Sold the Z yesterday

Akmcmahon · 02-19-2012, 07:02 PM

Quote:

Originally Posted by gsxr750

I had a turbo 300zx anniversary edition , and the previous owner had the turbo rebuilt 2 times in only 40k miles.

My brother had a turbo diesel ford 2007 f350, he did the turbo remap and bigger exhaust, started having excessive carbon build up in the intake, and turbo, also started having injector problems. Major problems at only 30k miles.

The simple facts with turbos,
1. Turbine is proned the early failure due to the tremendous temperatures they operate at and also get impeller wear and bearing failure.
2. Internal engine components are subjected increased stress, due to the increased power made by the turbo.
3. Doing remapping and increasing HP out to the turbo, you have to make sure by doing so that you are not exceeding the design limits of the engines internal components.

I would always take a larger cubic inch normally aspirated gas engine over a small high output turbo any day of the week.

Diesels do have their place for towing or in industrial or 18 wheelers etc. but not in cars.

Then you have the added cost of diesel over pump gas.

Sounds like your family is cursed. Turbos are no less reliable than NA cars. Most get better gas mileage. Diesels are more reliable than petrol and last longer. My TT Supra converted to a single running 29psi ran without issues until I sold it at 90k miles. My Evo 8 running 22psi ran perfect. Every one I know has never had any issues outside the norm with a turbo engine and almost all have been modified.

Sucks you and your brother had problems, but that's far from fact to justify making a blanket statement like that. I will agree, however, that tuning needs to be done smart. Exceeding the threshold of your engine's capacity will of course cause damage and things to fail. But that's true for any type of motor.

kenchan · 02-19-2012, 07:05 PM

This thread.

TerribleONE · 02-19-2012, 07:11 PM

Definitely a different kind of ride but I am a diesel fan and totally believe you could squeeze 40+ MPGs out of it. Definitely not a drivers car like the Z though

SS66 · 02-19-2012, 08:13 PM

It has been a few + years but I owned one Bimmer in my life. Had a black on black 635 M6 and loved the hell out of it. The only thing I did not like was repair cost. When I did have a repair it was costly. Costly = blanket statement

slammiam · 02-19-2012, 08:49 PM

Quote:

Originally Posted by TerribleONE

Definitely a different kind of ride but I am a diesel fan and totally believe you could squeeze 40+ MPGs out of it. Definitely not a drivers car like the Z though

Surprising to read that statement...this is definitely a drivers car.

Jeffblue · 02-20-2012, 01:24 AM

Quote:

Originally Posted by slammiam

Surprising to read that statement...this is definitely a drivers car.

i love my 335xi

they handle really nice. obviously they lack that raw sports car feel of the 370z but that is to be expected since they aren't sports cars

r1eater · 02-20-2012, 08:33 AM

Quote:

Originally Posted by gsxr750

I had a turbo 300zx anniversary edition , and the previous owner had the turbo rebuilt 2 times in only 40k miles.

My brother had a turbo diesel ford 2007 f350, he did the turbo remap and bigger exhaust, started having excessive carbon build up in the intake, and turbo, also started having injector problems. Major problems at only 30k miles.

The simple facts with turbos,
1. Turbine is proned the early failure due to the tremendous temperatures they operate at and also get impeller wear and bearing failure.
2. Internal engine components are subjected increased stress, due to the increased power made by the turbo.
3. Doing remapping and increasing HP out to the turbo, you have to make sure by doing so that you are not exceeding the design limits of the engines internal components.

1. Wrong, they are not anymore prone to early wear out than any other component in the motor.

2. How is this any different than any other power adder? Also the motors are built to higher tolerances than the OEM spec, this is what professional tuners take advantage of when they tune.

3. Again if done correctly the the motor is fine, but thats true about anything. Reminds me of the old days when these young kids would get manual boost controllers installed and manually crank the boost up then blow their motors/turbos.

Quote:

Originally Posted by Akmcmahon

Sounds like your family is cursed. Turbos are no less reliable than NA cars. Most get better gas mileage. Diesels are more reliable than petrol and last longer. My TT Supra converted to a single running 29psi ran without issues until I sold it at 90k miles. My Evo 8 running 22psi ran perfect. Every one I know has never had any issues outside the norm with a turbo engine and almost all have been modified.

Sucks you and your brother had problems, but that's far from fact to justify making a blanket statement like that. I will agree, however, that tuning needs to be done smart. Exceeding the threshold of your engine's capacity will of course cause damage and things to fail. But that's true for any type of motor.

