timing help

[wicked98gsx]

Ok. So I haven't been on this site in a long time. Car has been running great, no issues. I've had ECMLink v2 for almost a year now but have never really use it till this weekend. I read on my old hood and FSM that my 2g GSX timing has to be 5* btdc. Watching link, my timing stays at 8.6-9.8* at idle and I know thats bad. My question is how bad is it? Am I risking a bent valve, or pre-detonation? I hate asking but im lost. Im looking to pick up either a green or black top CAS today or tomorrow but till I can get it and adjust timing that way, what damage could/have I done by driving this Lon with the timing off.... all my marks line up, I've redone the timing twice in the past week and im still getting the same degree of timing. Thanks for any help

 

[PrimerPLus]

You so have the 7bolt motor correct?
Or do you have a 6bolt swap?

http://www.dsmtuners.com/forums/newbie-forum/428011-setting-base-timing-dsmlink.html

 

[pauleyman]

Op you are referencing two diffrent things. Ignition timing which is what btdc refers to.....how many degrees of crank revolution before top dead center before a spsrk happens. This is completely different than mechanical valve timing which is the opening of the valves via the timing belt. You also cant check ignition timing without following a procedure. It isnt just stick a timing light on it and check. And if youre looking st dsmlink for timing thst is diffrent still. Fill us in on whst you sre doing. Sounds like nothing is wrong.

 

[wicked98gsx]

Yes... 7bolt motor with a 95 eprom

Before I rebuilt my motor, I had power, a lot of it on 10 psi, 16g, stock side mount, no mods what so ever. I blew the head gasket and fixed it. Took the head and block a machine shop and had everything measured and checked to verify specs. Had the head milled .001, just to smooth out any imperfectionsbut not enough to require a mls HG. Put everything back together and torqued everything down to spec using OEM head studs. Installed my all my parts, added a FMIC, 3' megan racing downpipe exhaust exhaust(cat delete). Timing marks were lined up and are still lined up and verified by mitsubishi... (Im paranoid cause it was my first time ever rebuilding a motor)

I finally got around to hooking up my laptop to link and did a small pull after the car warmed up. I didnt pay attention to anything at first< just set the CeL to come on at 5* of knock, set my stock oil psi gauge to show the knock, and thats it.

Went for the pull, Car didn't and hasn't felt right since the rebuild, went home and looked at the stream and its showing that my timing degree was off. Now I've read that you can lose a lot of performance if timing isnt right, Now i assume that timing is set both way, belt and CAS. Throttle responce is about half of what is was before, and I've tightened the cable like the archive post say to do on here, still no help.... it just LAGS then finally takes of.

I honestly just dont know where to start anymore.

You so have the 7bolt motor correct?
Or do you have a 6bolt swap?

http://www.dsmtuners.com/forums/newbie-forum/428011-setting-base-timing-dsmlink.html

Well damn if that didn't answer why my timing is between 6-8*

 

[dsmreck]

you can check base timing in link. i would bet your timing is off. i have seen this happen.

 

[pauleyman]

There is no way to check base timng other than a timing light. The ecu does not know where your cam angle sensor is set. Ecu has timing control starting at base timing which is five degrees which YOU must set. Cam marks, timing belt etc have no significance in a discussiin about ignition timing.

 

[Marchev]

There is no way to check base timng other than a timing light. The ecu does not know where your cam angle sensor is set. Ecu has timing control starting at base timing which is five degrees which YOU must set. Cam marks, timing belt etc have no significance in a discussiin about ignition timing.

So you're saying that even if you ground the pin through link, and then check the timing through link again, that value is not necessarily correct?

 

[pauleyman]

Yes. Link wont know either. From my understanding thats not a check you're telling link what you set. Not the other way around. Think about it for a minute. No ecu could tell what th starting pointbis, thats the very definition of base timing.

 

[Marchev]

Yes. Link wont know either. From my understanding thats not a check you're telling link what you set. Not the other way around. Think about it for a minute. No ecu could tell what th starting pointbis, thats the very definition of base timing.

That makes sense. I always wondered about that. Thanks for clearing it up