View Full Version : opinions on rebuild
wild.irish
02-02-2006, 10:58 PM
long time since i posted into tech zone, eh.....
this is about my f22b2. i'm currently considering two options: buy another block and have it sleeved/built professionally (and run 30+ pounds of boost 'burnout: ), or buy all internals and rebuild my current engine myself (and run 10- pounds of boost :cry: )
I'm aware that it's not exactly correct comparison money-wise. but on the other hand i do want to try and poke my fingers inside cylinders ;) so a good educational experience vs. monster boost capabilities? So I'm pretty much asking for your personal and very subjective and biased opinion, what would you do?
ktnxbye :cheers:
If you build anything to handle 30+ psi, it's going to take a heavy chunk of change (forged rods, low comp pistons, etc). Keep in mind that with all that power, you need to spend the money to be able to tune it accuratley, you'll need stronger axles (maybe.. some stock honda axles are ok with crazy power), not to mention if you plan on getting the power to the ground ya better be ready to invest in an LSD and a good strong clutch. You'll need a more powerful fuel system, etc etc.
Just my $.02. I haven't built a block yet, but I've done PLENTY of research on it. Good luck either way.
Skaterkid
02-02-2006, 11:04 PM
Seriously, Dima, make a G block. I think that'd kick ass. And boosted I think it'd really kick ass. Hell I'm tempted to buy my g/f's Prelude in a year or two and do that conversion and boost it with an LSD in the tranny just to avoid sleeving an FRM block.
wild.irish
02-02-2006, 11:18 PM
yeah, with high boost comes big responcibility, i guess :) i was thinking more of a high-boost capable block, kinda an investment. not sure i'll live to see this baby actually pushing 30psi, heh ..and yeah, LSD would come in handy for that. for now though i was thinking of just making it reliable. and keep it at 10-12psi. and with a new clutch ;)
Robbie, i would go with a G block if i was still n/a. that setup (although arguably easy to repeat and only documented a couple of times) has its strength in a combination of solid, robust f22 block and more powerful h22 head. i haven't heard about that one being boosted! i bet it would kick ass, but i want to see one running reliably first. it's an interesting project, but not on my plate currently. you do it ;)
Skaterkid
02-02-2006, 11:30 PM
Trust me, it'd be perfect for boost. Just buy an H23 head and go to the thread below and you can figure out what would give you around 9:1 compression. You could rebuild your own block with the proper piston rod combo and then you'd get about the same low end a ton more top end plus the ability to tune your cams for the proper amount of overlap and have some more options for cam grinds. C'mon Dima, be the only guy in CO with a G engine :D
dsm king
02-02-2006, 11:33 PM
I would just do internals if its a daily driven street car. Keep as much reliability as possible.
Are you building a drag car or a daily driver?
rmcdaniels
02-03-2006, 06:52 AM
I've never regretted my sleeved/professionally built motors, they have been a good investment. I have abused the hell out of them and they held up well.
servion
02-03-2006, 10:11 AM
long time since i posted into tech zone, eh.....
this is about my f22b2. i'm currently considering two options: buy another block and have it sleeved/built professionally (and run 30+ pounds of boost 'burnout: ), or buy all internals and rebuild my current engine myself (and run 10- pounds of boost :cry: )
I'm aware that it's not exactly correct comparison money-wise. but on the other hand i do want to try and poke my fingers inside cylinders ;) so a good educational experience vs. monster boost capabilities? So I'm pretty much asking for your personal and very subjective and biased opinion, what would you do?
ktnxbye :cheers:
You want to know the only difference between a *properly* home-built motor for low boost versus a professionally built motor for high boost? Looser clearances :) I'd say build it yourself AND run 30psi !
ryanman
02-03-2006, 01:26 PM
:werd:
rmcdaniels
02-03-2006, 02:08 PM
Maybe I'm just being a wuss about this, but I've built motors before (Chevy V6's, chevy V8's, Austin Healy 948cc motor, marine engines, outboards, mopeds) and was going to build my B16 originally, but when I checked into the tolerances that are appropriate for a built performance Honda motor, I decided to let someone else do it. My micrometers were not accurate enough to measure that tight, and I had no experience building anything that precise. I think professional bottom end assembly only runs about $400, which is worth it to me for the peace of mind. I would have done it myself if it was just a stock motor daily driver, but tracking it and running a bunch of boost would have made me nervous.
myshtern
02-03-2006, 02:49 PM
You want to know the only difference between a *properly* home-built motor for low boost versus a professionally built motor for high boost? Looser clearances :) I'd say build it yourself AND run 30psi !
