My stock (for the next couple months) Rb25det

Post by **PyR0NiAk** » Fri Apr 17, 2009 3:16 pm

hey man i'm sure this is why you called me yesterday... i was at work... our sergeant major retired today so we were practicing for his ceremony... If you want to work on it tomorrow just reply here or call me.. i check my recent topics on nico pretty frequently...

Post by **Romeo_rus** » Fri Apr 17, 2009 4:56 pm

ok, i'll call you tomorrow afternoon

Post by **Carl H** » Sat Apr 18, 2009 2:58 am

hrum...from what you stated there is no reason the car shouldnt start.are you sure your fuel lines are connected correctly? it may have just dumped old gas into the bores.were the cylinder bores wet at all?

Post by **PyR0NiAk** » Sat Apr 18, 2009 4:32 am

Romeo_rus wrote:ok, i'll call you tomorrow afternoon

awesome I'll bring my friend along too... Between the 3 of us, we should have no problem figuring out the problem

Post by **Carryl** » Sat Apr 18, 2009 7:49 am

where did the motor come from ??

Post by **Romeo_rus** » Sat Apr 18, 2009 8:27 am

JDM HOT...

Post by **PyR0NiAk** » Sat Apr 18, 2009 8:32 am

hey rome.. what time you think you want to head over there?

Post by **PyR0NiAk** » Sat Apr 18, 2009 5:21 pm

I helped Rome with his rb25 tonight as much as I could and here's what we ran into. The car would turn over but won't start. So first thought was, no spark, so we pulled plugs and checked for spark... Everything checked out OK. Rome informed me that yesterday his car had attempted to start after he cleaned the ONE injector you can get to without pulling the intake manifold. So... We pulled all the bulls*** out of the way and pulled the rest of the injectors. When pulling the final one, Rome broke off a pin. Here's some pics. If anyone can tell us what this pin is for, it would be appreciated. Also let us know how important it is that it's NOT broken. Like it's just the tip that is broken off... The pin is still intact and straight in it's hole. We also noticed that on the ends of the injectors there are 4 little yellow 'prongs' that wrap around the ends... A lot of the plugs only had 3. Should this be a big concern or is it normal? There are pics below to show both problems. Sorry for bad quality. It's from my moto q9.

The one on the right has the pin still on it. The left one is broken off.

Here, you can see how one has 4 yellow prongs and the other only has 3. They came out of the engine like this.

After all of this, we cleaned the injectors and reassembled everything. Turned the key and the car sounded like it was going to start. That car was loud as hell with just a downpipe in that metal garage. LOL But just as the smile started to cross my face, it was quickly replaced with disappointment. The car seemed to have flooded itself out.

So here's the issue. Car floods out...

GETS SPARKGETS FUEL

Timing is the only thing I can come up with that could cause this.

He's running a NEW OEM fuel pump in case anyone asks.

Any advice would be much appreciated. Thanks in advance.

Post by **krayton** » Sat Apr 18, 2009 5:34 pm

i would check for leaky injectors. i always have issues with side feeds. just pull the rail as a whole and prime it to check for leaks on bottom O ring.

is the timing set? and did you try moving the cas around during cranking

Post by **Romeo_rus** » Sat Apr 18, 2009 5:44 pm

we'll check injecrors for leaks tomorrow... no we did not turn the CAS during our attepts to start it..and tomorrow we'll check timing.. to check timing I should put dots on camshaft pulleys near marks on the head???... what about balanser I saw different marks on it, are there any marks on the block?

Post by **Carryl** » Sat Apr 18, 2009 9:00 pm

Just tossing this out , but is the fuel return line blocked?? also double check for leaks after the MAF.

Post by **Carl H** » Sun Apr 19, 2009 1:43 am

it looks like those injectors have been removed before...stock as injectors should be perfect.im gonna guess the injectors were removed and the orings not replaced so its just dumping fuel into the bores.get some new orings and dry the rail fully, then lube the injectors up with some of the red engine assembly lube and slide them in carefuly.

Post by **PyR0NiAk** » Sun Apr 19, 2009 2:12 pm

car runs great.. only bad news is after driving it... we found that it BADLY needs a clutch

Post by **Romeo_rus** » Sun Apr 19, 2009 5:02 pm

OK, when I was going to go home I decided to start the engine again (I like the sound of it!!!) and started misfiring with a lot of white smoke! it smelled like a gas station... what can it be? (did not touch anything since Pyroniak left)

Post by **Romeo_rus** » Sun Apr 19, 2009 7:44 pm

Running too rich? (bad injectors?)Head gasket? (I don't think it is a head gasket, we did not overheat the engine, did not run it more than 10 min, not more than 3-3.5 rpm...) But I'll check if the radiator has any oil in it...Turbo seals?

Post by **Carl H** » Mon Apr 20, 2009 2:20 am

hard to say...you did pull the injectors out right?i'd say bad oring seals on the injectors, they have to be replaced anytime they come out...they are not reusable by any means.

Post by **PyR0NiAk** » Mon Apr 20, 2009 3:17 am

there's the problem... only thing i wonder is why it didn't do it while i was there, unless maybe it had to build up...

