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What do you think of the F20B

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Old Nov 8, 2003 | 06:44 PM
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Default What do you think of the F20B

Potentional for all motor...what kinda parts can i use for this engine? cams,pistons etc.
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Old Nov 8, 2003 | 07:07 PM
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Default Re: What do you think of the F20B (Daysleeper)

lol well if you thinking about this engine because of Bisi they you can go with carbs but i dont know how much i would put into it, what kind of car would it be for? I seem to remember that B18C5-EH2 said they were extremely prone to oil leaks and werent all too great of an engine
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Old Nov 8, 2003 | 08:55 PM
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Default Re: What do you think of the F20B (madhatter07)

You know this engine has 200 hp and 145 tq from honda and has VTEC???? i think it is the engine F20C(S2000) is based on.

Ohh yeah..swap into an 3.gen Prelude maybe. i am still just doing research about this engine.
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Old Nov 8, 2003 | 09:18 PM
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Default Re: What do you think of the F20B (Daysleeper)

Head: H22a all H22a parts include intake manifolds and headers.

Block: Just an H22a block with a short stroke (88mm) and hardcore rods and 11:1 pistons. It's only 85mm bore.

It's a high revving motor. with good cams it will make peak power at 8500-9000 rpms.
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Old Nov 8, 2003 | 09:23 PM
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Default Re: What do you think of the F20B (satan_srv)

So it is basicly an destroked H22??? if i got it right???
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Old Nov 8, 2003 | 10:03 PM
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Default Re: What do you think of the F20B (Daysleeper)

yes. It has a high HP potential. It's the basis for the F20C aka S2000 motor. The F20B was the R&D
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Old Nov 8, 2003 | 10:21 PM
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Default Re: What do you think of the F20B (satan_srv)

Sounds exciting... how high hp? around 250 whp?? think i will go with this one instead of the H22..becous i always wanted an high revbving motor in the 3.gen, and since the h22 is not capable of it in the long term i think the F20B is the one to go for.
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Old Nov 8, 2003 | 11:34 PM
  #8  
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Default Re: What do you think of the F20B (Daysleeper)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Daysleeper &raquo;</TD></TR><TR><TD CLASS="quote">Sounds exciting... how high hp? around 250 whp?? think i will go with this one instead of the H22..becous i always wanted an high revbving motor in the 3.gen, and since the h22 is not capable of it in the long term i think the F20B is the one to go for.</TD></TR></TABLE>

to be honest I'd put a b series in a 3rd gen prelude.
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Old Nov 8, 2003 | 11:47 PM
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Default Re: What do you think of the F20B (satan_srv)

why??? there is already axels and stuff on the market and only get an custom oil pan for ground clearance and engine mounts since the Place Racing mounts sucks. this is just what i have readen any ways..it will be the same difficult swap anyways
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Old Nov 8, 2003 | 11:56 PM
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Default Re: What do you think of the F20B (Daysleeper)

a. cheaper
b. more parts available

but it's your call
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Old Nov 9, 2003 | 12:14 PM
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Default Re: What do you think of the F20B (satan_srv)

bore it out and u'll get a 2.2 with characteristics of a Bseries. no endless torquesloss at the top end
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Old Nov 9, 2003 | 03:19 PM
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Default Re: What do you think of the F20B (MrMike)

You mean bigger sleeves??

To To Satan_SRV: I am not going hardcora Na. I just want an engine for rpm So i can juse cams,valves etc from the H22a??? or what is usable between H22 and the F20b???
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Old Nov 9, 2003 | 06:10 PM
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Default Re: What do you think of the F20B (MrMike)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MrMike &raquo;</TD></TR><TR><TD CLASS="quote">bore it out and u'll get a 2.2 with characteristics of a Bseries. no endless torquesloss at the top end </TD></TR></TABLE>

You can't. the only reason the H22a is 87mm is the FRM bore. The non-FRM F20B bore won't go far.

Daysleeper: Why do you want an engine with rpm? What's the point? You don't want to go hardcore NA but yet you want a high revving motor? Makes no sense.
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Old Nov 9, 2003 | 07:51 PM
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I saw an all drag crx bored stroked etc..... i dont know what company it was, but they were hitting low 10's like 10.2's or something like that with them. not too bad. not really an f20 anymore tho.
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Old Nov 9, 2003 | 09:23 PM
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Default Re: What do you think of the F20B (satan_srv)

well maybe in the future. sorry was a bit tired when i wrote that. Had an awsome party yesterday don't wanna go lower than 2L becous of tq and don't want the H22a. And don't wanna start with any CRvtec. so this is basicly the best solution for my future project
Does it still not make anysence??
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Old Nov 10, 2003 | 05:22 AM
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i wish i had a f20

joel didnt you say the f20 head was a type s head on a 2l block..IE cams and such ..or was i dreaming
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Old Nov 10, 2003 | 07:56 AM
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Default Re: (machine4321)

F20B is the bomb engine. For those of you guys who are on a budget, the F20B is bang for the buck. This is why I would choose it over the H22A.

