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Mitsubishi 3000GT help

296 messages,  Last post on Nov 26, 2009 at 3:15 PM

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What is this discussion about? Mitsubishi 3000GT

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#220 of 296 1992 a/c not working correctly by walkup Jul 07, 2008 (10:48 am)
Hello,   My 1992 3000gt a/c is not working correctly. It will come on and work fine then the snowflake will turn to a red dot. I turn off the a/c all together and then turn it back on and the snowflake will come on again but then after about 25 seconds turns back to a red dot. I had the freon checked and it will not hold anymore so that is ok. Can you help? Replies to this message: dmonic (Aug 10, 2008 8:29 pm)
#221 of 296 Re: No Spark [jeffrey3000gt] by dusty911 Jul 12, 2008 (6:54 am)
Replying to: jeffrey3000gt (Jan 29, 2008 11:04 pm) i have a 1991 3000sl with 192,000 miles , around 100,000 while driving, i noticed the engine cutting in and out, took it to the dealer, they replaced sensors ,ecu, idle module and it still was missing took it back to dealer, they kept it for 3- days found a wire crack in a main power wire from somewere inside under dash from the ecu or another component i cain't remember , but after they ran a new wire the problem was fixed, to conclued they charged me for the sensors and a idle module approx; 295.00 i asked them to take out, and replace the two items i didn't need and put my old ones back they said they didn't have the old ones . The moral of the story if you have any work done at the dealer, tell the service manager to save all old parts and give them to you. In conclusion the" ceu" was a little over the year warrantee, so i got the new one free which i didn't really need !!! hope this helps your problem or someone else. Replies to this message: 3kgtvr4 (Jul 12, 2008 7:44 pm)
#222 of 296 Re: No Spark [jeffrey3000gt] - I have same problem! [freenow] by dusty911 Jul 12, 2008 (7:03 am)
Replying to: freenow (Mar 08, 2008 7:05 am) read my responce #221
#223 of 296 dead cylinder; any advise on do it your self valve job by dusty911 Jul 12, 2008 (7:13 am)
My 1991 3000gt SL has 191,000 miles been running on 5 cylinders for 20,000 won't DIE !!! thinking of doing the valves myself , i have done valves on other types of 4cylinder engines before, need to know if theres any tips or tricks i need to know about doing a valve job on the V6, any one who has done their own valves, your help is GREATLY APPRECATED, thanks, fellow 3000GT owner. Replies to this message: Mr_Shiftright (Jul 12, 2008 7:21 am)
#224 of 296 Re: dead cylinder; any advise on do it your self valve job [dusty911] by Mr_Shiftright HOST Jul 12, 2008 (7:21 am)
Replying to: dusty911 (Jul 12, 2008 7:13 am) It's generally not a great idea to do just a valve job on a high mileage engine. You might end up with an engine burning excessive amounts of oil.   But if you don't want to stand up for a rebuilt engine, the best approach in my opinion is to purchase a factory workshop manual either through Mitsu or eBay, and remove the heads and camshafts and have a qualified machine shop do the measurements and the machine work. If you could tow the vehicle to them so that they might check the cylinder bores, this would also be a good idea.   One problem is that by the time you machine and rebuilt heads and camshafts and get all the gaskets, tools, etc you will need, you might have been better off just buying some rebuilt cylinder heads.
#225 of 296 Re: No Spark [dusty911] by 3kgtvr4 Jul 12, 2008 (7:44 pm)
Replying to: dusty911 (Jul 12, 2008 6:54 am) If you got a new ECU for $300 then that is a good deal. From what it sounds like a 91 with that many miles you really could use one.
#226 of 296 converting sohc to twin turbo dohc by 3kgtsav97 Jul 14, 2008 (3:08 pm)
I have a 1997 3000gt sl and i am going to convert it into a twin turbo using the heads off of a stealth. are there any major problems to look for when i do the swap?
#227 of 296 hp by 3kgtsav97 Jul 14, 2008 (3:10 pm)
i was also wondering if there any little tricks that could get me a little more power if anyone knows of any.
#228 of 296 3000GT Twin Turbo Upgrade by 3kgtvr4 Jul 14, 2008 (3:17 pm)
You can find lots of in for on the TT upgrade at 3si.org. In the mean time you can open up your intake and exhaust for a few horse power.
#229 of 296 Re: Possible cracked block!! [allievrwanted] by 3kgtsav97 Jul 16, 2008 (11:36 am)
Replying to: allievrwanted (Jun 02, 2008 10:14 pm) if ur putting out white smoke from the engine it could be just a leak in the head. u might try to replace the gaskets or just tighten down the head bolts. i had the same problem and it turned out to b the head bolts were loose.

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