I completely agree. This sort of thinking reminds me of how people feel towards running Nitrous. People that do not know how to properly do it will blow their motors however done correctly its 100% fine.. Most times you will hear people say its dangerous and how a cousins, brother, uncles, sisters, person she knows had their motor rebuilt due to that evil Nitrous....

shadoquad · 02-20-2012, 08:40 AM

Quote:

Originally Posted by slammiam

Surprising to read that statement...this is definitely a drivers car.

BMW's generally have fantastic driving feel. Any 3 series is more or less a drivers car. It might not be as fast as a Z around corners, but it would still be a heck of a lot of fun to drive.

Sorry to see the Z go, but a 335d sounds like a great car

KillerBee370 · 02-20-2012, 08:55 AM

Congrats! Sounds like you're happy with the decision.

Side note 1. I've owned a stage 1 turbo car (Evo IX) and surprise surprise... not one problem (other than that big truck demolishing it at a stop light)

Side note 2. How the hell did you sell the Z?! Voodoo magic?? I couldn't get rid of mine for 24.5K!!!! WTF.

Side note 3. IBTL

Mt Tam I am · 02-20-2012, 09:44 AM

Quote:

Originally Posted by kenchan

This thread.

UNKNOWN_370 · 02-20-2012, 10:57 AM

There's a saying that matches perfectly for this thread.

Opinions are like a$$holes... everybody has one. This is definately a personal preference issue with no right or wrong. And turbo-diesels are pretty reliable. Its turbo sports cars that test reliability due to higher boost ratios. I'm not sure what is going to happen when op chips a diesel cuz I have no experience there... but good luck to ya.

UNKNOWN_370 · 02-20-2012, 11:00 AM

Quote:

Originally Posted by KillerBee370

Congrats! Sounds like you're happy with the decision.

Side note 1. I've owned a stage 1 turbo car (Evo IX) and surprise surprise... not one problem (other than that big truck demolishing it at a stop light)

Side note 2. How the hell did you sell the Z?! Voodoo magic?? I couldn't get rid of mine for 24.5K!!!! WTF.

Side note 3. IBTL

Hahahahaaaaa... I would call a truck demolishing your car a serious problem... lol.
Thank god you're ok and you are here to tell this bit of info in an entertaining manner instead of a horror story.

Jeffblue · 02-20-2012, 11:04 AM

Quote:

Originally Posted by shadoquad

BMW's generally have fantastic driving feel. Any 3 series is more or less a drivers car. It might not be as fast as a Z around corners, but it would still be a heck of a lot of fun to drive.

100%

Jeffblue · 02-20-2012, 11:05 AM

Quote:

Originally Posted by KillerBee370

Congrats! Sounds like you're happy with the decision.

Side note 1. I've owned a stage 1 turbo car (Evo IX) and surprise surprise... not one problem (other than that big truck demolishing it at a stop light)

Side note 2. How the hell did you sell the Z?! Voodoo magic?? I couldn't get rid of mine for 24.5K!!!! WTF.

Side note 3. IBTL

really? i traded mine for 29k. you didn't have a dog poop all over your interior before selling it, did you?

ImportConvert · 02-20-2012, 11:32 AM

Quote:

Originally Posted by Pharmacist

really? where i live diesel is always a bit cheaper than gasoline

Then you live in a rare, rare place.

BMW makes a very nice car. I have friends who own them. Some sucked, and some ran forever with not a single problem. The one's that sucked ran the gamut from M3's, to base 3'series.

The car is very expensive to own out of the warranty period.

There is a reason BMW/Mercedes now offer free maintenance basically while under warranty.

Very nice cars, and different from your Z. Enjoy it, but sell it about 6 months before the warranty is up. Diesels of any make other than old farm trucks are $$$$$$ to work on when it comes to the fuel system, etc.

02-19-2012, 07:11 PM	#18 (permalink)
TerribleONE A True Z Fanatic Join Date: Jan 2009 Location: Socal Posts: 10,203 Drives: WOT Rep Power: 5850	Definitely a different kind of ride but I am a diesel fan and totally believe you could squeeze 40+ MPGs out of it. Definitely not a drivers car like the Z though __________________ 638WHP 541WTQ @ 13.5PSI Build thread

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02-20-2012, 10:57 AM	#26 (permalink)
UNKNOWN_370 A True Z Fanatic Join Date: Jul 2009 Location: ny'r livn in tx Posts: 8,687 Drives: well over 130m.p.h. Rep Power: 14857	There's a saying that matches perfectly for this thread. Opinions are like a$$holes... everybody has one. This is definately a personal preference issue with no right or wrong. And turbo-diesels are pretty reliable. Its turbo sports cars that test reliability due to higher boost ratios. I'm not sure what is going to happen when op chips a diesel cuz I have no experience there... but good luck to ya.