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Resolved 2G Engine Rebuild

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RubyEclipse

Proven Member
699
264
Feb 2, 2025
Delhi, California
Hello everyone! I just purchased my 1996 Eclipse GST a few months ago, had some issues with a few different things. Most recent was car was smoking and running very uneasy, so I decided to pull the engine. I am going to do a full engine rebuild-ish, I bought new wisco heads, still looking at the rods I want, if there’s anything anyone thinks I should buy and upgrade I would love help! Trying to push more power but not an insane amount seeing how I want this to be more of a daily but not quite. Thank you guys!
 
JB Weld may be your friend.
i think so too, I was wondering, if perhaps anyone might know where i can find the radio wiring diragam? My car has the infinity sound system so i can find a single harness, so im going to just splice and plug. Can also start a new thread if you guys want. Thank you all!! LOL)
 
I stole this

2G 1995-1996 DSM Electrical Factory Service Manual

This is the 1995-1996 Mitsubishi Eclipse / Eclipse Spyder Factory Service Manual covering:Electrical172 pages - 5MB -- use the link below to access.Here is the direct link from my Google Drive - You must be registered to see element.
www.dsmtuners.com


2G 1997-1999 DSM Electrical Factory Service Manual

This is the 1997-1999 Mitsubishi Eclipse / Eclipse Spyder Factory Service Manual covering:Electrical - Volume 2540 pages - 24MB -- use the link below to access.Here is the direct link from my Google Drive - You must be registered to see element.
www.dsmtuners.com
 
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2G 1995-1996 DSM Electrical Factory Service Manual

This is the 1995-1996 Mitsubishi Eclipse / Eclipse Spyder Factory Service Manual covering:Electrical172 pages - 5MB -- use the link below to access.Here is the direct link from my Google Drive - You must be registered to see element.
You must be logged in to view this image or video.
www.dsmtuners.com

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2G 1997-1999 DSM Electrical Factory Service Manual

This is the 1997-1999 Mitsubishi Eclipse / Eclipse Spyder Factory Service Manual covering:Electrical - Volume 2540 pages - 24MB -- use the link below to access.Here is the direct link from my Google Drive - You must be registered to see element.
You must be logged in to view this image or video.
www.dsmtuners.com
Thank you!!!
 
This is the proper plug for the head oil galley. Notice it's SHORT so it doesn't block oil from getting to the lash adjusters and uses a crush washer to seal. Originally, the turbo was fed oil from this port with a banjo bolt fitting. It is "restricted" and doesn't flow full motor oil pressure, which, in your case, was lucky, again.
Marty

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This is the proper plug for the head oil galley. Notice it's SHORT so it doesn't block oil from getting to the lash adjusters and uses a crush washers to seal. Originally, the turbo was fed oil from this port with a banjo bolt fitting. It is "restricted" and doesn't flow full motor oil pressure, which, in your case, was lucky, again.
Marty

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Yep, I grabbed the old one off my old head and put it on.
 
So update on the car, turns out my pulley for the water pump, not thr immediate one but the one in front of it, the alternator belt. That pulley was bent. So the belt came off, so I got a new pulley and put it in, same exact one and everything, but I’m looking back at my belt and something looks off, the pulleys, don’t line up at all. They’re like an inch off… why is this? Could it be the new water pump or what?

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So update on the car, turns out my pulley for the water pump, not thr immediate one but the one in front of it, the alternator belt. That pulley was bent. So the belt came off, so I got a new pulley and put it in, same exact one and everything, but I’m looking back at my belt and something looks off, the pulleys, don’t line up at all. They’re like an inch off… why is this? Could it be the new water pump or what?

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The other belts are connected perfect. I noticed that the pulley in my hand is a 1G and the one I have on the car is a 2G, could this be the reason?

