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Request: F20B swap information
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Request: F20B swap information
Hi PZ, before I ask for help, I actually did use the search button. Maybe I missed some, maybe I didn't look hard enough. But I'd really appreciate it If you guys can give me some information.
So, I have an '89 2.0 Si. Everything is stock at the moment but I have decided to do a swap. Yes, the H22 is easier, better or even recommended, but I just really want an F20B (Blue Top). Like I said, I have searched in the forum If anyone ever did this swap before, I found a thread but it was for a 4th gen. The thread wasn't really giving me the things that I need to know. Anyways, can you guys tell me what I need exactly?Axels?What about transmission? Is it even possible swap? Any specific mounts? I think I can use the same mounts for the B to H mounts. I believe its from AZracemachine or something like that. I've heard that from a B to H swap, you need different axels. So basically its stuff like that that I'm asking you guys. Any information would be appreciated. Sorry but my mind is set on the F20B even tho the H22 is recommended by most. Thanks in advance! |
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Re: Request: F20B swap information
the f20b is just a destroked h22a the h22a isnt nessacerly better than the f20b or the the other way around its what ever you want to do. the f20b will use the same mounts halfshafts and even computer as the h22a. so basically look at it like your doing a h22a swap. the down side to the h22a is the piston sleeves they are a carbon sleeve so after 70-90k it will smoke and smoke and smoke i had this problem with h22a4 at 149k i tore the motor down replaced every seal gasket that could be replaced slowed the smoking down but when vtec hit it was nasty. so i swapped to the f20b they have aluminum sleeves you dont get that problem. its your car and anything is possible if u want it done bad enough. wish u luck with your swap.
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Re: Request: F20B swap information
^^This information is not correct. The h22 has FRM sleeves, not carbon. The f20b has iron sleeves, not aluminum. But you are correct that the FRM will wear out piston rings sooner than iron sleeves will.
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1991 Prelude Si ALB 4WS 2017 Ram Rebel |
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Re: Request: F20B swap information
Quote:
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Prelude Enthusiast: [prel-yood, preyl-, prey-lood, pree-lood], [en-thoo-zee-ast, -ist] noun: Someone who is willing to do whatever it takes to push the envelope, performance wise or stylistically, all the while brushing their shoulders off in a truly pimp-esque manor. See also: Automotive Pioneer |
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Re: Request: F20B swap information
Dude I thought I answered all your questions? I guess not.
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What's a race when your always the loser? |
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Re: Request: F20B swap information
Ok for your 3rd gen
You'll need for the swap: 1.Engine 2. Transmission: any f or h series will work except (the F20C tranny) 3. Wiring harness for F20b or h22 or h23 (change over a few plugs on h23 and h22 harness) 4.Mounts which you can get from the earlier mentioned site 5. Ecu (phearable.net) for 195 shipped and with whatever you want you cnt beat it. 6. Shift cables 7. I'm sure you need custom axles This swap is NOT for the ppl that dnt have much experience. And I hope you go through with it bc its nice to see something new with the 3rd genners. Just use 1funryds thread of his h23 swap and think of it as a f20b instead of the h23 bc its gunna be exactly the same. Except for vtec, when you order your ecu have them internally ground the vtec oil pressure switch sense the F20b doesn't have one and then run your wire for vtec. I'm sure there's more to it then just this but I dnt have a 3rd gen and I dnt know all it requires. Hope this helps and answers most of your questions about the swap, instead of comparing the 2 engines. Good luck
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What's a race when your always the loser? |
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Re: Request: F20B swap information
Prelude13: Trust me I want an H too lol. I just have my reasons in liking the F20B more. =P Thanks for the information though man!
Honda95: Thanks dude. Information you gave me really helps.Answered all my questions. I hope I didn't annoy you lol! |
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Re: Request: F20B swap information
Its cool man, if you have anymore questions lmk and I'll help as much as I can
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What's a race when your always the loser? |
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Re: Request: F20B swap information
just a thought, but could you use h22 internals and bore out your block??? say cranck rods and pistons to have a f22b dohc vtec? i know the head is a cast of the h22, and i know alot of people are concerned about parts. so is this (maybe) an answer to that? that is if you want to do that much work to a motor.
like i said just a thought.
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1994 Prelude S GONE!! F22a1 I/H/E ![]() 1994 Prelude S auto/manual swap The new daily(ish) driver. 1994 Prelude Si supercharged/h22a Parts car…. |
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Re: Request: F20B swap information
Throw the f20b in and boost it!
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My Build thread (F22/H23) The only thing realistic about The Fast and the Furious is that the DSM breaks in the first race! 94 Civic EX - Totalled 89 Civic Hatch (fidanza flywheel, excedy clutch, intake, exhaust, short shifter, tein drop coils, D16ZC) -Sold 89 CRX (Stock) - Sold 94 Civic EX - Totalled 92 Prelude Si - Blown Motor 96 Chevy S10 (3inch lift kit, tinted windows, sound system, sunroof, ballin!) - Sold 96 Ford Explorer A.K.A: Chopsmobile (If you drive it you will know why I call it the Chopsmobile) - Blown Tranny 91 Honda Accord (Stock) - DD 99 Hyundai Elantra - Sold 99 Ford Taurus - doin it... |
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Re: Request: F20B swap information
Honestly you might as well just get an H22 of H23vtec(BlueTop).
