High-Performance Billet Impeller for Vortech® Si and SCi Superchargers

$598.00

Vortech SCi & Si-Trim Impeller CCW

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SKU: SCU-HPBI-VSCi-CCW Category: Tag:

Description

Application:

  • Vortech® V1 Si and SCi models, CW & CCW Rotation
  • Vortech® V2 Si and SCi models, CW & CCW Rotation
  • Vortech® V3 Si and SCi models, CW & CCW Rotation

Background: The impeller inside the Vortech® SCi-trim is not recommended to operate at speeds above 53,000 rpm depending on the model. Also, because it is made from a casting, the vanes are relatively straight and simple compared to our V+ model meaning that it will not grab and move as much air at the lower rpm’s.

The 928 Motorsports V+ SCi Impeller: Our V+ SCi impeller is cut from aerospace-quality 7075-T651 billet on a 5-axis CNC mill, allowing us to produce a stronger, lighter, more aggressive and better balanced impeller. Our patented inlet curls and progressive vanes are computer-designed for optimum flow inside the impeller housing. Each impeller is spin balanced to 0.006 grams/inch, and designed to operate up to 60,000 rpm. This impeller is so unique that we have US Patent D588158 on it.

Balanced and Ready to Run: All of our impellers are balanced to 0.006 grams/inch at 60,000 rpm. That’s a very high standard that most manufacturers do not achieve. In addition, we have performed over-speed tests on our 60,000 rpm impellers to 72,000 rpm (a 20% safety margin for you) without damage. You can rest assured that your new impeller from 928 Motorsports will arrive ready to install right out of the box!

Simple Installation: You can change-out your impeller by removing the scroll and one nut on the end of the impeller shaft. Slide the old impeller out, slide ours on. We designed it specifically to fit within the Vortech® impeller housing without any modifications.

Hard-coat Anodized: We have taken the extra step of having these impellers hard-coat anodized to give them exceptional corrosion resistance and a surface hardness greater than the aluminum alone.

The Benefits of a Coated Impeller are:
  • LESS HEAT TRANSFER The anodized surface coating is insulative and doesn’t transfer heat as quickly as the naked aluminum does. This works in both directions – in low boost applications the heat of the gear housing is transferred up the shaft into the impeller and this heats the air. That’s bad. In high boost applications, the heat in the compressor area is transferred down the shaft into the bearings. That is also bad.
  • RESISTANCE TO ABRASION Small sand particles get through the air filter and they shot-peen the impeller, causing damage to the surface. A coated impeller is much more impact and scratch resistant than a naked one.
  • RESISTANCE TO CORROSION Uncoated impellers oxidize and corrode causing drag and weakening the impeller. Coated impellers don’t.

Additional information

Rotation

Counter Clockwise (CCW), Clockwise (CW)

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