picking up new 92 MTX, a few questions

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zuup_2000

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Well, I am buying a 92 MTX. I have been reading alot of info on this site using the "search" feature. I have been into mustangs for a long time, but now its time for some SHO fun. After reading some info, there are a few questions I have for the SHO experienced folks.

Just FYI, I am an experienced mechanic, but I have never messed with these cars.

The car Im buying is a 92 MTX with about 180K on it. I bought it in non-running condition, and Im picking it up next week. It supposedly has had the 60K tune-ups done, but Im not trusting that much. Within the past two years, its had the following done to it. Clutch, plugs, wires, intake gaskets, valve cover gaskets(but still not sure if the service was performed), water pump, cam sensor, crank sensor, timimg belt, brakes, and a few other small things. The fuel pump has supposedly went south, so Im knowing I may need to replace the fuel pump unless its something else causing the pump not to function(Ill figure that out later).

Anyway, one of my questions is in regards to the rod bearings. Is there something in the design of the engine that causes them to wear fast? Should it be a definite change when I get the car? I wouldnt have thought about doing anything with rod bearings untill I read about it on here, so now Im thinking about doing it first thing. Ive always heard great things about the engines, but from what Ive been reading, they dont hold up to mileage very well.
With 180K on the engine and tranny (with no real history facts known) what should I do before it hits the road. Im used to dealing with the good old pushrod V8's, were you dont worry about rod bearings unless you have a knock :biggrin: .
Should I do the 60K service even though he said its been done?
Is there any way to tell if its really been done aside from gauging the valve lash?
 

MorpheusGPR

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Check the plug wells, if they are filling with oil then do the upper 60k...I would wait to do the lower until the water pump goes on it.

Mines an ATX so it might be different but one of the big things I want to do is change my tranny fluid and filter, at least drop the pan that is. Also I would like to add another cooler to it to help the stocker out.
 

Gen3

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I've heard the opposite. I've heard that they hold up very well to mileage I can't say from personal experience, though because my odometer has past it's limit before I got it (mebbe that counts because it is running) I'd be very doubtful of the 60k tuneup (or even the 3k tuneups for that matter) because it's such a pain to get to everything, so I'd suggest doing the 60k...(and the 60k is *not* cheap) something that I'm learning right now...
 

Rockledge

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Welcome to the SHO community.

Actually, the 3.0/3.2L Yamaha is quite a tough motor and will outlast most others with proper care.

On the other hand, I think the rod bearings on the SHO do take a little bit more of a beating then on many other engines, and I think one of the main reasons for that is RPMs. The Yamahammer is a higher-revving engine than most, and we aren't exactly talking a about a 1.8L soda bottle here.

I'm one of many people around here who think that replacing the rod bearings is on par with 60K work in terms of importance, maybe even more so.

:wave:
 

gbizzle27

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Since your have some experience with cars you should do the following.
Full 60k, this will increase performance of the engine and reliability.
ROD BEARINGS, if you dont know when they weren't last changed change them, dont take a chance like i did.
Change transmission fluid with high quality ATF (ex. mercron v, Mobile 1 synthetic)

Then you should be ready to go.

Welcome to the community.
 
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