[Z06] Z06 vs. E46 M3 Race
Yeah, but I don't think they've ever boosted an 11.5 to 1 compression street motor before. Under 6psi boost, the compression ratio will be 16.2 to 1!! At 8 psi, its 17.8 to 1!! :eek: That's a bit much for 93 octane pump gas. How are they going to avoid detonation? water injection?
The issue with the S54 wasn't with the conecting rods, it was the rod bearings that weren't geting enough oil at *low* RPM's. BMW issued a engine oil pump and bearing recall for cars produced from Oct. 01 to Feb. 02 which pretty much took care of the problem. The S54 has never had issues with it's compression being too high, altbough that was most people incorrectly (and understandably) assumed was the problem with the blown engines.
There is no way that you can supercharge that engine without lowering the compression, and not severly castrating the longevity of the engine.
And if they do start replacing internal parts, it's going to become prohibitively expensive. The S54 is at the edge of engine technology, so it's not easy & cheap to tinker with.
Hate to be cynical. but I'll believe it when I see it.
10 K for the S/C kit from Dinan?
Just take a look how much the S2 engine package for the M3 costs.
If Dinan does come out with a FI kit, your looking at about 20G's +.
Oh, and just for kicks, go see what a new S54 engine replacement costs. And while your at it, also a clutch, cuz the stock one's not going to last long with that power going through it. :eek:
I came to the conclusion a few months after buying my M that that car is a car that you have to take it as it is. It's never going to be much more than that, without sinking a small fortune into it.
Do yourself a favor. If your really interested in more performance, go get yoruself a Z. I did. Don't get me wrong, I still have a soft spot for the M3.
But it was never meant to be a race car. It's a luxury/performance car.
[Modified by tlaselva, 7:30 PM 1/11/2004]
First off, the S/C from AA is here now. It was on the dyno a couple of weeks ago. Dinan says they plan to release theirs around the same time as AA, but I can't say exactly when that will be. AA Says within 3 months.
As far S/C'ing the engine without lowering the compression, it's already been done. I understand your cynisim, but you'll see it soon enough.
And yes, no more than 10k for the S/C. That includes a 50k warranty that covers not only the engine, but also the drivetrain components asd well. So, if the clutch goes, it's covered. This is nothing extraordinary as all of Dinan's superchargers are warrantied the exact same way. This one will be no different.
As far as the S-2 package, it is not just an engine package. It includes suspension, wheels, tires, exhaust, software, throttle body and intake. The wheels and tires alone cost just under 7k. The suspension is over 2k. The engine package by itself alone costs less than 7k. So 10k for the S/C seems about right.
The S54, while not nearly as moddable as an LS1, can be modded. I went from 270 rwhp when stock to 310 now (around 370 at the crank). That's with cat-back, software, intake and pulley. I've shaved 5/10's off my stock 1/4 mile time and increased my trap speed 4.5 MPH. Some other guys that have also added cams and hydrostatic fans are running at 390 at the crank. Anyone that thinks these cars can't be modded just haven't paying enough attention. With the power I'll be getting from a S/C, along with my suspension that I have now (coil-overs, sway-bars)...my 3250 lb luxo/performance M3 will put many, many "pure" sports cars to shame. Heck it already does now and I only have 370HP.
As far as why I don't get a Z06, well as much as I love them (I really do)..they are lacking in too many ways for me for it to be my only car. I definitely want a C6 Z06 to park next to M in a couple of years, but I would never actually replace my M with one.
You know that's one of the reasons this country is so great. The fact that there's so much variety out there:thumbs:
There is no way that you can supercharge that engine without lowering the compression, and not severly castrating the longevity of the engine.
And if they do start replacing internal parts, it's going to become prohibitively expensive. The S54 is at the edge of engine technology, so it's not easy & cheap to tinker with.
Hate to be cynical. but I'll believe it when I see it.
10 K for the S/C kit from Dinan?
Just take a look how much the S2 engine package for the M3 costs.
If Dinan does come out with a FI kit, your looking at about 20G's +.
Oh, and just for kicks, go see what a new S54 engine replacement costs. And while your at it, also a clutch, cuz the stock one's not going to last long with that power going through it. :eek:
I came to the conclusion a few months after buying my M that that car is a car that you have to take it as it is. It's never going to be much more than that, without sinking a small fortune into it.
Do yourself a favor. If your really interested in more performance, go get yoruself a Z. I did. Don't get me wrong, I still have a soft spot for the M3.
But it was never meant to be a race car. It's a luxury/performance car.
[Modified by tlaselva, 7:30 PM 1/11/2004]
Guess time will tell.
Enjoy your M. Form time to time, I swap cars with a buddy that kept his M3. (We bought our M's together.) I really do miss the M, as it does have it's strenghts. IMO, for the money, it's one of the best cars out there.
But my sediments only last long enough until I go WOT in my Z....... :reddevil
[Modified by tlaselva, 1:41 AM 1/12/2004]
AA is really good too though. Their E36 (?) turbo kits are awesome, and produce excellent numbers.
In summary, Dinan = pay for the name, but a damned good product too. Stick to A&A.
As far as weight, the unladen weight of an E46 M3 is 3415 lbs. I ordered mine without the moonroof which saved me 40 lbs. My car stock weighed 3381 on a certified and calibrated scale with 5 gallons of gas (unladen). Since then, I've installed a lightweight battery (36 lb loss), full cat-back exhaust (33 lb loss), Ground Control coil-overs/sway-bars (14 lb loss) and Recarro lightweight bucket seats (54 lb loss). Last time I weighed my car it was 3,244 lbs unladen. Next is lightweight wheels which will drop me to 3,209 lbs. And I'm not even that light...there's a guy that tracks his 2002 M3 in Texas quite a bit at a track-weight of 2990 and a street-weight of 3050. But he's removed too many things IMO.
:skep: Better read the fine print on that warranty. I can't see them warrantying the factory clutch. A clutch is a wear item, subject to driving habits, just like brakes and tires. And there's no telling what condition the clutch was in before the supercharger install. Think about it - say for example you bring your 60k mile M3 in for a supercharger install, with a mostly worn clutch. You drive the car for a little while, roast the clutch, and bring it back to Dinan and say give me a new one? I don't think so.
)...my 3250 lb luxo/performance M3 will
The E46 M3 weighs 3,458 lbs. How did your car lose 200 lbs? :confused:
[Modified by EOD_M3, 8:40 AM 1/12/2004]
The Best of Corvette for Corvette Enthusiasts
So my concern would be adding additional loading via S/C boost.
On the other hand, if Dinan will do it with a 50K unconditional TOTAL ENGINE warranty, then go for it. I am surprised they would offer such a thing (susually limited to the S/C belts etc.), but who knows.
What about the Harmann V-8 conversion? "B-50" or whatever it's called. Looks awesome.





They quoted me 56G's Euro.... :eek:
That's not including shipping your car to Europe and back.
That's why the only one I've ever seen is from Hamann themselves..... :rolleyes:
Hummm, let me see.
In one hand, M50 M3 Conversion. 3400 lbs. Car with 400 HP.
Or, Z06 w/ Lingenfelter's 427 TT, 3300 lbs. Car with 800 HP, and $$$ left over.
Wow, that's a tough decision... :jester
[Modified by tlaselva, 4:31 PM 1/12/2004]
[Modified by tlaselva, 4:32 PM 1/12/2004]