Post by **Carl H** » Mon Apr 20, 2009 3:33 am

honestly sometimes it takes a little bit for the seal to fail...sometimes they kinda seat and then just get blown out.some will leak regardless of install...i had to install an injector on a ka-t build i did a few years back 3 times (with proper lube) before it would seal correctly.make sure you drain the rail (or pull the fuel pump fuse) before you pull an injector out else it may hydrolock the engine.

Post by **PyR0NiAk** » Mon Apr 20, 2009 6:30 am

Carl H wrote:honestly sometimes it takes a little bit for the seal to fail...sometimes they kinda seat and then just get blown out.some will leak regardless of install...i had to install an injector on a ka-t build i did a few years back 3 times (with proper lube) before it would seal correctly.make sure you drain the rail (or pull the fuel pump fuse) before you pull an injector out else it may hydrolock the engine.

good to know.. thank you

Post by **Romeo_rus** » Mon Apr 20, 2009 8:37 am

Tried to start it again... starts good, misfires badly... spits out a lot of fuel trough the downpipe.. a lot of white-blue smoke... I waited untill the car got warm, then checked radiator - there is no oil, coolant is pure green... checked the deepstick - there is NO coolant in the oil... this evening going to check/replace o-rings...
Modified by Romeo_rus at 2:46 PM 4/20/2009

Post by **PyR0NiAk** » Mon Apr 20, 2009 10:42 am

dude, he already said it's most likely your o-rings on the injectors.. i'm sure he's right... stop starting it... you're going to cause some damage

Post by **SullivanRacing06** » Mon Apr 20, 2009 10:52 am

gas in the tank? stupid question but sometimes we over look things like that, after you try n start the car and it "floods out" and ya pull the plugs are the wet at all? fuel on them? or are they dry, if there dry then no fuel, if they are wet then no spark, motor need 3 things, spark fuel and proper timing, if your gettign these three things theres no reason it will not start, have you done a compression test on it yet either? might be a bad motor, if you get low compression readings drop some marvel mystery oil in the low cyls and turn the motor over, it mite have some stuck rings

Post by **SullivanRacing06** » Mon Apr 20, 2009 10:54 am

coolant in the oil , means bad headgasket or cracked head

Post by **PyR0NiAk** » Mon Apr 20, 2009 4:06 pm

SullivanRacing06 wrote:gas in the tank? stupid question but sometimes we over look things like that, after you try n start the car and it "floods out" and ya pull the plugs are the wet at all? fuel on them? or are they dry, if there dry then no fuel, if they are wet then no spark, motor need 3 things, spark fuel and proper timing, if your gettign these three things theres no reason it will not start, have you done a compression test on it yet either? might be a bad motor, if you get low compression readings drop some marvel mystery oil in the low cyls and turn the motor over, it mite have some stuck rings

SullivanRacing06 wrote:coolant in the oil , means bad headgasket or cracked head

ok i normally don't see you make dumb posts so i'm going to assume you SKIMMED this thread instead of reading it... he said that the car starts but misfires and smokes... there is NO coolant in the oil.. read below..

Romeo_rus wrote:Tried to start it again... starts good, misfires badly... spits out a lot of fuel trough the downpipe.. a lot of white-blue smoke... I waited untill the car got warm, then checked radiator - there is no oil, coolant is pure green... checked the deepstick - there is NO coolant in the oil... this evening going to check/replace o-rings...

this problem was said by carl to most likely be caused by bad o-rings on the injectors... if you read back, you'll also see where we stated that we had pulled the injectors out... there are even some nicy blurry pictures... lol either way, please read posts before replying thx man do appreciate the attempt to help

oh yeah.. look up even more and you'll see where i had stated the car started and ran smoothly... the new problem is the injector problem so obviously there is fuel..

Post by **Romeo_rus** » Tue Apr 21, 2009 11:12 am

From what car do the o-rings fit to?

Post by **eh?** » Tue Apr 21, 2009 11:43 am

Romeo_rus wrote:From what car do the o-rings fit to?

VG30DETT o-rings are the same. Use petroleum jelly to lube the o-rings when installing them.

Post by **Romeo_rus** » Tue Apr 21, 2009 11:48 am

ok, thank you! also KA o-rings will fit.. I finally found it on NICO..

Post by **Romeo_rus** » Wed Apr 22, 2009 12:42 pm

The problem is solved - the injector o-ring for the second cylinder was bad... the cylinder was flooded with fuel... when I came to autozone, kittrells and advanceautoparts - sets of o-rings cost $9 each!!!! damn small pieces of F^&*en rubber are so expensive!!! I went to ACE MARINE and got fuel resistant o-rings for $.39 and $.45 a piece... checked them leaving them in a can with fuel and rubbing them afterward. good. Now my works good!!! waiting for clutch.

Post by **PyR0NiAk** » Wed Apr 22, 2009 1:20 pm

congrats

Post by **Romeo_rus** » Wed Apr 22, 2009 1:44 pm

Thank you... When will u have time for a couple of beers or anything else?

My stock (for the next couple months) Rb25det

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