- It can rev higher due to it's shorter stroke and better R/S Ratio.
- It has 11.0:1 Compression
- It normally comes w/ LSD

We all know that building a block can be expensive. With these characterics, you can build the head only and have a nice spaking motor.

If you plan to build the block, then by all means, go w/ the H22A. You built block will be able to handle high RPMS (if you make power up there), and give you loads more torque.

But for those on the budget, the F20B block gives you the RPM characterics of a B-Series (the stroke is shorter than a B20!) and decent torque close to that of the H22A. Build the head, and you'll have a nice street motor.
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Old Nov 10, 2003 | 12:27 PM
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Default Re: (cpforyou)

The engine is sweet ... vtec comes in very strong at 5500rpm ... and revs to 7800rpm b4 the gear limiter .. the car is a top end monster .. finishes the 190kph in 4th gear at 6900rpm .. researching to get a fields or an apexi to get out the top speed limiter and see what this engine is really capable of ..

I have a friend with a 5 zigen catback system and a K&N power flow on his F20B .. he dynoed 175whp .. will be doing mine end of month .. i will keep you guys posted ..
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Old Nov 10, 2003 | 03:40 PM
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Default Re: (SiR-T-fied)

Yeah F20B has type-s cams/valvetrain/porting
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Old Nov 10, 2003 | 07:50 PM
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Default Re: (cpforyou)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cpforyou &raquo;</TD></TR><TR><TD CLASS="quote">F20B is the bomb engine. For those of you guys who are on a budget, the F20B is bang for the buck. This is why I would choose it over the H22A.

- It can rev higher due to it's shorter stroke and better R/S Ratio.
- It has 11.0:1 Compression
- It normally comes w/ LSD

We all know that building a block can be expensive. With these characterics, you can build the head only and have a nice spaking motor.

If you plan to build the block, then by all means, go w/ the H22A. You built block will be able to handle high RPMS (if you make power up there), and give you loads more torque.

But for those on the budget, the F20B block gives you the RPM characterics of a B-Series (the stroke is shorter than a B20!) and decent torque close to that of the H22A. Build the head, and you'll have a nice street motor.</TD></TR></TABLE>


This id best reason why i want the F20b
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Old Nov 10, 2003 | 08:50 PM
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Default Re: (jaydmcrx)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jaydmcrx &raquo;</TD></TR><TR><TD CLASS="quote">I saw an all drag crx bored stroked etc..... i dont know what company it was, but they were hitting low 10's like 10.2's or something like that with them. not too bad. not really an f20 anymore tho.</TD></TR></TABLE>

That would be bisi.
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Old Nov 10, 2003 | 10:03 PM
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Default Re: (kid-honda)

Can i push the engine to 9000 on stock block internals??? if i chose to go with some stage 2 or 3(Is stage 3 worth it on comp under 12) valvetrain Jun,Toda or Skunk2 or Crower ...and S2IM and P&P what do you think of whp then. And Hondata...Around 200-215whp???
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Old Nov 10, 2003 | 10:24 PM
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Default Re: (Daysleeper)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Daysleeper &raquo;</TD></TR><TR><TD CLASS="quote">Can i push the engine to 9000 on stock block internals??? if i chose to go with some stage 2 or 3(Is stage 3 worth it on comp under 12) valvetrain Jun,Toda or Skunk2 or Crower ...and S2IM and P&P what do you think of whp then. And Hondata...Around 200-215whp???</TD></TR></TABLE>

Yeah you can. But if it ever breaks I didn't say that.

I already told you Minh this guy I know hit 215whp with JUN cams, a good Header, a CNC ported head and Hondata tuned by prospeed and erick's racing. Not as much torque as an H22 though, close
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Old Jan 12, 2004 | 05:38 AM
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Default Re: (satan_srv)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by satan_srv &raquo;</TD></TR><TR><TD CLASS="quote">

Yeah you can. But if it ever breaks I didn't say that.

I already told you Minh this guy I know hit 215whp with JUN cams, a good Header, a CNC ported head and Hondata tuned by prospeed and erick's racing. Not as much torque as an H22 though, close</TD></TR></TABLE>

Wasn't his dyno posted here somewhere on Honda-Tech? I remember an F20B making over 210WHP w/ a stock block. I don't think I ever seen that with an H22A.
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Old Jan 17, 2004 | 06:49 AM
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Default Re: (All-Motor H22A)

Our race hatch ran a 11.4 on a F20B, with a lightweight flywheel, stock internals, and 8lbs of boost.
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