Thanks! Look forward to seeing your final product.

Have you thought about offering a "complete" kit that is matched for a specific HP?

Like a 9psi (or 10) pulley set, tension adjuster mod (for the SC drive belt) along with the a2a kit? Something that has been done and dyno-ed so that there is no danger of exceeding the A/F, temp and SC rpm limits of the Stillen kit.

That, I would be interested in.

I don't have time to experiment with injector sizes, fuel pump flow rates and parts fitment. I want something that I can bolt on and then take to my tuner and then expect X amount of HP.

I may end up doing that down the road as the kit develops. But there are just so many combinations it is hard to put something together like "500whp kit". Since I do not know if that person has an 8psi serp pulley or 9. If they have impeller upgrades, fuel upgrades, cog pulleys and what not. But this kit will allow you to push the car as far as you want.

Tell me what you have and tell me what you want and I'll get you there. But I am not going to buy a 3.0" sc pulley and 3.4" js pulley,mark it up and sell it to you.

Injectors are easy, go 1,000 cc and you will have more than you need. If you want say 500whp I would recommend you use a CJM return fuel system, call or email Charles and tell him what WHP you want to make and thats done. After that all you need to do is order pulleys from Vortech. If you want to upgrade the impeller you will also need to send the supercharger off to have that done.

With Togunz kit and a good fuel system on the car it should be fairly easy after that or at least a hell of a lot easier than doing it like I have been doing.

I've read (somewhere) that idling can be an issue with large injectors. Is that true?

My car is a "fair weather ride". Not daily but driven when the weather is nice.

Only issues I've ever heard were cold start issues. From what I understand as long as you buy quality injectors and have a good tuner, you should be fine.

I agree. Charles at CJM is the man. Very knowledgeable and helped me step by step when I installed my fuel return. Highly recommended!

I will 3rd that recommendation. He is the only guy I would buy fuel systems from since his knowledge and customer service is impeccable. I have spoke with him about this and numerous other things in the past. I even took his tire recommendations because he is the guy that has "been there, done that".

I dropped that supercharger anti-flex brace off at a machine shop and got a quote this morning. So I need to know exactly how much interest there is on this. Set up cost on this is very expensive. I will try a different shop as well but as it sits here is what it will take for me to make these. The price points are pretty drastic.

Qty: 1 = $800
Qty: 3 = $575
Qty: 6 = $450
Qty: 12 = $325
Qty: 24 = $282

I'm in unless it's $800!

^ same.

Well one more and were down to $575 a piece.

In as well

Nice!


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Haven't been back to the forums for awhile, but is the purpose of this particular anti flex barce to increase/maintain maximum belt tension or to prevent future issues with the stock bracing or both? Don't have an idea how this looks.

Thanks

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Im in! Either just the anti flex brace kit or the air to air conversion kit

Is the anti-flex bracket necessary if you do not plan on pushing big power? My goals are only around 450ish to keep it manageable.

Hey mate, quick question on this part;

Possible Stage 2 kit:
Upgrade to V1 Si head unit - Capable of more power than the V3. Will come with all necessary parts to upgrade to this unit.

Will we be able to do this part ourselves? or still need to send the unit away to have parts installed like with the V3 unit? Will this unit also still be self lubricated or will we need to run an oil line to it?

You would have to change the whole blower, to a V1 Si, need oil lines etc..

Most cost affective way, upgrade your impeller and upgrade your bearings in the blower, im not a 100% what you can spin it too, but I think willis said it was 72000? could be wrong.

Topz, im in on the bracket! 100%

I would run this bracket no matter what, doesn't matter the power.

Go out to your car, Grab your Supercharger belt and twist it.

Watch the whole blower flex towards the back of the car, very flimsy.

If you can do this with your fingers, imagine how much it flexes under heavy load.

Yes the brace prevents the bracket from being flexed towards the front of the car, which causes the belt to slip limiting the boost.

