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I know of one Californian who did this swap and haven't heard from him and I might upgrade myself depending on how mine does maxed out at Approx. 14 pound w/ a 3 inch pulley. Paxtonauto.com has an exchange program for the Novi 1000's if you didn't already know that! Also, with your existing pulley, If you use it on the Novi 2000 you will get an increase of 3 pounds of boost

 

but novi 2000 is not to big for our tiny engine?

 

That would be me and the jury's still out as we put the motor and all the other parts together ant the same time, so it's become a drawn out process. For any considering this, there's a lot more to it than just swapping blowers. Alaniz is helping put the whole thing back together for me.

When it's done, success or failure, I'll post my results.

MTL

 

Check out Paxton's website, they have Novi-1000/2000 specs listed there. They do not swap the impeller, it requires an entire compressor exchange. Depending on condition of the Novi-1000, you can get up to a $1000 credit towards a Novi-2000 which will leave you with a balance of about $1500 for the new unit.

Honestly I can't say what the performance characteristics of the Novi-2000 on an AP1/AP2 would be, I can only project from applications of the 2 compressors on Mustangs and the strengths/weaknesses there. The Novi-1000 spools up faster and has better low/mid range performance, the Novi-2000 spools up more slowly but provides more power up top. That's the niche of the Novi-1000, doesn't boost as high but gives it's power quicker down low and through the mid range. The Novi-2000 lags more, should perform the same on the AP1/AP2 from what I'm told.

I'd talk to the folks at Paxton if you want more concrete information.

Given what I've gone through to date, I wouldn't recommend this route, migrate to a Vortech kit which can support these boost levels with the existing compressor.

 

Any updates on this?

 

About 1 month ago I was contemplating this idea as well -
First I contacted Paxton to ask about this. After being placed on hold for about 15 minutes I finally reached a tech who was... not exactly excited to talk to me. His answers were very brief and almost sounded annoyed to talk to me. I just gave up & hung up.
The following day I contacted Shad over at Comptech to get his input. I told him my plans - including trading in my NOVI 1000 for the NOVI 2000 and getting an even smaller pulley. We had a long conversation that was rather useful! He did state there was a shop in LA that tried this shop, however they actually made less power with the 2000 than the NOVI 1000. He didn't go to in detail on how, but he did state something along the lines of the fact that the NOVI 2000 was just to large of a blower to be spun by the small 2.0L in the S2000.
I would love to contact Paxton again and actually reach someone who actually cares - but with the crappy customer service I received last time, I'm a little bit iffy.

 

Joe still has my car and we've been laggin', so I do not have an update sorry. I got a motorcycle recently and that's distracted my attention from this project.

Car's turn-key now, just getting my EMS repair by EMS due to some known issue with my model box relating to starting the car. When the motor's brocken in, I'll tackle the new blower installation.

Interesting that I found Paxton fairly helpful with information when I was asking about the Novi-2000. Bottom line, I do not know if the blower will work or not, nor if the parastic loss will make the car a dog or whether the AP1's motor will not be strong enough to spool up the blower. I felt comfortable enough from what I researched that it's doable and the ingredient for making it work will be the EMS and tuning.

 

Any updates from your experience?


I did spend quite a bit of time on the phone with Paxton yesterday - this person was much much much more helpful than the last!

When asking if the NOVI 2000 will work on the current unit I have (Comptech Supercharger w/ Aftercooler) he said it would bolt up as it has the same mounting bolt pattern. However, he did say that a problem could be fitment. Front to back the NOVI 1000 is 6" long while the NOVI 2000 is 7" long. I am not sure about everyone else, however when my Comptech was installed we did trim down the fan shroud for the elbow from blower to airbox. Tonight I will do some measuring to see if that extra inch will cause problems. I suspect that I will need to use a Universal Flex-A-Lite thinner fan, as well have a custom tube made to connect the blower to the airbox.
As well, Aaron (Paxton Sales Department) told me that one major problem is basically "how big this blower is". He said that with how large the NOVI 2000 is, it will push so much air into the engine at idle it will cause "surge". When I asked him to explain "surge" to me he basically said the blower will spin so hard that it will produce more air at idle than the engine can ingest. He said this may be overcome by raising the idle, however stated that I would need a very good tuner to overcome this problem.
At this point in time I am awaiting a phone call back from my tuner to see what he thinks.

-chad

 

Actually I think the blow off valve should vent the extra volume - My Godzilla BOV dumps air at idle and cruising and slams shut when I jump on the pedal.