RhombusCD5

so, i'd like to build up a dohc f22 rather than buy an h22. I don't really need too much power, just enough for spirited driving with a healthy amount of torque. (for a honda....) I also need this to be quite reliable, as I don't have enough time to spend more under the hood than on the road.

Specs:

This engine was used in the 1992-1996 Honda Prelude Si in Japan. It is similar to the H23A

* 2.2L
* Bore × Stroke: 85.0 × 95.0 mm
* Displacement: 2156 cc
* Valve Configuration: DOHC, 16 valves
* Compression ratio: 9.3:1
* Max power: 166 hp (119 kW) @ 6000 rpm
* Max torque: 150 ft·lbf (200 N m) @ 5000 rpm


If I go n/a i believe i can use f22 parts for the block and h23 parts for the head. Any suggestions for crank/rod/piston combos? cams? I plan to overhaul the engine as well, seals, rings, etc... I don't want to spend too much money on shop-work like boring/ valve jobs, w/e but if one of these things is a must, I can make it happen.

Alternatively, i may want to go with a junkyard dsm/ some-new turbo setup. I know it will fit like on the h23 (mani is 0-0-0-0). I am a complete newbie in the realm of turbos, but i would like to delve in. If I choose to go boost, I would still need it to be highly reliable and i'm not sure how to achieve this. (I don't need huge numbers to the wheels)

For reliability's sake, i'm swaying to n/a but i can be convinced otherwise. Either way, I'm going to need a dyno tune. I've browsed the shop thread, but i would like suggestions on who can dyno-tune this setup the best, locally.

Sorry if i'm asking a lot, but i'm trying to learn and i've done some research but now i need to look to personal assistance. Thanks a lot guys

TITS

do G22 swap

RhombusCD5

ok. so i have recently picked up a free f22a1 longblock from Hunter (civicrider) on here, and a relatively cheap h22a head elsewhere, and plan on building an n/a g22 DD with my dad. This will probably be the build thread for said project, but it may move slow due to time and money. I am planning on rebuilding as much as possible and doing this correctly. I have done a little calculating and this is what i have so far...

F22a1 (block)

open deck
deck height = 8.643in
bore = 85mm
rod length = 5.572in
rod width = .935 in
BE bore = 2.008
pin bore = .8649-.8654
piston bore = 85mm
compression height = 1.203
piston dome volume = -14.5cc
wrist pin diameter = .866
crank stroke = 95mm
main journal diameter = 50mm
rod journal diameter = 1.888
head gasket bore = 86mm
head gasket thickness = .026in (compressed)


H22a1 (head)

combustion chamber = 53.8cc
intake valve diameter = 35mm
exhaust valve diameter = 35mm
head gasket bore = 88mm
head gasket thickness = .026in (compressed)


stock internals will yield....

static compression ratio = 8.51:1
effective compression ratio = 8.47:1
displacement = 2156.31cc
rod/stroke ratio = 1.49:1
piston to deck height = -0.0533mm !!!!!!!!!!!!!
mean piston speed = 1708fps
max piston acceleration = 96413fps^2



the pistons will poke out a bit with all stock internals.... I would like to achieve a 10 or 11 to 1 CR for a decent N/A daily, and i haven't calculated other piston/rod/crank combos yet. I would like to avoid boring if at all possible. obviously the pistons need a couple thousandth mm of room before protruding from the deck. This is an all stock f block, so why do they poke out? suggestions on piston/rod/crank will be gratefully accepted. i plan on pictures whenever possible. all suggestions are welcome. except for the boost ones.



i used the http://www.zealautowerks.com/ calculator.

with http://www.preludepower.com/forums/s....php?p=2414937 as a numbers resource, which was an updated version of a list i found somewhere else...

rowe4166

there is a complete build up with all the information you will need on Honda-tech in the prelude section