpg A few pictures I took of a F20B https://i7.photobucket.com/albums/y2...b_pics-041.jpg https://i7.photobucket.com/albums/y2...b_pics-019.jpg https://i7.photobucket.com/albums/y2...b_pics-017.jpg https://i7.photobucket.com/albums/y2...b_pics-009.jpg https://i7.photobucket.com/albums/y2...b_pics-005.jpg https://i7.photobucket.com/albums/y2...b_pics-006.jpg More info to come |
Re: F20B FAQ (Bense)
Some water pump and timing belt info.
Belt that came with my f20b from h-motors 14400-PCB-004 Teeth count 156 New H22 timing belt part number 1400-P13-003 Teeth count 155 Water pump part number 19200-P13-003 (Comes with mounting o-ring) Only ID numbers that I was able to find on both the new and the old pump was "26T P13" Modified by HeikDiesel at 11:36 PM 6/19/2007 |
how many teeth are on those belts?
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Re: (Bense)
Are the sleeves iron or frm?
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Re: (SIXTY)
Iron sleeves, Ill count the teeth tonight
Edit....I was very wrong. Old belt has 156 teeth, new has 155 https://honda-tech.com/forums/images/smilies/emthup.gif Fixed info Modified by HeikDiesel at 11:33 PM 6/19/2007 |
Re: (HeikDiesel)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HeikDiesel »</TD></TR><TR><TD CLASS="quote">Iron sleeves, Ill count the teeth tonight
Modified by HeikDiesel at 11:33 PM 6/19/2007</TD></TR></TABLE> you sure about that? I could have sworn they're FRM. |
Re: (skunked)
Not sure, but everything I read said there were iron. Any way to check that skunked?
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jdogg will know. he's got one of these things sitting right beside him every time he gets online https://honda-tech.com/forums/images...s/emsmilep.gif
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Re: (Bense)
Well I have mine sitting right here...how would I check it? Magnet?
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Re: (HeikDiesel)
I'm almost positive it's FRM. If they were Iron those blocks would be gold, and they're not https://honda-tech.com/forums/images/smilies/emwink.gif
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Re: (skunked)
not saying everyone is right skunked but they are saying iron across the board
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Re: (HeikDiesel)
Your right, it's a small bore (85mm) Iron sleeve. I was thinking type S https://honda-tech.com/forums/images...s/emhammer.gif
Modified by skunked at 4:55 PM 6/21/2007 |
Nobody mentioned it, but the valves are B series size in a head that is otherwise very similar to the H22 head.
Matt, he's right, the sleeves are iron, no frm here. |
Re: (skunked)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by skunked »</TD></TR><TR><TD CLASS="quote">Your right, it's a small bore (85mm) Iron sleeve. I was thinking type S https://honda-tech.com/forums/images...s/emhammer.gif
Modified by skunked at 4:55 PM 6/21/2007</TD></TR></TABLE> Cool https://honda-tech.com/forums/images/smilies/emthup.gif I was right for once lol |
Re: (HeikDiesel)
So just to clear some issues up on another forum. On the F20b's does it actually have that stamped on the block (I believe they do)? Or does it still have H22 stamped (which makes no sense to me).
Gracias! |
Re: (ImportechPerformance)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ImportechPerformance »</TD></TR><TR><TD CLASS="quote">So just to clear some issues up on another forum. On the F20b's does it actually have that stamped on the block (I believe they do)? Or does it still have H22 stamped (which makes no sense to me).
Gracias!</TD></TR></TABLE> Just be like "PWNED BY THE IMG" https://i7.photobucket.com/albums/y2...b_pics-013.jpg |
Re: (Bense)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Bense »</TD></TR><TR><TD CLASS="quote">Just be like "PWNED BY THE IMG"
</TD></TR></TABLE> Ahhh! I knew it! https://honda-tech.com/forums/images/smilies/emthup.gif |
just added a link to the f20b dizzy wiring schematics https://honda-tech.com/forums/images...es/emsmile.gif
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Re: F20B FAQ (Bense)
hey on the back of the block there is a neck for a hose near the water pump where does that go on the car, sorry i dont know how to add a picture if u could help with that also thanks
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Re: F20B FAQ (atlplayer4life90)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by atlplayer4life90 »</TD></TR><TR><TD CLASS="quote">hey on the back of the block there is a neck for a hose near the water pump where does that go on the car, sorry i dont know how to add a picture if u could help with that also thanks</TD></TR></TABLE>
off the water tube? It goes to the heater core. |
Re: F20B FAQ (skunked)
thanks skunked for the help any idea on what i do about a dist. i have a obd2b ek and a obd1 h22
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Re: F20B FAQ (skunked)
and the upper plug above the oil filter that is the knock sensor right
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Re: F20B FAQ (atlplayer4life90)
bump for the awesome info! https://honda-tech.com/forums/images/smilies/emthup.gif
i'm putting one into my CD7 as we speak! |
Re: F20B FAQ (Bense)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Bense »</TD></TR><TR><TD CLASS="quote">Misconceptions about the F20B:
2. It does NOT have type S cams. It is believed that it has the same cams that are found in the JDM H22. </TD></TR></TABLE> I am going to have to disagree with this comment. I have had 2 F20B motors and am currently using the F20B cams in my car. I spec'd them and also degreed them in the past. They match up IDENTICAL to the H22 Type S cams listed on the Crower site. http://www.crower.com/cat/impo...shtml. Normal JDM cams have the same lift, etc as normal USDM cams. I have dynoed both cams on my motor and F20B cams have much more lift and different duration and ramp angles than normal H-series cams. Here was my dyno comparison: http://www3.telus.net/public/unrynhen/camdiff.jpg |
Re: F20B FAQ (XES)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by XES »</TD></TR><TR><TD CLASS="quote">
I am going to have to disagree with this comment. I have had 2 F20B motors and am currently using the F20B cams in my car. I spec'd them and also degreed them in the past. They match up IDENTICAL to the H22 Type S cams listed on the Crower site. http://www.crower.com/cat/impo...shtml. Normal JDM cams have the same lift, etc as normal USDM cams. I have dynoed both cams on my motor and F20B cams have much more lift and different duration and ramp angles than normal H-series cams. Here was my dyno comparison: http://www3.telus.net/public/unrynhen/camdiff.jpg</TD></TR></TABLE> Im curious as to what size TB's are on both of those engines |
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