Evolution Supercharger Group Buy Offer

[papi chulo]

Well guys, it may be time to bring up the discussion topic of supercharging our NA 996s again. Evolution Motorsports is offering a group buy promotion right now with discounts of up to $2000 per unit if 11+ units are sold (we can get together with some guys from 6speedonline to do a purchase). At around 8k, they become much more tempting to me personally. Evo has now sold 150+ units and claim to have, thus far, not had a single motor destruct.

So, first, if anyone is interested, I will start a list of names and can coordinate a negotiated buy to give us the best possible pricing. Anyone interested can contact me at: bigbonebob69@yahoo.com

Second, if anyone has any feedback from their evo supercharger install, or any tips or musings, please let us know. Also, if anyone has a cometing supercharger, please let us know why you went with another manufacturer.

Thank you.

[nick49]

Supercharging is raising the compression several points which stresses the pistons, rings, piston pins, valves, rods, upper and lower rod bearings, crankshaft, and actual cases beyond the parameters of the original design. You may not actually seize your motor, but under boost all the above mentioned components will certainly be subjected to unusually high demands causing greatly accelerated wear and associated damage from excessive heat. I have seen N/A motors destroyed from turbos and supercharger installations. Two have been on cars that I have owned in years past before I understood what actually happens. Never again for me, I'll buy a factory Turbo.

PS: I own a business where I have built hundreds of high performance motors since the late '70s and have been asked several times to supercharge or turbo a N/A application. I explain that ABSOLUTELY NO WARRANTY will be written across their invoice in large letters and that they sign accepting these terms. I haven't had any takers yet but a shop in the neighborhood superchaged a 993 a couple of years ago and ended up in a nasty lawsuit because the customers motor blew up within a year. Customer wasn't told of the possible engine damage that could occur from over stressing the internals.

Edited August 31, 2006 by nick49

[papi chulo]

Supercharging is raising the compression several points which stresses the pistons, rings, piston pins, valves, rods, upper and lower rod bearings, crankshaft, and actual cases beyond the parameters of the original design. You may not actually seize your motor, but under boost all the above mentioned components will certainly be subjected to unusually high demands causing greatly accelerated wear and associated damage from excessive heat. I have seen N/A motors destroyed from turbos and supercharger installations. Two have been on cars that I have owned in years past before I understood what actually happens. Never again for me, I'll buy a factory Turbo.

PS: I own a business where I have built hundreds of high performance motors since the late '70s and have been asked several times to supercharge or turbo a N/A application. I explain that ABSOLUTELY NO WARRANTY will be written across their invoice in large letters and that they sign accepting these terms. I haven't had any takers yet but a shop in the neighborhood superchaged a 993 a couple of years ago and ended up in a nasty lawsuit because the customers motor blew up within a year. Customer wasn't told of the possible engine damage that could occur from over stressing the internals.

Thank you for the input Nick and for sharing your experiences.

I have heard so many different opinions regarding supercharging the NA 3.4 and 3.6 motors that it is sometimes difficult to make out what best fits your situation. There are quite a number of guys on 6speedonline that have had their SCs for years and have never had a problem. EVO also states that none of their SC motors have suffered a failure, but that is, obviously, impossible to verify. Any thinking person will realize that supercharging or turbocharging will cause some extra stress on motor components and generate additional heat when under boost. The real question is: are the 996 motors "overbuilt" enough to withstand the additional forces of physics and heat generated by Supercharging. Many seem to think that they are. Some argue that Porsche motors were always overengineered for their output and that internal components used are up to the task of handling the additional heat and stress. Of course, one must differentiate between casual street use and track use. If you are trying to bump power for track days or racing, where the car will, pretty much, be under constant boost for long periods of time (the race distance), then I see real problems with heat and strain on the motor. If, on the other hand, you just want the additional torque and HP for street driving for the occassions when you punch the throttle to pass on the freeway or speed off from a stoplight, I can imagine that some of the reliability concerns would not be nearly as warranted. Just my 2 cents. Unfortunately, I cannot verify or deny these opinions from personal use of a EVO SC on my own 996s....that is why input is so helpful.

[violaGT3]

Hey Hey Hey, Love that boost! For 2 grand off the price you can count me in! I have tried to blow up Many-a-Mopars in my days and built a 6lb ram induction system, all of which I loved. and 1 out of seven I blew! ARP's don't break? NOT! they do at 32 lbs. of boost. Yes 32. SC's typically won't even come close to damaging a vehicles(good vehicle) internals as the PSI is very low considering. The biggest factor is whether it is properly calibrated so that you are not getting detonation "BIG TIME BAD NEWS" A well lubed engine as long as the temps are kept down and the motor is worth a hoot in the first place will have no problems, I would have to say that 911 engines are pretty well built.

Anyways ViolaGT3 wants in!

[papi chulo]

Hey Guys...thought I would refresh this thread....no one else wants in on the Supercharger group buy for 2k off the price?

[bnewport]

There is no way a NA 996 engine is overengineered, they are failing with stock power levels. Ask me how I know?

The only overengineered engines are the TT and GT3 blocks. The stock one is designed to be cheap to make.

[papi chulo]

Hi Billy,

OK...how do you know? Any experience with 996 NA motor failures and what caused them? Thanks