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  #11  
Old 08-06-2019, 11:53 AM
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  #12  
Old 08-06-2019, 11:56 AM
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Hello there fellow enthusiasts,

I think I might at the end of the road with my E53 sadly. I am a disabled veteran and it has become increasingly difficult to care for this truck the way it should, and I refuse to let it deteriorate.

It requires a high level of maintenance that I have been able to keep up with until recently. Enough of my sad story Iíll be fine, lol.

Some quick details before I start. The supercharger kit is the only one RMS produced, and the last time we spoke on the phone they said production had ceased. Also, the DSSR is the only one UUC produced. Iím not sure if production is still available, however this unit was produced at my request.

This E53 is truly one of a kind.

Ok, here we go,

2002 E53 3.0i 5 Speed Manual, 95,453 miles

21X10, 21X11.5, style 128 oem wheels (not replicas)

RMS supercharger kit with Vortech V3 blower, 10lbs boost

Aquamist HFS3 50/50 setup

UUC 8.5lb flywheel, UUC M5 Kevlar clutch

UUC short shifter, UUC dual sheer selector rod, CDV delete

H&R sport springs, bilstein shocks

Vanos upgrade kit

Custom exhaust with x-pipe

Coil pack upgrade from Bremi to Bosch, colder plugs

Bosch O2 sensors

Water pump, fuel filter, fluids, etc

Roof rack delete

When the clutch was installed the transmission had work done to it as well, and all of the parts associated with the drive were replaced. Bearings, guibos, etc.

The paint is not faded and is still glossy, but has nicks and a couple of dings. The lights are crystal clear.

The seats are amongst some of the best condition Iíve seen, and the dashboard is clean. Some interior parts show wear, but for 17 years young I think itís to be expected.

Overall, I would rate the appearance 8/10. Garage queen would be overstated, but definitely not an eyesore.

Drivability is amazing! To be able to maneuver a 6000lb vehicle the way she does is indescribable. 5th gear is awesome, there is absolutely no reason to down shift on the freeway. Itís very easy to make a pass and then some. Anyone who has ever driven a manual E53 knows 1st gear hits redline in the blink of an eye. The 8.5lb flywheel takes the experience to a new level and the short shifter and DSSR help with getting into second gear a lot easier, and delivers a decent 0 to 60 something the M54 in my opinion struggles with naturally aspirated.

I have all the invoices for the items and work listed above. Itís tough to let her go but I canít see her just sitting anymore. I would appreciate any advice as to a selling price point for my E53.

Thank you.
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  #13  
Old 08-06-2019, 11:57 AM
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Ahhh sorry, silly computer added all of copy instead of year, model and parts.
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Old 08-06-2019, 12:56 PM
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I was thinking the ESS twin-screw units would be best for forced induction on an E53 due to their low-end torque production vs a centrifugal charger like Vortech.

I was looking for a kit daily for a while on ebay but forgot to look one day, and bam, there it was, a minty looking kit, sold in about 6 hours. Discouraged, I haven't looked much after that.

This would go on my 5MT with headers and EU2 tune, which already is a VERY nice combination.
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Old 08-07-2019, 02:44 PM
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Quote:
Originally Posted by e39_touring View Post
I was looking for a kit daily for a while on ebay but forgot to look one day, and bam, there it was, a minty looking kit, sold in about 6 hours.
What did it sell for?
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  #16  
Old 08-07-2019, 02:58 PM
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$2500. It was a TS1 kit (no intercooler) and for the 2.5L - would require a new pulley to make proper boost with the 3.0.
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  #17  
Old 08-08-2019, 05:32 PM
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That might not necessarily be true. I have a 3.0, and when I was stage one, the boost was only 6 lbs. I donít see how the displacement would matter. Anything over 6 needs a intercooler, and let me tell you, even at 6 my 3.0 was harsh. I believe that blower has a liquid cooling option. In my opinion thatís the best.
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  #18  
Old 08-11-2019, 04:55 PM
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Quote:
Originally Posted by Happy View Post
That might not necessarily be true. I have a 3.0, and when I was stage one, the boost was only 6 lbs. I donít see how the displacement would matter. Anything over 6 needs a intercooler, and let me tell you, even at 6 my 3.0 was harsh. I believe that blower has a liquid cooling option. In my opinion thatís the best.
The displacement does matter. The twin-screw supercharger is positive displacement - i.e. it compresses x liters of air with each revolution. If you feed that same # of liters of air into a 2.5L motor, it will produce more boost than if you took the same amount of compressed air and fed it into a 3.0L motor.

The ESS TS1 charger should make 7lbs of boost non-intercooled. It does have the option of installing laminova liquid cooling cores, and if you do that, you can run 8.5 to 10 lbs of boost safely depending on your other mods. It's all in the tuning.
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  #19  
Old 08-11-2019, 06:06 PM
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Quote:
Originally Posted by e39_touring View Post
The displacement does matter. The twin-screw supercharger is positive displacement - i.e. it compresses x liters of air with each revolution. If you feed that same # of liters of air into a 2.5L motor, it will produce more boost than if you took the same amount of compressed air and fed it into a 3.0L motor.



The ESS TS1 charger should make 7lbs of boost non-intercooled. It does have the option of installing laminova liquid cooling cores, and if you do that, you can run 8.5 to 10 lbs of boost safely depending on your other mods. It's all in the tuning.


So how much boost would the 2.5L pulley create on a 3.0?
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  #20  
Old 08-12-2019, 02:54 PM
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Quote:
Originally Posted by Happy View Post
So how much boost would the 2.5L pulley create on a 3.0?
If it were directly proportional to displacement (which I don't think it is), it would be about 5.5 psi.

Looking this up, maybe Boyle's law of gases applies?

In this case it would be

V2=(P1*V1)/P2, which transforms into P2=(P1*V1)/V2

...adding real #'s (pressure in atmospheres)

P2=(1.48*2.5)/3
P2=1.23 atm

(1.23*14.7)-14.7= 3.4 psi of boost

I'm sure someone will get their geek on and check this math & application of gas law theory, but it should be a good ballpark.
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