The worst mod you ever did to your twin?

[brzzy]

LWCP.

For the amount of effort that's required it's just not worth it. I would've rather have done SS brake lines for the same money.


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[Shinigami301]

The scary aspect of some "obvious" mods, like LWCP, is the potential for non-obvious induced problems. Resonances that lead to internal parts failures for example.

When you consider the amount of testing a factory puts into things like cycle stresses and part life expectancy, you need to tread with some care when making some mods.

[nikitopo]

Originally Posted by Shinigami301

The scary aspect of some "obvious" mods, like LWCP, is the potential for non-obvious induced problems. Resonances that lead to internal parts failures for example.

When you consider the amount of testing a factory puts into things like cycle stresses and part life expectancy, you need to tread with some care when making some mods.

Do you have some evidence on this? I've not seen yet a single post saying clearly that the engine failure was because of a LWCP. On the contrary, I've seen numerous posts about issues on material failure, bad tunes, FI modifications and so on. I can understand someone saying that he didn't see an improvement. All that glitters is not gold, but on the engine failures side we should not be hypocrites and mentioning about scary aspects. Someone was scared in the past and asked about this. The result was to install his LWCP back. Check here: http://www.ft86club.com/forums/showthread.php?t=79308

If you have to share some facts, I am all ears

[Shinigami301]

Let me ask you, do you feel that Subaru's engineers specified a damper in the OEM pulley FOR NO GOOD REASON? Just to add cost?

Or could it be that there is a sound reason to have a properly engineered component in that application? One based on extensive testing and knowledge, as opposed to some CAD jockey in China "designing" an aluminum pulley?

What is YOUR evidence that Subaru's design is unnecessary? (A forum thread is NOT evidence. It's an unqualified opinion, with absolutely no accountability)

[Amputechture]

Bought a set of Bilstein B14s used for $550 about four months ago and just got around to installing them this past Sunday. The stock top hats were included with them and as soon as I took that tab off that allows you to see the strut nut I saw that it was stripped to hell and back. Put them on along with front camber bolts and Rear LCAs. Drove around the block and it felt like I was driving on ice and sounded like popcorn was popping underneath my car both front and back. Contacted the seller and he told me just to put a washer underneath the nut because it's probably out of threading. Had to borrow an impact gun to get the strut nut off and there already was a washer and plenty of threading. I've driven cars with out of wack alignments but nothing like this, it felt like I was wrestling a gator just to keep the car in a straight line at 35 miles an hour. Spent all day fucking with the suspension just to have to swap back to OEM, and I probably need an alignment now. Do it right or buy it twice, I will never buy anything used again unless it is local and I can inspect it.

[Figo]

Tower bar in Trunk: Useless, dead weight, space killer, have to remove every time in order to remove spare tires on track day.

Intake: just for look. And replace it when I got supercharger.

Climate control knob cover.

Rota wheels: Replaced with TE37SL. However I learn from these wheels. I got 18X8.5 rotas, and change to 18X9.5 TE37sl. If I got TE37SL at the begining, I might got 8.5 in stead of 9.5. I prefer 9.5 ibetter than 8.5 now.

[Lantana frs]

Originally Posted by Shinigami301

The scary aspect of some "obvious" mods, like LWCP, is the potential for non-obvious induced problems. Resonances that lead to internal parts failures for example.

When you consider the amount of testing a factory puts into things like cycle stresses and part life expectancy, you need to tread with some care when making some mods.

My first motor lost a rocker at 25k. When Toyota found out I had a lwcp they instructed the mechanic inspect crank bearings. Short block was replaced and I had to bring oem pulley in for installation. Toyota did me a biggie by doing this under warranty.

[Shinigami301]

You see, here's the reality. The engineers are tasked with nickel-and-diming every aspect of this kind of product.

Everything from the thickness of a journal to the surface finish on a sliding pin is tested to a degree that would slack-jaw the average person. The goal is to meet the requirements of testing- not always exceed- so as to put failure well on the far side of any expected in-warranty service requirements.

Some companies "go the extra mile" as Toyota used have the image of doing, to help service a larger, marketing oriented positive image.

Bottom line- that pulley has a damper because it needs a damper to prevent problems that are more expensive to the company overall, than the cost of including the damper.

[nikitopo]

Originally Posted by Shinigami301

Let me ask you, do you feel that Subaru's engineers specified a damper in the OEM pulley FOR NO GOOD REASON? Just to add cost?

Or could it be that there is a sound reason to have a properly engineered component in that application? One based on extensive testing and knowledge, as opposed to some CAD jockey in China "designing" an aluminum pulley?

What is YOUR evidence that Subaru's design is unnecessary? (A forum thread is NOT evidence. It's an unqualified opinion, with absolutely no accountability)

Because Subaru is NOT using these dampers in serious applications and such engines are abused much more than yours in its entire lifetime. Some people can correlate this and understand that the damper exists mainly for NVH reasons. Almost non existing engine failures of changed pulleys reinforces this claim. Other people cannot get it and they will endlessly disagree. Unfortunately, this is the human nature. And forget the cost thing. There are lightweight crank pulleys costing x2 or x3 times more and are not designed in China. The same holds for flywheels.

[Tcoat]

There must be a 100 debates on light weight pullies on here already. This thread was intended as a place where people could say what mods THEY did not like and as such it really isn't the place for people to tell them they are right or wrong.

[nikitopo]

Tcoat is correct. Let's keep this thread clean. Apologies from my side.

[FX86]

Originally Posted by Tcoat

There must be a 100 debates on light weight pullies on here already. This thread was intended as a place where people could say what mods THEY did not like and as such it really isn't the place for people to tell them they are right or wrong.

[Tcoat]

Originally Posted by FX86

Yes, and we all know how much I hate thread jacking!!!!!




I am such a hypocrite sometimes.

[enjoi23]

Originally Posted by Twinz

I know you are probably speaking from a money-allocation standpoint, but from a performance standpoint, the OEM Audio+ system does a great job of minimizing weight-gain and placing the weight in the lightest corner of the car.

Putting 20 pounds in that corner got me closer to a 50/50 corner balance. (from 49.7% to 49.9%)

20 extra pounds is still 20 extra pounds, but I think OEM Audio+ is the least-bad way to get great sound in the FRS. (and wow does it sound great!)

You're right. It's just one of those things where I would have preferred to get the flex fuel instead. Like when you buy some shoes and wish you bought some pants.