I wonder if replacing the MAF with speed density would allow for a better/safer tune so that 500 whp could be sustainable on the track

Yes , you will need lots of mods to keep temps under control if you want to track it.


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Ok, I am officially in the "starting to hate the SC setup" camp. I was driving down the road and the P0113 code popped up. Will not clear. I am now hearing it may be the wiring tothe MAF sensors. It is making me hate this car. I think I made a tremendous mistake adding the SC. I may get it squared away this time and if it screws up again I will return it to NA with the CAIs only. There should not be this many issues with a system that is supposed to be squared away.

No. 9psi pulley and Si trim. So maxed out. Probably will go with smaller pulley still.

[QUOTE=ANMVQ;3231521]Maybe 480has nothing to do with how WHP @ 13 PSI and E85. I made 457 at 12 PSI on knowingmp, BUt better have a built motor and some other add ons if you want that much power from it. :/ Stock trim it wont make it safely[/ecripUOTE]

Buillt motor isnt needed. It has nothing to do with how strong the bottom end is. Its all in the car knowing what is going on. With the pull through mafs it is confused. Add the stupid amount of heat from the original design and you have a recipe for disaster. It wouldnt matter if you bought the strongest internals possible.

[QUOTE=TopgunZ;3232006]I would still think it is , But what you are doing will help with a lot of it, We both know the MAF design is wrong , and the small wrongly placed heat exchanger doesn't help. Can't wait to see how this turns out :driving:

Get a cheap maf cleaning kit, and clean your mafs first.
Pull off your filters and make sure there isn't dirt or anything trapped in some parts of it.
Clean the filters as necessary.
Know anybody with a working MAF? Try swapping it in one at a time to see if it fixes it.
Try swapping both MAFs.
Then I'd move onto looking at wiring. Wiring is far less likely than sensors.

Not the same code, but my Z kept seeing P1239 from time to time. This code would put the Z into limp mode, turn off back on and all good for a Day or Two. Code then started to show itself more frequent so after some research narrowed it to the jumper cable for the T/B and MAF sensors. Mark from Stillen got a new set shipped over, changed out and have been code free since.

[QUOTE=ANMVQ;3232317]Help me understand why a built motor is needed. This stock block is holding 600+ whp with no problem, if the tune is good. The stillen kit will never be a torque monster and never exceed what the oem internals can handle. Lets just say you could hit 600whp with this kit. As long as the intake temps are reasonable then it should still be able to handle this blower.

I received my front mount and a few parts to the kit. I would love to find time this weekend to play around with it but its my last weekend before I get married and I have a ton of stuff to take care of.

[QUOTE=TopgunZ;3232637]You're right. In theory compared to the turbo crowd doing 600+ whp stock block, the supercharger route should be able to do 700+ whp with the lower torque. How reliably it can do that and for how long is the question. Track duty on 600 whp for extended periods of time I don't see happening, but 550 from a supercharger shouldn't be an issue.

Congrats on the wedding! :tup: I'm getting married next year. That stuff is expensive man, I put off all car mods and this season of racing to stock up money...

[QUOTE=TopgunZ;3232637]Just because the turbo guys are making 600 WHP on a stock block doesn't mean you can do that on a SC. The SC will require you run more boost (PSI) to achieve the same WHP. The Turbo guys are making 600 WHP on what 11 PSI? I was at 12 PSI and was making under 460 WHP. I PSI more 140 less WHP. The SC has more of drag because it spins off the motor( I know you know this) But to make 600 WHP on the SC you going to need to run close to 18 PSI. 18 PSI on a stock block with 11.1 compression and :icon14:

[QUOTE=ANMVQ;3232718]But I think you were referring to 480whp and 13lbs. I was just using 600 as an arbitrary number. I guess that was confusing. It really just comes down to torque and psi. So if we look at what we will actually see, which is around 450tq max and 14psi on E85, I don't think a built block is necessary at those levels at all. Now if someone can figure out how to spin this to 16-17psi and actually put my built block to the test....Im all ears!

I doubt we will see this though as the cog setup seems disagreeable and nobody has tried the smaller pulley yet. My guess due to belt slip. At least nobody has replied to my question in here of "Why hasn't anyone tried the smaller pulley from vortech yet, the 2.62?""

[QUOTE=TopgunZ;3232954]Agreed with the 450Flbs, Now to spin this at 17-18 PSI. I also have not seen anyone try that pully just the 11 PSI pulley from Stillen but that and the impeller will only get you to 14sih. You need the cod set up and work. There is someone on here was has it working.. ,. ..

There's another thread on here that shows a picture of the heat exchanger pulled out of the intake manifold. That thing isn't going to be able to cool any more than what the stock setup puts out. You know the machined stripes on the top of the intake manifold, where it says Stillen? That's about how big the heat exchanger is. Between everything else you guys pointed out about the MAFs and the non-Frozenboost front mount, add this to the list of reasons why you wouldn't want to push the Stillen kit for more than it was originally designed for.

how noticeable is the SC sound form inside the cabin?