In regards to the v1 upgrade. I still need to put one in mine to ensure it drops in without modification. I'm about 95% sure it is just a swap. However, you will need to add an oil pan spacer with a tap and run a return to it from the sc and also one to feed the sc from a y off the pressure sensor fitting. Not really hard to do and a shop could do it in a couple hours.

V1 flows up to 26psi vs our 22psi because they can be spun faster.

Another benefit of going v1 are the HD bearings. These are designed to handle high loads that cog belts make. Between the cogs and brace you would never get slip.

Now you can upgrade the v3 bearings but I do not have data on this and the bearings aren't cheap ($750 plus install) I can sell my v3 si unit for around $1250 as that's what they have sold for. I can get brand new v1 si units for $2100. So I'd rather do that than upgrade bearings.

Okay fair call, reason I ask, in Australia here to send the blower away even to have the Impeller upgraded is around $1000~ so will have to weigh up options :)

I tried to drop off that flex bar at a different shop this morning and he didn't even want to quote it. So right now we have 4 guys that want one. I think I am going to have to wait until the air to air kit is ready for sale and when guys are making a lot more power then they will want it.

Just spoke with the shop. Pipes will be shipped this week. Ill throw them on then go dyno.

Can't wait to hear the results !

That was on the 928 bearings but Topgunz spoke to Vortech the other day and they said 928 is wrong, the oiling design doesn't allow it to spin more than 53,000. That's why Vortech doesn't offer it with better bearings. If you just change the supercharger pulley to a 3" and nothing else you are at 51,750 at 7,500 rpm.

Correct. The 928 bearings are only good for upgrading the v1 or v2 units. But Vortech now offers more setups then listed on their website that have the heavy duty bearings so it really doesn't make sense to pay for upgraded bearings.

I did this and found no flex at all. Perhaps my bracket is different?

what kind of psi are you looking at changing it to 3" and the impeller upgrade?

With the 928 impeller mine was at 9 but it probably would be 11 without the long tube headers.

Another benefit of upgrading to this A2A kit, besides the huge safety gain, is that basically the kit becomes "upgradeable" to make some extreme power. As discussed, I am looking into this whole V2 upgrade and have found the perfect unit to do this with. The V2 units are capable of a ton of power since they can utilize the HD bearings and be spun like crazy.

For instance, here we have a guy, who I know and have spoken with on the phone a few times, who has a 2003 350Z. This platform has the VQ35DE motor. Yes, when the rods were toothpicks before upgrading to the HR rods. He has been pounding the heck out of his stock block since 2004!!!... with this V2 SC trim unit. He is now making 577whp/446wtq. and has ran in the 10's! Check it out.....

"TimRod's 350Z" | Vortech Superchargers

Now if he is doing this on the 3.5L DE, this can easily be done and hit over 600whp on our beloved 3.7L VHR. Especially because Vortech has came a long way since he bought his unit in 2004. They now have a much more efficient, stronger and more powerful unit in the same package.

More to come on this.....

What's the possibility of this fitting on a G37 coupe? Would some things need to be fabricated?

This should fit right up. It obviously hasn't been done yet but even if there is a small diference it can easily be worked around.

Not an apples to apples comparison, but the BP kit for a Z fit the G with very minor tweaks. This should be fairly similar.

Thanks. I'm looking at purchasing a local Stillen kit with upgraded impeller and 10lb pulley. I'm also torn, because I may try a single big turbo. If I go SC, I won't settle for less than 500whp; if I go turbo, then I'll likely go 600whp. Obviously this kit will be necessary to get to 500whp, hence my concern.

just go turbo straight up mate, no point getting the stillen kit and spending all the extra on it, I'd be all over a BP turbo kit if they fit RHD and the stillen kit would be in the bin rofl

Not unless you get a stillen kit for $800 like me. ;)

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It if you had an Automatic, which is what he has.

not saying he has to go BP, just saying I would on my car if it was available ;)

by the time he gets the stillen kit and upgrades, going to be at twin turbo $$ if he's thinking of going either makes sense to just turbo straight up