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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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09-08-2012, 07:52 PM | #1 |
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SR motor 'suddenly' off center
Hey guys.
quick back story, i had the shitty yellow mounts that that dude on here makes (dont buy them, they are shit)- and i still think they are, sorry bros. this happened at an event, no crashing, just good ol drifto: on the way home, a 5 hour drive, the exhaust falls off (wut) just a stock exhaust. must have sheared the bolts, and broke the rubber hangers. my luck was pretty shit. (at the time i didnt know i had the busted mounts. i limp it home and notice that suddenly, putting it into 5th hits the shifter trim on the inside of the car. i get it in the air and notice the mounts are broken, and when inspecting the tranny mounty, find that it has sheared the bolts holding the mount on. sick. so i put on stock mounts, but when i go to bolt up the tranny crossmember, it takes all me and my friends force to get the holes to line up (its way off, like way off...) and we use a crowbar to pull it over and bolt it up. something is obviously wrong... i go to do a little spin. and after the first drift, the shifter is back over again. so i took some pics, maybe you guys will notice i installed something wrong (the motor mounts backwards or upside down or some stupid shit). any ideas?
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Last edited by Drifting-pedobear; 09-09-2012 at 05:46 PM.. |
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09-08-2012, 09:23 PM | #2 | |
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09-08-2012, 10:45 PM | #6 |
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Loosen the mounts, try to support the engine off cross member w/ something and get a pry bay to push the tranny towards the driver side. That should help get it back centered.
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09-08-2012, 11:25 PM | #7 | |
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the fuck is a mount bracket? you mean crossmember? or where its being considered. yea, but it will just go back after that: there is massive tension on the motor pushing it to the side coming from the front somehow/where.
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Last edited by Drifting-pedobear; 09-09-2012 at 05:47 PM.. Reason: removed this becuase i was WRONG: , and the dude who makes them had never even used them/seen a 240... call em what you want, |
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09-09-2012, 01:46 AM | #8 | |
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B. A mount bracket is the actual bracket the mount bolts to, which is in turn bolted to the side of the engine.
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09-09-2012, 11:34 AM | #10 |
My ca18det is also slightly off center like this one, but nothing is bent or changed. Cant find anything wrong on my car, nothing bent like on the pictures above..
Other then my engine and transmission mounts then. Picture of the mounts i got: http://www10.pic-upload.de/09.09.12/wdxjqq52fuco.jpg |
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09-09-2012, 11:47 AM | #11 |
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Yep, that crossmember needs to be replaced...
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09-09-2012, 12:45 PM | #12 |
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wow that x-member is FUCKED.
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09-09-2012, 02:15 PM | #13 | ||
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So your cross member being bent is most likely the cause of the mounts breaking. If you look at the stock mounts they are tweaked to and are not going to last long.
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09-09-2012, 03:39 PM | #14 | |
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Your Cross-member/Subframe is bent to hell. Seeing how the rest of you undercarriage is bashed to hell. I wouldn't doubt other things are bent also. Seeing how bent the stock mounts are sitting I am sure they will fail too.
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09-09-2012, 04:49 PM | #16 |
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Hmm first off it looks like you went off track in a drift and smashed the underside of your car bending the crossmember and other things. I can guarantee an engine mount faliure would not bend a crossmember.
You are trying to say that the mounts broke and the crossmember bent? Ah that is a big stretch. Oh and did you have a heat shield on them or heat wrap? Like I tell everyone who buys them to do? If you did not than ya failure can happen because Turbos get damn hot. Even stock mounts without heat shields can melt from Turbo heat. That is why the factory puts a heat shield even on non turbo engines. Second off, Those are Yellows which are at least 2 years old. I don't even make those anymore. Now I know you say it just happened at an event, but you know what I warranty my mounts. They have a limited manufacturers warranty against workmanship defects. Now obviously you have been tracking and drifting your car for awhile on them. No manufacturer warranties a product for track use due to the fact that other circumstances can cause failure. Here it clearly looks like that. Did you even buy them from me. If so It would have been over year ago at the latest. Plus you did not even contact me before posting. You do not know or know how many 240's I have owned and own and the fact that indeed I have driven my car with my mounts. You make some pretty slanderous accusations here. I am sorry but I will say it again mount failure will not bend a crossmember that takes an accident at some time and judging from your pics your crossmember has been been for awhile as there is surface rust. That could easily alter the situation especially if your trans mount had failed which you claimed it did.
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09-09-2012, 05:05 PM | #17 |
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Your crossmember is fucked because you bent it and those mounts are awesome btw have the green ones on my car and they're perfect. Were you even using anything heat resistant on them?
