ok heres the whole story, put a set of stainless valves in the head but in the process one of the injectors got broke, put an ls injector that was laying around in it to get by. didnt run perfect but ran, and when it would get into vtec at WOT it would start sputtering, well swapped in a h23 injector thinking that it was the problem but its still doing it, is there a difference in the h22 and h23 injectors? what would cause it to do that? any ideas?

 

b's are 240cc, h's is 310cc. ether h will work. check ur plugs and timing make sure you didn't f putting that t belt on. check for vac leak. only does it when vtec hits so might be running too rich too, or too lean....good luck

 

checked timing and its perfect. swapped out plugs and wires with some others and it still did it just not as bad. it only does it in vtec at WOT but if you ease into it its hardly noticable if its even there.

 

might seem dumb but have you ground the engine VERY good??

 

0 gauge wire grounding it

 

boost?

 

no boost, n/a but alot of mods.

 

mod list please. and a better explain of the problem too.

 

jdm h22a
bored and sleeved
skunk2 intake mani
74mm throttle body
dc header
fidanza flywheel
exedy clutch
stainless valves
aem fuel rail
b&m fpr
12:1 pistons
chipped p13 ecu

it will sputter from time to time but when you get into vtec at wide open throttle it will sputter really bad really fast about 5100 rpms but if you ease into it its not that noticable, just talked to a guy and he said the CC difference in an h23 and h22 is alot and thats probably the problem so im guessing thats it.

 

might be wrong but i'm pretty sure all h's are 310's. even no vtecs.

 

from what i was told by a very reliable source the h23's are only 240cc

 

and dude. your running that high of comp and your not tuning it...man dude the last time i've messed with a high comp h22 was a nighmare. .

one more thing. do you have a cel code

 

nope, its code free, and yeah, it runs strong as hell but could use a tune

 

lolz....change those injectors out. 310's are not safe for your high comp anyways bro.

 

well the compression rating is coming from what someone told me, all i know is when i did a check it spiked the gauge at 240 across the board

 

and actually from what i was told the 92-96 h22 injectors are 340cc and if i drop to a lower cc injector it will run like ***

 

yes sire if they are different than they will act like azzz . time for 440's or bigger.

 

yeah thinking about it but might be getting rid of the car soon, its fs/ft but if i keep it its probably gonna get about 6psi of boost

 

im thinking 12's is not THE safest thing to do and add boost....BUTTTTT to each it's own....

 

well i really need to figure out the exact compression and go from there? any idea on how to do that? i wasnt the one that installed the pistons. like i said i know its 240 across the board

 

oh i can't really tell you what you have, but can sure tell you i've just did a comp on a 01 h22 last month and his is stock, got 210 or so....so???....you can check by buying a comp ratio gauge reader from napa or something of that kind and check it. i'm not saying you can't boost it. cause I see alot of boosted v8's and 6cyl's boosting at 13.2 ratio, I just don't think it's the safest thing to do you know..

 

oh i know thats why ill keep it at low boost, like 6psi tops. but thats IF i keep it which isnt likely

 

6psi on a semi small/big turbo will make huge power on a 12+comp h22 engine btw. just dynoed one the other day with a h22 turbo low comp (175psi) and with a little ebay 50 trim @ 14psi he made 286whp. so if that thing was somewhere in the 12's ar you'll be seeing more than 300+ for sure @10 psi.