it is build to handle even 10000 rpms

but for some strange reason it only goes to 7200 and sounds like a rev limiter or no more go

i swapped ecu and checked with other friends cars

they work fine

and the distributor also in case the crank angle senors were bad but still no go

whatelse can it be

ne one have a clue where to begin

 

What ECU are you using?

 

Maybe you got an auto ECU. Auto B16s only go to 7,500. But this thread is worthless without more info on your setup.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by notstock93 &raquo;</TD></TR><TR><TD CLASS="quote">Maybe you got an auto ECU. Auto B16s only go to 7,500. But this thread is worthless without more info on your setup.</TD></TR></TABLE>
Exactly
What HE Said

 

well the ecu is not a uto ecu tried it on my friends swap also it went passed to 9000


but not on mine

and well what u like to know

i got a seprate coil, msd box
all fuel system is up graded expect the fuel pump for now

i am thinking maybe the msd box is going

is that possible or is there any other suggestions

 

it's probably not going into vtec. mine does the same thing

 

no no it is all the time at 500o which is what i set it to on the vafc

i think it is either my msd box or fuel pump

can these be it????

 

Could be your MSD. Have heard of them cutting spark before ECU fuel cut. Try the stock ignition and see what happens.

 

Don't some MSD's have built in REV limiters on them? Does yours?

 

Yea, sounds like you need to go back to stock ignition. Trust me, the MSD will only work if you have some SERIOUS mods to that car. The fastest all motor honda still uses stock ignition.

 

I put money on..
1) replace your stock ignition
2) and it will fix it..err hopefully

 

yah, doesn't sound like fuel pump at all.

 

I had the same thing happen to me a few years ago on a road race Honda. After trying everything I could think of, plugs, wires, cap, rotor, distributor, ECU, fuel pump, fuel pressure regulator, I even bought a new camshaft, it turned out to be the "high performance" aftermarket valve springs. My car would go soft at 6800 rpm and would not rev over 7200 rpm. I put on some used genuine Honda valve springs with 100k plus miles on them, and viola! it would rev all the way to the 9,000 rpm rev limit. That problem drove me nuts for months! If your valve springs are not genuine Honda, I would look there. Good Luck.

 

Sounds like you may need to rewire the vtec solenoid and/or vtec pressure switch.
You might have a break in one of those wires somewhere, mine was at the firewall.

Codes 21 and/or 22?

 

No offense keithg, but that made no sense what-so-ever. Not to mention you were revving to 9k on stock valve springs.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by keithg &raquo;</TD></TR><TR><TD CLASS="quote">I had the same thing happen to me a few years ago on a road race Honda. After trying everything I could think of, plugs, wires, cap, rotor, distributor, ECU, fuel pump, fuel pressure regulator, I even bought a new camshaft, it turned out to be the "high performance" aftermarket valve springs. My car would go soft at 6800 rpm and would not rev over 7200 rpm. I put on some used genuine Honda valve springs with 100k plus miles on them, and viola! it would rev all the way to the 9,000 rpm rev limit. That problem drove me nuts for months! If your valve springs are not genuine Honda, I would look there. Good Luck.</TD></TR></TABLE>

LOL.
Im leanning towards MSD too.put it back to stock

92BlackSi is an avatar thief...

 

thank you all for that and yes i am doing that today

and well yesterday for some strange reason it gave me a code 43
which is fuel system???

weird huh

i am going to still change out the fuel pump though

and the well i got almost every type of mod that is why i need msd????

but if it is I am going to search for a new box one with a rev dtage mode
like the big boys use...

thanks all will try and post results

 

My motor makes better than 230 WHP, stock ignition. You don't "need" MSD. Clear the code #43. If it keeps coming back, your Oxygen sensor may be going South.

 

I was just relating a true story of what happened to me with a similar problem, "motor won't go past 7200 rpm". As I stated above, I first tried everytning else I could think of, and in the end it was aftermarket valve springs that was causing my similar problem ( I don't know what brand valve springs the engine builder used). I missed the first line of the post "built to handle 10,000 rpms" Or I never would have suggested stock Honda valve springs, just that If nothing else works, look at the valve springs. I also agree with most everybody above that an MSD ignition system on a Honda is usually less reliable than the stock Honda system. Good luck.





Modified by keithg at 2:24 AM 11/17/2003

 

keithg.... there is no way that you'd be able to rev up to 10,000 with stock honda valve springs. i don't even think that you're supposed to rev that high with type r valve springs, and i know that they are by far better of oem honda valve springs.

 

You are right, I don't think you can rev stock Honda valve springs to 10,000 rpm. I didn't mean to say that you could. I missed the first line of the origional post. Not good on my part.




Modified by keithg at 3:03 AM 11/17/2003

 

okay well

i installed the stock ignition system

tomorrow will find out if that was it

and the code didn't come back yet???

will let u guys know

and it is coo please let's all get along....

 

Sorry assclown the pic was from a forward where you no doubt obtained it as well. How can you make such a dumbass claim? What you are saying is the first person who buys a Honda Civic for 2004 is followed by a bunch of thieves who buy later?

Joo = GhEY

 

I had a friend with a similar problem in his mopar. turned out he had a weak ignition coil. Hopefully that new coil help

 

well gentlemen thank you

very much just tried it out anf the stock coil worked fine but still that problem arose

one last test was to pinch the return line and build up pressure

guess what that was it!!!!

so i guess i need to by my fuel pump
it was fuel pressure or lack of


so again thanks to all who replied regarding my post....