Will a F20B fit in a 95 prelude?
I an looking at replacing my current non-vtec with a vtec in my 95 prelude. I was wondering if a F20B would fit in the car and what if any modifications would have to be made?
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Re: Will a F20B fit in a 95 prelude?
Yes it will convert it to OBD-1 and use your current mounts. Run the P13 ecu until you get a chipped P28. Wire up vtec and have fun. I think thats it. If anymore is needed anyone please add to the list.
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Re: Will a F20B fit in a 95 prelude?
Why an F20b?
Its an easy swap. Same as an H22 swap. You might need to swap out your current front motor mount bracket. Use an OBD1 H22 dizzy. Use your harness and fit it to the f20 when its on the ground. youll have to graft 3 wires along the harness. Knock sensor wire, VTEC solenoid wire and VTEC oil pressure switch wire. The F20b's 3 wire IAC wont work with OBD1 management. 2 options, use an H22 upper plenum (it has provision for a 2 wire IAC.) or an adapter plate. Blactrax and Rosko racing carry them. Again. Why an F20b? It has no torque. |
Re: Will a F20B fit in a 95 prelude?
why an f20b?
it's an iron block without the frm, makes it ideal for forged pistons for a turbo setup or a high compression all motor setup. |
Re: Will a F20B fit in a 95 prelude?
Originally Posted by ralpheezy
(Post 44591653)
why an f20b?
it's an iron block without the frm, makes it ideal for forged pistons for a turbo setup or a high compression all motor setup. You can spend the same $$ on an H22 with compatible pistons and it will make more hp and torque. All that FRM slamming is old news. |
Re: Will a F20B fit in a 95 prelude?
or just get a vtec head and put on and have a vtec/frankenstien. less work and less $
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Re: Will a F20B fit in a 95 prelude?
Originally Posted by 92civlude
(Post 44592129)
INCORRECT- Its an aluminum block
You can spend the same $$ on an H22 with compatible pistons and it will make more hp and torque. All that FRM slamming is old news. |
Re: Will a F20B fit in a 95 prelude?
so is the f20b a bad swap? i just bought a 93 prelude and it has an h23 but im looking to upgrade.
or would i be better off doing an h22 head swap? |
Re: Will a F20B fit in a 95 prelude?
Originally Posted by 92civlude
(Post 44592129)
INCORRECT- Its an aluminum block
You can spend the same $$ on an H22 with compatible pistons and it will make more hp and torque. All that FRM slamming is old news. I took out a fine running H22 for the F20B...just because. But anyway, there is a 11 ft.lb difference I think, and YES you actually feel it. But then again I had an 8lb flywheel installed with the F20B, and stock one on the H22, so that could be why it feels different. |
Re: Will a F20B fit in a 95 prelude?
Originally Posted by Rude Awakening
(Post 44600740)
FRM is quite gay, knowing that it WILL burn oil at some point.
I took out a fine running H22 for the F20B...just because. But anyway, there is a 11 ft.lb difference I think, and YES you actually feel it. But then again I had an 8lb flywheel installed with the F20B, and stock one on the H22, so that could be why it feels different. |
Re: Will a F20B fit in a 95 prelude?
F20b is more rare than the h22a ..if ya want to be different do the f20b..they are fairly cheap now a days as well
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Re: Will a F20B fit in a 95 prelude?
Yeah i bought mine with a trans the T2T4 for $1600
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Re: Will a F20B fit in a 95 prelude?
Originally Posted by SoFresh1189
(Post 44600350)
so is the f20b a bad swap? i just bought a 93 prelude and it has an h23 but im looking to upgrade.
or would i be better off doing an h22 head swap? The F20b has less torque than your H23. Not good in a heavy prelude. I did an F20b swap for a customer and the car didnt "pull" as hard as an H22. Have you considered an H22 or H23 bluetop DOHC VTEC swap? |
Re: Will a F20B fit in a 95 prelude?
if the f20b's crank mains are the same size, assuming it's a similar casting to the other f series, i don't see why you couldn't put your h23 crank in it and bore it out to 87mm or more. make yourself an f23b or something.
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Re: Will a F20B fit in a 95 prelude?
The best voted honda of the year (Stickydiljoe) was Big Mikes 92-96 Honda prelude which has a F20b in it. Something to think about.
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Re: Will a F20B fit in a 95 prelude?
True that. I have no idea what that guy is talking talking about mine pulls hard as hell in a 92 I walk my buddys b16 all day
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Re: Will a F20B fit in a 95 prelude?
Originally Posted by xmod_supra
(Post 44620452)
The best voted honda of the year (Stickydiljoe) was Big Mikes 92-96 Honda prelude which has a F20b in it. Something to think about.
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Re: Will a F20B fit in a 95 prelude?
^^^^ Ok??? I didnt say it pulls hard or walks people. I just said that the best voted honda has an f20b in. So it must be a good motor. Dont get all ahead of yourself.
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Re: Will a F20B fit in a 95 prelude?
i got a full f20b swap for sale for 1200 if youre interested. Was gonna put it in my accord but got other plans now. Email me if you're interested vmachi97@yahoo.com
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Re: Will a F20B fit in a 95 prelude?
Originally Posted by jarol220
(Post 44625932)
True that. I have no idea what that guy is talking talking about mine pulls hard as hell in a 92 I walk my buddys b16 all day
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Re: Will a F20B fit in a 95 prelude?
Originally Posted by 92civlude
(Post 44632092)
Ha Ha! Youre using a B16 as a basis of a quick car. You should pick races against D15 4drs. Youll win everytime. The H22 against the F20b, all stock, same car. The H22 walks the F20b anyday.
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Re: Will a F20B fit in a 95 prelude?
Originally Posted by 94f20bacc
(Post 44633508)
ive had both h22 and f20b, i like the f20b more only cause its different not many people have them unlike h22's where everyone and their brother have one.
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Re: Will a F20B fit in a 95 prelude?
Originally Posted by 92civlude
(Post 44617359)
Youre downsizing from a 2.3 liter to a 2.0 liter.
The F20b has less torque than your H23. Not good in a heavy prelude. I did an F20b swap for a customer and the car didnt "pull" as hard as an H22. Have you considered an H22 or H23 bluetop DOHC VTEC swap? 11 pound feet of torque difference between the F20B and H23A, 11, eleven, ELEVEN. You talk about it like it's the difference in torque between a Cummins diesel and a Geo Metro. |
Re: Will a F20B fit in a 95 prelude?
Originally Posted by slomofo
(Post 44634413)
11 pound feet of torque difference between the F20B and H23A, 11, eleven, ELEVEN.
Why did honda make the F20b in the first place? Wasnt it to increase sub 2 liter production to avoid paying higher taxes? Or something like that. |
Re: Will a F20B fit in a 95 prelude?
Originally Posted by xmod_supra
(Post 44628512)
^^^^ Ok??? I didnt say it pulls hard or walks people. I just said that the best voted honda has an f20b in. So it must be a good motor. Dont get all ahead of yourself.
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