The amount of money that you are going to eventually sink into trying to make the power of the H22/23 will be a colossal waste of time and money when you could have just did it from the start. That same amount of money could be spent into building the H22/23 for more power should you so desire.
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Sean H22 Project Manager www.1FunRyd.com (Clik Here) Email: 1FunRyd@comcast.net Facebook: https://www.facebook.com/1FunRyd 3rd Gen Performance Link!! ![]() (Danny19 - JDM RH Drive) (1Funryd - H23 Swap) (B20luda - Turbo Charged H22)Representing All of 3rd Gens!!! 3rd Gen Prelude Owners are Rare Breed of Enthusiast's!!! (originally posted by: RED89si) |
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Re: Request: F20B swap information
It may sound stupid and hard to believe, but it's not really power I want. I just want my car to last longer. My motor right now is healthy to be honest. 203xxx on it still. The reason why I'm not putting a JDM instead is because well, I just wanted VTEC. Also, I've a lot of friends that are telling me to stay away from H motors. I know the F20B doesn't pull that hard but since that's not my goal, I guess it works out for me.
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Re: Request: F20B swap information
so if your not wanting more power then why do you want vtec?
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1994 Prelude S GONE!! F22a1 I/H/E ![]() 1994 Prelude S auto/manual swap The new daily(ish) driver. 1994 Prelude Si supercharged/h22a Parts car…. |
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Re: Request: F20B swap information
'Cause VTEC is boss? lol
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Re: Request: F20B swap information
I can promise you, that you will eat your words. No offense.
You need to stop listening to your friends if all they have to say is that the H motors are unreliable. That is pure housewives tales. The reason that those H motors do not last long, is because they are beat to death and not taken cared off. These are performance motors and thus are built to be at a higher level when used, and all performance motors are the same way. I have had my H23a non-vtec motor since 2009 and it survivde a front end and rear end crash in my old yellow lude and is running great in my newer 90 shell. Its all about how take care of your motor. You may still want to swap with the F20b, but do not get it all twisted, that motor is good, but not going to be satisfying in comparison to its older brothers.
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Sean H22 Project Manager www.1FunRyd.com (Clik Here) Email: 1FunRyd@comcast.net Facebook: https://www.facebook.com/1FunRyd 3rd Gen Performance Link!! ![]() (Danny19 - JDM RH Drive) (1Funryd - H23 Swap) (B20luda - Turbo Charged H22)Representing All of 3rd Gens!!! 3rd Gen Prelude Owners are Rare Breed of Enthusiast's!!! (originally posted by: RED89si) |
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Re: Request: F20B swap information
PEOPLE WANT THE CAR JUST FOR THE ENGINE 2,0 SI
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Re: Request: F20B swap information
if the H series is so good why did Honda drop the FRM cylinder walls and go back to cast iron for the K series? and why is there so many internet posts about them being inferior (FRM walls)
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![]() '92 Prelude S F22a1 5spd Put your car's year and engine in your signature. It helps others help you. I NEED CHEAP FENDERS!!! SkyClawAlpha F22 Build thread |
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Re: Request: F20B swap information
I'm a mechanic and I'd rather add oil to an FRM engine than to re-bore a worn out engine. I f the Frm doesn't wear out as fast, Than go with it but don't forget to but some oil for the future.Also I researched V-tech and found out that it doesn't kick in until you reach 5800 rpm's. Guess a V-tech is worthless for a daily driver ,if you're never gonna use it. I think only the high school kids still wind them out that high. I've got a B20A JDM in my 91 and it also uses a bunch of oil.
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Re: Request: F20B swap information
Quote:
They accomplished a great feat, but the metalergy combination was not done right. The motor is great motor, but as with all things, there are things to improve upon, and since Honda ended the Prelude line, they changed the motor as well. Thus their newer motor the K. Noticed that the K is now a timing chain vs timing belt? Thats different as well. Technology has improved since the H motor, but does not mean that the H motor is a bad motor. Great torque, and power in a 4 cylinder block - 2.2 - 2.3 motor. Its cheaper now and with some improvements you can make is as relaible. Personally all that needs to be done, is resleev with iron sleeves and forged internals to OEM specs and bam you have a B20a5 reliability with H22 power.
__________________
Sean H22 Project Manager www.1FunRyd.com (Clik Here) Email: 1FunRyd@comcast.net Facebook: https://www.facebook.com/1FunRyd 3rd Gen Performance Link!! ![]() (Danny19 - JDM RH Drive) (1Funryd - H23 Swap) (B20luda - Turbo Charged H22)Representing All of 3rd Gens!!! 3rd Gen Prelude Owners are Rare Breed of Enthusiast's!!! (originally posted by: RED89si) |
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