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Car Forum / Mitsubishi Cars / June 20074G63T SMOKER to stroker...
Today I got the 4G63T smoker out and pulled it down to see last November's new pistons and rings rattled and smoked. The bore was (supposedly) lightly honed by two guys who I thought knew better, after all they work on a couple of EVO8's and know Mitsubishi well. Well, hone job was a bit severe. The top 18mm of the bore is tapered, you can see it and feel it with your finger. To put that into perspective, 18mm down the piston is just above the oil rings. No wonder the piston slap was so bad: the compression rings were barely doing their job once the piston reached the last 18mm of stroke. The only solution is of course a rebore, and doing the assembly myself. So ... on with the 4G64 stroker crank and 2.3L. Stewart DIBBS www.pixcl.com/lancerproject > Today I got the 4G63T smoker out and pulled it down to see last > November's new pistons and rings rattled and smoked. [quoted text clipped - 7 lines] > their job once the piston reached the last 18mm of stroke. The only > solution is of course a rebore, and doing the assembly myself. There is nothing unusual about a Mitsubishi engine smoking. Here, when one is driving and gets a whiff of burning engine oil from a car in the traffic ahead, a popular game for my children is to guess what kind of car is making the smell. Invariably it is either a Mitsubishi of some kind (Magna/Galant/Colt) or a Mazda. Even my 3 year old son knows that Mitsubishi engines are smokers. > There is nothing unusual about a Mitsubishi engine smoking. Hmm, it seems that trolls can't read either. Any engine that gets the cylinder bores tapered will smoke. Stewart DIBBS www.pixcl.com/lancerproject >> There is nothing unusual about a Mitsubishi engine smoking. > > Hmm, it seems that trolls can't read either. Any engine that gets the > cylinder bores tapered will smoke. I read well thank you. Of course any engine will smoke if the bores are like you say they are. I was just pointing out the important detail that it was also a _Mitsubishi_ engine. I will thank you for not referring to me as a troll. I am a citizen of this Mitsubishi channel just like you, but our point of view differs (you like Mitsubishis and I don't). It is unlikely that the countless other smoking Mitsubishi engines operating on the world's highways are all suffering from bad hone jobs. They usually smoke because of high wear rates on their rings, or premature valve guide wear. Just today on aus.cars a guy posted this.... >Followed a near new Mitsi Magna today (3.5 Litre) which appeared to be >around one to two years old. When the guy took off at the lights the damn [quoted text clipped - 3 lines] >smoke at such an early stage in life. If it got a rebuild would the engine >last longer or are they just prone to engine wear? >Trying not to sound like a troll here but I was VERY surprised when the car >blew so much smoke. >>> There is nothing unusual about a Mitsubishi engine smoking. >> Hmm, it seems that trolls can't read either. Any engine that gets the [quoted text clipped - 23 lines] >> Trying not to sound like a troll here but I was VERY surprised when the car >> blew so much smoke. Hey there Mr Bat Grunt, pretending to know something about cars again?  SignatureGyz 07 Saturn Sky 98 Dodge Status ES 94 Mitsubishi Eclipse GST > Hey there Mr Bat Grunt, pretending to know something about cars again? I am not an automobile technician or whatever they like to call themselves these days but I have worked on plenty cars both out of necessity and enjoyment. Just last week I replaced the balljoints and lower control arm bushes on my own car. I know plenty enough to recognize sh.t when I see it. Mitsubishi is the epitome of automobile sh.t. Even you know that, but being a Mitsubishi owner you are in denial. > I am not an automobile technician or whatever they like to > call themselves these days but I have worked on plenty cars > both out of necessity and enjoyment. Just last week I > replaced the balljoints and lower control arm bushes on my own > car. What make, model and mileage? John >> Hey there Mr Bat Grunt, pretending to know something about cars again? > [quoted text clipped - 6 lines] > epitome of automobile sh.t. Even you know that, but being a Mitsubishi > owner you are in denial. Wrong- I used to own an AMC Gremlin - THAT was the epitome of automobile sh.t! No wait, maybe it was the VW microbus that I pulled the engine about 6 times. I got it it was the AUDI diesel that died with only 125K on it. OR maybe the Nissan pickup that I replaced the transmission on twice within 150K? I know - it has to be my wifes Volvo that just turned 100K and costs us $500 everytime the dealer looks at it! Sorry you got burned somehow with a Mitsubishi, but I have had two with over 