haha over heating

ok, so one of my friends has a 98 gst with the following mods-



***Modifications On The Mitsu Eclipse Gs-T***

~Performance~
Garret 50 trim turbo ete 20
Greddy Large Front Mount InterCooler & Piping
Greddy Type-S Blow Off Valve
Crower Rods & Valve Springs
'J&E Pistons
Shaved Valve Cover
Ported, Polished, and Milled Head
K&N Intake
Custom Cold Air Box
3 inch DownPipe
3 inch Greddy Exhaust w/ no cat
Venom High-Flow Fuel Rail
550 Injectors
Walbro Fuel Pump

Phantom Grip Lsd

AEM StandAlone System Management( runs off Laptop)
fuel Pressure Gauge(under hood)
XS boost controller
Blitz Turbo timer(cutom installed in ash tray)
Tein Coil-overs

~ShowLooks~
Enkie 18' 5-spoke RIms
Full Body Kit
Projector headlights
3 guage pillar
Custom Guage Bezzel
Stock Interior Lights replaced with blue and red
2 Mephis 12s
efx amp
*Thats what i can remember right now*

He paid to have it tuned at 20 psi and got it all running perfect.. but it started over heating so he turned it down to 8 psi and its still over heating so he called me.. I know a good amount about dsm's.. but i cant figure this one out.. haha its funny cause i got there and he was telling me that he thinks he needs a bigger radiator! haha i just laughed but any ways he has a new water pump, thermastat, i flushed the fluid and put some new stuff in.. changed the oil and put in purple royle full synthetic... his fan kicks on when it should but its still getting way hot.. any ideas? i dont know much about tunning with the stand alone unit.. but my guess is i need to change somthing..

Does the lower hose get sucked flat at all? Could be blockage in the radiator, thats all I can think of at the moment

Only thing left I can think of mechanically is blown HG, really dirty fins on the rad, or he bought a bad thermostat. His hoses in good shape? Did you look to see if they were collapsing.

umm I dont belive so.. I checked all the hoses wile it was running but I will dubble check

Does the lower hose get sucked flat at all? Could be blockage in the radiator, thats all I can think of at the moment
You whore you :p You always beat me while my slow ass is typing don't you. :icon16:

If it was the head gasket the hoses would have alot of pressure in them at idle within a few seconds of start up so if it does thats probably the problem

If it was the head gasket the hoses would have alot of pressure in them at idle within a few seconds of start up so if it does thats probably the problem
:iagree: si senor

Only thing left I can think of mechanically is blown HG, really dirty fins on the rad, or he bought a bad thermostat. His hoses in good shape? Did you look to see if they were collapsing.

yeah there new hoses.. well like 3 months old.. fan and rad are new.. I didnt even consider the head gasket....

If it was the head gasket the hoses would have alot of pressure in them at idle within a few seconds of start up so if it does thats probably the problem

I will check on that, Thanks

if everything is new then it is limited to what it could be, A, blown head gasket, B. Blockage somewhere, or C. Theres air in the system, and probably something else that I'm forgetting

You whore you :p You always beat me while my slow ass is typing don't you. :icon16:
I think I'm about to be labeled AF's biggest whore:icon16:

You may not believe this, but I have found the problem sometimes is the cap. Pressurized water has a higher boiling point, so if the cap won't allow pressure to build......then the boiling point is lower. :2cents:

You may not believe this, but I have found the problem sometimes is the cap. Pressurized water has a higher boiling point, so if the cap won't allow pressure to build......then the boiling point is lower. :2cents:

good thought.. I will pressure test it

I think I'm about to be labeled AF's biggest whore:icon16:
HELL no, Rallysport92 has barely been here a year or so and has like 5-6k posts. :D HI Rally :smooch:

SHIT!! I completly forgot about that thats probably it

Well you know, I'm about as sharp as a box of marbles but I have owned enough pieces of shit that I had to learn to deal with over-heating.

Well you know, I'm about as sharp as a box of marbles but I have owned enough pieces of shit that I had to learn to deal with over-heating.

haha god has blessed me with over heating.. on almost every car I have owned! the only one it hasnt actualy was a damn hyundai..

Man, you two are a couple of whores. ;)

Check the HG, I'm putting my money on that. Also, whats he using for logging? Does he have an EGT guage? He was running 20 psi on a 50 trim with 550's, I would be worried about some serious knock going on in there.

Man, you two are a couple of whores. ;)

Check the HG, I'm putting my money on that. Also, whats he using for logging? Does he have an EGT guage? He was running 20 psi on a 50 trim with 550's, I would be worried about some serious knock going on in there.
:p right mister 1500 posts before I got my DSM, and I been here longer than you too. I will hit 1000 soon. I got 5 hotdogs on the cap being bad. Any takers?

:lol: Yeah, you have a point.

No man, my hotdogs are on either the head gasket or bad tuning leading to wicked knock.

Blockage or cap, 4 hotdogs

let the car warm up, and check for the radiator hose, see if it hot .

AND THE HOT DOGS GO TO! loeman and pr ricer! haha i coulndt find my cap tester so I just put one of mine on it to see if it made a diff and it got pretty worm.. but not nearly as hot as it was before! there is no knock unless he runs less then 91 pump gas.. (wich he only did once) but yeah.. I dont know how long it would have taken me to think of that so thanks guys! we will see if it solves it completly or not.. I hope so!

:ylsuper: :boink: :bananasmi

I like mine with mustard and onions! (mhum mustard, some folks calls it a kaiser blade, but I calls it a sling blade mhum)

K.I.S.S. - keep it simple stoopid, I always keep that in mind when trying to troubleshoot.


I hope that was your problem, cause I would hate to have to eat crow after doing the bannanna dance!

I hope that was your problem, cause I would hate to have to eat crow after doing the bannanna dance!
Eat me what? lol :lol:

Eat me what? lol :lol:
:rofl: :rofl: :rofl: I thought about that like 5 minutes after I posted, and almost edited it out. No you're OK (we're not ready to pick out curtains together or anything), but I don't swing that way. I know you are dissapointed but time heals all wounds. :lol::sorry:

It's all good. I just couldn't figure out what I was missing in this thread. lol

^ What's missing is my hotdogs from Thor :lol: Send them next day air, and pack them with dry ice or something.... remember, mustard and onions. :rofl:

Mmmm Now I'm hungry for a hotdog... And not just any, its gotta be a ballpark one. lol