The Original Roots Supercharger Project for BMW's

Tag Archives: 2015

V2.1 Revision Whiteprints For SC14 Available Now

SC14 Supercharger Leave a Comment

Introducing the V2.1 Revisions, Whiteprints & Precut Brackets Available Now! Code Named “German Girl”. These will fit anywhere, full support for the newer power steering brackets found in the S54/M54 as well as M52TUB/S52 Motors.

Like its predecessor, V2.1 designs requires no welding at all and uses the same tried and tested simple Thick Plate Based Bolt on Bracket System for the SC14 Supercharger to be bolted into all following BMW 6 Cylinder Engines M50NV/M52/M54/S50/S52/S54 Based Motors.

Just follow the templates I send, Have the brackets cut out, drill out the holes, follow the installation guide, and bolt it all on!

Shipped to your Door!
V2 Iterations – Streamlined
Personal Use License

It fits M50NV, M50B20 M50B25, M50TUB, M52B28, M52B25, M52TU, M54B25, M54B28, M54B30, S50B30 – S50B32 (Euro), S52B30 – S52B32 (US) & S54B32.

HMW M52 Prototype Supercharged BMW Setup in Action!!

Projectlogs, SC14 Supercharger Leave a Comment

The much awaited HMW M52 Prototype Demonstration video, SC14 Roots Supercharged BMW Driving around Northland, New Zealand, To show case just how reliable and solid my DIY Supercharged Budget setup is even without any tunes.

4 PSI 103mm Pulley, #21.5 Stock Injectors, Stock DME, Stock MAF, M50 Manifold, No Tune.

Music – Black Sabbath song ‘Iron Man’, Instrumental variation performed by Deano Silk Music. Enjoy 🙂

Expected Power Gain Formula

HMW, SC14 Supercharger Comments are off

Boost Calculations for M52B28 Motor and SC14 Supercharger

Supercharger Boost & Power Calculations

Here I will try to show the calculations and formulas used to get an rough estimation of expected boost from an Supercharger. The Formula can be applied to other setups and superchargers as well,

For this example We will be using the BMW 2800cc M52B28 engine as the basis the amount of boost expected from using the SC14 + 103mm Holden Pulley, To read more about pulley options for the SC14 please go read About the SC14 Supercharger Category.

And please skip to the bottom of the page if all the math below makes you dizzy, I originally modified and used this formula courtesy of the datsun1200 forums.

Note: This has served in conjunction with the FAQ section of the old site since 2015, now that we have our dedicated FAQ Section, its time to retire this as a simple post back on the blog. Last Updated – 4/29/2017

Continue Reading Expected Power Gain Formula

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