130K with no major problems - and they have been the infamous crankwalk 2G's! >>> Hey there Mr Bat Grunt, pretending to know something about cars again? >> I am not an automobile technician or whatever they like to call themselves [quoted text clipped - 19 lines] > 130K with no major problems - and they have been the infamous crankwalk > 2G's! I doubt Mr Bat Grunt has ever owned a Mitsubishi. He probably dislikes them because they keep blowing his POC off the road. SignatureGyz 07 Saturn Sky 98 Dodge Status ES 94 Mitsubishi Eclipse GST > Wrong- I used to own an AMC Gremlin - THAT was the epitome of > automobile sh.t! American cars are in a different league again - they don't bear consideration at all. Here in Australia there are virtually no US cars except for the odd w.nker in a Chrysler 300C and one of those stupid retro looking things. With few exceptions, your domestic cars are crap. On the odd business trip to the US it is always amusing to drive domestic rental cars, the most notably sh.t rental I ever drove was a Ford Taurus. Mitsubishi are a level above US cars for sure, but we are not considering US cars here. > No wait, maybe it was the VW microbus that I pulled the engine about 6 > times. When I was a youngster I had a sucession of VW bugs. They were all very reliable and simple to work on. I pulled the engines out of a couple of them to replace clutch throwout bearings mainly. > I got it it was the AUDI diesel that died with only 125K on it. OR maybe > the Nissan pickup that I replaced the transmission on twice within 150K? > I know - it has to be my wifes Volvo that just turned 100K and costs us > $500 everytime the dealer looks at it! The Euro diesel probably died because the fuel available in the US f.cked the pump or its injectors. It is very unusual for a diesel of any make to die at that mileage so it was probably abused in some way. Did you change the oil and filters at the proper schedule? It sounds like operational abuse to have to replace a box twice, unless the replacement box was defective in some way. > Sorry you got burned somehow with a Mitsubishi, but I have had two with > over 130K with no major problems - and they have been the infamous > crankwalk 2G's! The only Mitsubishi products I have ever consciously purchased were two 8" floppy disk drives way back in '81. I have never owned a Mitsushitty car and will never do so. I have known plenty of people who have been burned though. > I know - it has to be my wifes Volvo that just turned 100K and costs us > $500 everytime the dealer looks at it! My boss, who has a v70T5 wagon, says "...old Volvos never die, they just suck the life out of their owners". SD >> Hey there Mr Bat Grunt, pretending to know something about cars again? > [quoted text clipped - 6 lines] > epitome of automobile sh.t. Even you know that, but being a Mitsubishi > owner you are in denial. Lawns have bushes. You would be much happier doing something constructive and positive with your life. Just think, you could become well respected rather than being a joke. SignatureGyz 07 Saturn Sky 98 Dodge Status ES 94 Mitsubishi Eclipse GST >> Hey there Mr Bat Grunt, pretending to know something about cars again? > [quoted text clipped - 6 lines] > epitome of automobile sh.t. Even you know that, but being a Mitsubishi > owner you are in denial. My Mitsushitty has 107,000 miles on it, and still has the original ball joints and bushings. My piece of crap and grossly inferior American Dodge has 137,000 miles on it, and the original ball joints, bushings, and shocks. Who is in denial? SignatureGyz 07 Saturn Sky 98 Dodge Status ES 94 Mitsubishi Eclipse GST Stewart, so what kind of progress are you making? > Stewart, so what kind of progress are you making? Well, I have to get the car back on the road, so I'm rebuilding the 4G63 stock. 2.3 or 2.4 would be nice, but it won't happen this year. The issues are another $1200 or so to do a stroker, and I really can't justify it. - Have to buy a 6 bolt 4G64 for the crank - Buy Wiseco pistons ($500) - In a 4G63 stroker, the compression ratio is 8.8, and hard to get Wiseco to do 7.8-8.0 versions because of compression height issues. - Can rebuild the 6 bolt 4G64 (or my old 7 bolt from the Expo) but would have to put in oil squirters and do various other machinings to fit the DOHC head. - the 4G64 is 6mm higher that the 4G63, and hood clearance is very tight. Not insurmountable but just one more thing to handle. - I spent $700 getting the front bumper bar, center member, top engine mount and 40 odd other bits sandblasted and powderpainted to slow down the rusting. - There's the final AWD conversion costs coming up too. And lets not forget "she who must be obeyed" has to be convinced its all a good idea. Stewart DIBBS www.pixcl.com/lancerproject |
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