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09-09-2012, 05:44 PM | #18 | ||||||||
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im thinking this might be the case as well. yea, pretty baws. Quote:
but it doesnt change that they are crappy, and the design is poor. and im not the only one to have this happen, not even close. Quote:
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naw, never flown off track, but i have bottemed out plenty, but that is common enough. im not saying that they broke the crossmember... im saying they broke, period. im sure that something went wrong and they broke, but i was just unimpressed with the quality of the material and design. if i had stock mounts they would not have broken. i had them heat wrapped, you can see it in the picture. i also have a heat shield on my turbo. i bought the mounts after someone bought them from you, and one broke at the first event, then you replaced it, so they were new when i got them. its was 1 year agoish. i understand, its a track product and whatever. but they only need to hold a motor, and unless im flying head first into a wall, they should hold just fine. i didnt contact you because it doesnt matter, im not posting in your review thread, leaving neg rep or whatever dumb shit i can do; im just giving my opinion that they were not good, and moving on. thread is about why my pile of shit is being extra shitty. i was totally wrong about you never seen a 240, that was another person, apparently, i just got my gossip mixed. i do apologize for that. but i still thing the design is poor, and the materials are mediocore. but i dont care, its whatever. again, not saying it was the mounts failing that damaged my corssmember, the mount failure was caused by something, which in turn, probably caused the tranny bolts to shear. but i still think they are designed poorly. regardless of how many bros claim they are the shit and make them drift hella hard sick. Quote:
are they? my mistake, i had no idea how jawls they really are!! tell me about how much extra jawls baws your drifts are!! yes i was, obviously...
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09-09-2012, 05:51 PM | #19 |
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Your mounts should be at around a 45* the stock mounts in your picture looks almost 90*
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09-09-2012, 06:18 PM | #21 |
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lol. subing to this shit.
The engine/trans attaches in 3 locations. The item that 2 of them attach to has major damage, and you don't think that is the reason that your mounts have failed? |
09-09-2012, 06:26 PM | #23 |
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please, its a fucking massive brace, having the bottem peeling up from being low is nothing, its not a single piece after all, the bottem part peeling off is not structural really. many people whos cars are low have there shit scrapped up, this isnt news.
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09-09-2012, 06:31 PM | #24 | |
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09-09-2012, 06:31 PM | #25 | |
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i think that may have been a reason yes, but im not replacing that till ive ruled out other shit. man, does no one believe in low cars anymore? blowing up road turtles isnt a game, its a lyfestyle.
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09-09-2012, 06:36 PM | #26 |
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oh please, this aint even bad. yea its all mangled, but guess what, the lower plate holds nothing on, its just a metal sheet. im not saying that it isnt the issue. but seriously, ive seen worse. if this thread is such a head sore, i have some crazy advice; dont come in here. boom.
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09-09-2012, 06:41 PM | #27 | |
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Now I'm no engineer, well actually....but I'd guess the tweaked crossmember put the mounts in a position where they were subject to force that was not intended, thus busting the mounts. THIS IS MY THOUGHTS/OPINION, PLEASE DON'T HATE ME FOR TRYING TO HELP
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09-09-2012, 06:42 PM | #28 |
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you have MODERATORS giving you advice on what the problem is and you dismiss them. give me a break. you've had a 240 since what? 2009? and moderators have had 240s for how long? Seriously?
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09-09-2012, 06:50 PM | #29 | ||
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ive seen worse, but its pretty boss. apparently people think im in denial about it, but i also think it might be the issue, but i also think it might not. maybe its just the pircute, but you have to understand, the bottem is bent up, but the top looks still straight, the mounting points arent ovaled, bent, crooked, the bolts and sitting right... im just still skeptical. but since no one has seen any obvious things that i messed up when doing this (i was in a hurry) then ive narrowed it down to only a few things; one being the crossmember. Quote:
where did i disagree with a mod (btw, mod=automatic 240 mechanic god) because it looks like ive agreed with all posts by them... lots of questions you. so curious, i like that in a man... ive had one since 2009. and i still dont have a clue about them. but i know people who have had them since idk, 2008, and know everything about them. your logic suggest that my 78 y/o firends neighbor, who has had a 240 since 91 must know everyhting about it!! shit, i should ask her about my issues!! god your sexy when youre right.
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09-09-2012, 07:26 PM | #30 | |||
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btw, BOTTEM is not a word. it's BOTTOM. I was going to give you the benefit of the doubt that it was a typo but you did it twice in a row. |
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