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Alright soooo! New problems. 😎 surprised? I’m not. I don’t mind it though, anyways. Started up great, took it down the road, had almost like little popping when I’d press on the gas, would jerk the car quite a bit, so I’m thinking maybe injectors? But I don’t know anything still. Then, when I was on my home, was going around a turn, can dies. Was jerking back and forth horrendously, white smoke out of the exhaust, Tons out of the hood, I parked it, popped the hood, and my eyes were sizzled from all the smoke. Smokes source is from the intake manifold area, and it was alotttt! Car’s temperature is good, oil levels, oil temp, so on. I don’t know exactly what would be causing almost misfiring I’d say, white smoke, and just flat out dying if I let off the gas it put in neutral. So sorry to keep bugging you all, but I can’t thank you enough for your help, time and patience with me. You guys are all my number 1 supporters and I really do appreciate you all. Anyways, let me know what you guys think or what I should try. Thank you so much!

The cars coolant has been emptied out. I am praying it’s not a head gasket. I am going to check the oil when I get home, i think it’s ok but we shall see.
 
Sounds like a head gasket.

Oil and coolant do not necessarily have to mix when the head gasket blows. The last time I had an event like this, I could squeeze the upper radiator hose and could hear air pushing out between the head and block beneath the intake manifold. No mixture of the two fluids, which was some level of silver lining.
 
Sounds like a head gasket.

Oil and coolant do not necessarily have to mix when the head gasket blows. The last time I had an event like this, I could squeeze the upper radiator hose and could hear air pushing out between the head and block beneath the intake manifold. No mixture of the two fluids, which was some level of silver lining.
Are you sure you had white smoke out exhaust? Or just under the car? Brian had a point. You did sequence the bolts down and torqued to spec? Explain how you did it all.
 
Sounds like a head gasket.

Oil and coolant do not necessarily have to mix when the head gasket blows. The last time I had an event like this, I could squeeze the upper radiator hose and could hear air pushing out between the head and block beneath the intake manifold. No mixture of the two fluids, which was some level of silver lining.
Gosh dang it. Ok, I will try that and see. There was definitely smoke from my exhaust it was a ton coming from it, if it is my head what did I do wrong? I torqued it all to spec and in sequence.
 
If it ends up being the head gasket, you should review your installation steps, like Paul mentioned.

Did you use studs or head bolts? If bolts, were they new?
What was the sequence you used and what final torque did you tighten them to?
What gasket did you use?
 
If it ends up being the head gasket, you should review your installation steps, like Paul mentioned.

Did you use studs or head bolts? If bolts, were they new?
What was the sequence you used and what final torque did you tighten them to?
What gasket did you use?
I used studs with the nuts they came with. They’re new ARP studs and nuts. I used the sequence from my manual book. The gasket was one off Amazon, nothing special.
 
Where are you at in your investigation? Do you have compression? Did you find the source of the steam? Have you pressure tested the coolant system?
I haven’t done any of those, I would love too but I don’t know how exactly. I just know smoke/steam from intake manifold area, and smoke from exhaust pipe. I want to do a compression test, but that I also don’t know how to do.
 
I haven’t done any of those, I would love too but I don’t know how exactly. I just know smoke/steam from intake manifold area, and smoke from exhaust pipe. I want to do a compression test, but that I also don’t know how to do.
Google is your friend. It's simple to test. You can get loaner tools from Autozone/Local auto parts store to help.
 
This way to check is not always working but it's worth to try since it's the easiest way and free..
If the smoke (steam) is caused by burning the coolant due to head gasket sealing issue, maybe you can see the coolant on the pistons. When the engine is cold in the morning, remove all the spark plugs and shoot the flashlight into the spark plug holes. If you see some sign of coolant on the piston(s), then head gasket sealing is the issue.
 
This way to check is not always working but it's worth to try since it's the easiest way and free..
If the smoke (steam) is caused by burning the coolant due to head gasket sealing issue, maybe you can see the coolant on the pistons. When the engine is cold in the morning, remove all the spark plugs and shoot the flashlight into the spark plug holes. If you see some sign of coolant on the piston(s), then head gasket sealing is the issue.
Ok yeah will do!
 
For those who regularly use ARP hardware: don’t ARP head studs have differing (higher) torque values than stock? Or is it user preference to go higher than stock spec?
 
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