Looks like my W58 is toast.....what do you think?
#1
Looks like my W58 is toast.....what do you think?
Oh man! I think the W58 is on its last leg. Yesterday, I noticed at WOT in 3rd, 4th and 5th, the car shakes pretty violently as soon as boost hits. I have noticed on occassion that the RPMs were increasing while the shakes were goin on but I wasn't accelerating in sync with the RPMs. It doesn't happen on every pull, just occasionally. It almost feels like it is slipping. I can't get 1st or 2nd to get the shakes, no matter how hard I launch.
I've read that 3rd-5th tend to be the weakest link in the W58. My W58 has been whining for years. I think it's done.
The good thing is that I have an R154 chillin in the garage.
I've read that 3rd-5th tend to be the weakest link in the W58. My W58 has been whining for years. I think it's done.
The good thing is that I have an R154 chillin in the garage.
#2
Lexus Test Driver
iTrader: (9)
Yea, that's exactly why I went straight to the R154. It was a little more money, but at least I won't have to baby it at all.
The R154 is amazing. I had an early model Soarer R154 gone through by a local tranny guy about 4 years ago. He said the only wear on any of the parts was that 5th gear only had 80% life left!! 1st gear was perfect!
The R154 is amazing. I had an early model Soarer R154 gone through by a local tranny guy about 4 years ago. He said the only wear on any of the parts was that 5th gear only had 80% life left!! 1st gear was perfect!
#4
Lexus Champion
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Join Date: Aug 2007
Location: Papillion, NE/Columbia,SC
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i dunno man i'd take that trans off at look at the clutch first..
i've have at least 2 of my friends kill R154's in their mk3's. I think they are a step up for sure but they are far from impossible to destroy.
i've have at least 2 of my friends kill R154's in their mk3's. I think they are a step up for sure but they are far from impossible to destroy.
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#8
So I got to thinking. What if my engine is causing the hesitation that I'm experiencing? Maybe it's not the clutch/tranny bogging down but the engine that's bogging down at full boost.
My car runs hella rich and I've noticed over the last few months, it's gotten progressively worse. I pulled the plugs today and was inundated by fuel. The plugs were slimy from fuel residue.
I'm gonna get a new set of plugs (with .028 gap) and replace the O2 sensor. I'll let you know how it goes. Any idea what O2 sensor will work?
My car runs hella rich and I've noticed over the last few months, it's gotten progressively worse. I pulled the plugs today and was inundated by fuel. The plugs were slimy from fuel residue.
I'm gonna get a new set of plugs (with .028 gap) and replace the O2 sensor. I'll let you know how it goes. Any idea what O2 sensor will work?
#10
Pole Position
iTrader: (2)
Check your clutch. A couple members at clubna-t have had their w58's be fine, but their clutch was trashed, but I guess that could go for any car with some horsepower.
As for the R154, these things are pretty simple to convert, and look to be pretty beefcake. We'll see how mine holds up.
As for the R154, these things are pretty simple to convert, and look to be pretty beefcake. We'll see how mine holds up.
#11
Something to check into....ECU coolant temp sensor.
http://www.autozone.com/N,15900113/s...eResultSet.htm
http://www.autozone.com/N,15900113/s...eResultSet.htm
Good point. I'll throw one of these in also. Are these pretty universal? I noticed that the part number for my UCF20 is the same as a 2JZ-GTE. I would assume the same for the 1JZ? Where is this sensor located on the 1JZ?
#14
Complete R154 swap (done right) - $1000
New RPS Max Clutch kit - $800
Realizing you have a bad habit of resting your foot on the clutch pedal - Priceless
Man, what a revelation. That little bit of play before the clutch truly engages actually engages!
R154 still going in. Looking for clutch kits now.
New RPS Max Clutch kit - $800
Realizing you have a bad habit of resting your foot on the clutch pedal - Priceless
Man, what a revelation. That little bit of play before the clutch truly engages actually engages!
R154 still going in. Looking for clutch kits now.