Agreed
HONDA GHANDI
02-03-2006, 03:32 PM
We should have a backyard vs Pro motor build off. See whos makes more power and who's lasts longer.
rmcdaniels
02-03-2006, 03:50 PM
Would backyard be limited to Plasti-gauge? I know some people who can build some pretty nice stuff in their back yard. Maybe an amateur vs. pro buildoff. A couple of LS motors for boost could be put together pretty cheaply, I'd even pitch in some parts.
We should have a backyard vs Pro motor build off. See whos makes more power and who's lasts longer.
That would be pretty cool. I'll donate $2 to get this thing started!
:D
HONDA GHANDI
02-03-2006, 03:58 PM
Would backyard be limited to Plasti-gauge? I know some people who can build some pretty nice stuff in their back yard. Maybe an amateur vs. pro buildoff. A couple of LS motors for boost could be put together pretty cheaply, I'd even pitch in some parts.
To be a true backyard build I don't think plastigauge should be allowed. ;)
rmcdaniels
02-03-2006, 04:19 PM
A guy I know used waxed twine for rings in a moped motor once. It ran, for a little while.
HONDA GHANDI
02-03-2006, 04:39 PM
Ive used pieces of rope to make seals with. It actually works pretty good.
wild.irish
02-03-2006, 10:38 PM
Are you building a drag car or a daily driver?
originally i wanted to build a dragster, but this car turned into a very sweet street car, i think it would do very well on a road course. too bad 2nd creek is no more... i mean, it all started with 19+ seconds a 1/4 mile, but after three years and a budget of almost twice the price that i got this car for, i still only could do 15.9. Which makes me think this is not the best dragster i will build :) however it is now very sweet to drive it on a highway! (Tobi, thanks again!!) And the only reason i would like to up the boost till 10psi is to at least get into lower 15s - high 14s, just to say that i accomplished something ;)
We should have a backyard vs Pro motor build off. See whos makes more power and who's lasts longer.
let's do it - you build that green accord, and i finish mine ;)
We'll have to have three factors to determine a victory - 1/4mile time, endurance (like a trip to ... Cheyenne?) and a budget to do this build ;)
wild.irish
02-03-2006, 10:46 PM
Maybe I'm just being a wuss about this, but I've built motors before
see, this is pretty much the reason i want to try it myself. you've built engines before yourself! maybe when i get to my second or third motor, i'll have it built professionally. But i want to try this out at least once. and what can be a better way to try it than on the car that i am totally familiar with otherwise!?
Thanks guys, i was pretty much inclining towards doing it myself, and i think i got what i was looking for from your replies - actually i wanted to see if someone would say something like "don't do it yourself - it's a pain" ;) so somehow i got the encouragement i needed :cheers: Thanks!
And Tobi, i'm serious - let's do the build off! deadline would be sometime this coming season! :king:
ryanman
02-04-2006, 01:22 AM
Build it yourself, I built my first motor when I was 12, I'm positive you can do it.
Russia
02-04-2006, 02:46 AM
Sellin a H23A1 head .cuzz im putin a H22-Vtec in my 92 Lude so if some one is interested hit me up Alexnabokov@comcast.com or call 303 693 6727. its it good condition I think I still havnt pulled it off its still sitin on the Block and the whole motor is still half way pulled out of my Lude but its geting there
HONDA GHANDI
02-04-2006, 08:44 AM
The green accord is no more. I retired it this winter.
servion
02-06-2006, 10:01 AM
see, this is pretty much the reason i want to try it myself. you've built engines before yourself! maybe when i get to my second or third motor, i'll have it built professionally. But i want to try this out at least once. and what can be a better way to try it than on the car that i am totally familiar with otherwise!?
Thanks guys, i was pretty much inclining towards doing it myself, and i think i got what i was looking for from your replies - actually i wanted to see if someone would say something like "don't do it yourself - it's a pain" ;) so somehow i got the encouragement i needed :cheers: Thanks!
And Tobi, i'm serious - let's do the build off! deadline would be sometime this coming season! :king:
I say definitely do it yourself. Especially for your first build you'll have a much greater appreciation for your car and its modifications. You'll know better what's going on inside your motor when its doing its job.
I would consider myself a "backyard builder"; I build everything myself in my garage. My last motor ran 10's in my streetcar for 2 years straight and it would have kept going if I didn't make the mistake of having the wifey drive the car (long story short: thanks to a bug in my AEM box there was 3 quarts of fuel in my oil :(). I actually only used plastigauge on my last build as well. Now that I've done it more I will never build a motor again of off *just* plastigauge (for checking clearances), but you don't have to be a pro to build a motor "right".
Just find a good machine shop that you 100% trust and have them measure everything ahead of time and write all the measurements down (unless of course you'd like to invest in all the proper mesaurement equipment :)). Take your time, don't lose your patience and follow the helms manual.
Good luck!
wild.irish
02-06-2006, 10:32 AM
Thanks! Follow the news - i'll be posting about my progress :)
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