Alright. Ill just buy a different pulley and hope for the best.

Before you buy anything, Im going to work on the pulley setup tonight.

Ill tell you what works and what doesn't, then we can go from there.

TpgunZ, did you convert your Z to air to air?


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Sounds like a deal. But Ill need to know soon as I Dyno in 15 days so ill need to order one and have it on by then. I just almost pulled the trigger on a 2.80" high traction SC pulley from vortech.

Well, its in the works so not necessarily converted yet. But I have everything I need and its going on this weekend. Ill post some pics this weekend.

Thank you both for guinea pigging this, I never trusted the kit enough to go for more power but you two have changed that. I now have lots of parts inbound to go for it myself. I'm trusting Sasha's advise and have a set of PPE long tube headers on order but they are 4-5 weeks out so I probably will wait until after Oct 4th to start. I've already paid for a trip to Sebring on the 3rd and 4th and don't want to be rushed when we change it over.

V3 SCi trim (Stock Stillen impeller) is optimistically rated at up to 17psi, 1050CFM, and max RPM is 53K.

V3 Si trim (upgraded impeller) is rated at up to 22psi, 1150CFM, and max RPM is 52K.

You still might be cutting it close...

V-3 Si Supercharger | Vortech Superchargers

I have a set of used PPE long tube headers sitting in my garage and are up for sale and immediate shipping ...
They were in my car for about 15K miles are in really good shape.
Already have that 'nice patina' :-)

Please feel free to make an offer if you are interested in them ...

Crap, I wish I would have know but PPE already has my money. I order SS ones ceramic coated, tell me thats not what yours are?

Yep not a problem. ill keep in touch!

aaarrrggghhh ...
I didn't go for the ceramic coating on the recommendation of the tech who did the installation.
He was going to wrap the headers to save me a few dollars but never actually got around to doing it.

Very rough draft. But im going to kill it all weekend.

Looks great!


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Top, ask Sasha to sell you just the pipe into the TBS.

It'll save you a lot of headaches lol

The pipe under the headlight, is that the intake/ filter pipe?


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Yes it is.

It looks like an easier way to do for my car so I don't have to move the trans cooler. We were planning to do the same thing.

Can anyone please send me the part number to the short sc belt? I thought I had one but I dont. If you know the best place to buy it from too, that would be nice.

Is it for the 9 lb pulley from Stillen? If so they told me it was the same belt?

No the short one on the sc pulley, back of plate.

Evohunter posted this in his build, is this what you are running?

For my setup next year

34 Tooth Count Jackshaft Pulley vortech - 4GR032-034

30 Tooth/35mm Supercharger Pulley votech - 4GR033-030

Gates belt Part number 5608MGT20 for the cog pulleys

If not COG its Gates K080220

Yeah need the 8 rib. Thanks Z84 .

Did you figure this out? Need to know if I should order that pulley today or not.

Im putting the supercharger pulleys and belts on right now at work, ill let you know in a hour or so!

Okay, everything works.

2.75" vortech pulley on supercharger - JACKSHAFT - stock sizing - stillen 9 psi on serp side.

For the tensioner pulley Napa Part # USA # 36112 NBH Canada # 36112 UNR

Do you have a part number for the 2.75" supercharger pulley?

vortech # 2a038-275

LINK BELOW FOR TENSIONER PULLEY

http://www.napaonline.com/Catalog/Ca...112_0338248387

Your the best! Thank you!

What is stock size on that jackshaft pulley?

stock is 3.12 on jack.

When I change the Jack to a 2.75, theres no way to tension the belt.

We would need a smaller belt, which is not made. So the jack has to stay stock!

You wouldn't want to swap that for a smaller one anyway. If you do your back to the same ratio and will not spin faster. But you can go bigger on that jack and then you will and it will work with the belt.

That's right! I didn't think about that!

thanks lol

Update:

By clocking the volute 180* it hits the frame lip. I could cut this lip out and I think it will work. Not sure I want to start cutting into that heavy metal though. I think routing it the way Sasha did is easier. This way you only have to cut plastic. Even if I did cut that metal out I am still not 100% sure it will fit.

Are both of you guys on built motors?


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^^^ I was wondering the same thing. Looks like TopgunZ does for sure. Where did you get your Pistons and Rods from? Im real afraid to go above 10-11 PSI without a built motor. I was at 10.5 and put HFCs on to get me under 10 and will prob be getting LTH's soon.

I am changing mine to air to air with 1000cc injectors( they stopped making 850cc), long tube headers, GTR plugs, 928 impeller and Stillen 9 lb pulley. I'm trying to decide if should add the pulleys on the back side or wait and see how it goes first.


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My motor is in the shop as we speak! They told me 4-5 more weeks.
This will be done next year.

As for 10-11 psi, The Bp kits are pushing 10-11psi with no issues.
Also Remember, at 500 whp they have a 100 more wtq then we will.

Im pretty sure there was a guy running around with 600whp on this forum.
hes on a stock block. If its done right, with a cjm return, tuning etc.. there
shouldn't be any problems.

I like the way you think!

See where your at when your at the dyno, Honestly, it takes 10 minutes to remove the belt/blower. couple more mins to switch the pulleys. You could
always buy the pulleys. Bring them to the dyno, and switch as you need.

This is what ill be doing, I've paid for an extra hour on the dyno for this reason.
aswell as other unforeseen issue that arise.