Project MKVI Golf TDI: Dieselgeek Sigma 6 Short Throw Shift Kit

by Jeff Naeyaert

In our LAST update we brought the torque and horsepower of our little Golf up 30% and 24% respectively!  Before that we sorted out our wheels and suspension.  The most glaring problem we had left in our daily driver was the row-boat shifting of the stock 6 speed manual.  Installing a short-throw shifter is a very common modification drivers do to improve the interaction with the vehicle and in most cases is fairly easy to do.  We looked no further than Dieselgeek, a small company out of San Antonio, Texas and their Sigma 6 short throw shifter kit for our MKVI. 


Unboxing the Dieselgeek Sigma 6 without ever having installed a short shifter mechanism of this type left your author thinking “What the f*** is all this stuff?” 

At almost $200 the shifter isn’t the cheapest option available, but it is the most well engineered and uses much higher quality components than competitive offerings or even the factory.  The Sigma 6 Shifter does not replace the actual shift lever in the car like many short throw shifters; rather it changes the shifter linkage to modify the throw.  The Dieselgeek shifter replaces the plastic and rubber cable ends found in the stock shift linkage which have a lot of slop and flex with all aluminum cable ends and teflon-lined steel spherical pivot bearings.


Installing the Sigma 6 isn’t as straightforward as a solid linkage type shift lever but fortunately the kit comes with a 29 page installation manual (online) with very detailed instructions on how to properly install the shifter.  If you don’t like to read, there’s also a 4 part video installation guide available.
Don't let that 29 page manual intimidate you, it's not complicated--just thorough!  Remove the airbox to get to the shift link beneath and you're already on page 8!
The shift linkage is made up of two cable ends and shift brackets.  One cable controls the side-to-side motion of the shifter (like when you're shaking the shifter back and forth to make sure you're in neutral) while the other controls the front-to-back movements (e.g. first to second gear). The stock linkage is made of plastic and rubber componentry which is great from a cost and factory assembly standpoint, but not ideal for solid engagement and shift feel.
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Dusty Duster
Dusty Dusterlink
Wednesday, April 30, 2014 4:48 AM
Sometimes the best modifications are the small ones that simply improve the enjoyment of driving.
Wednesday, April 30, 2014 7:02 AM
Perhaps its just me, and I sincerely hope not, but is that gif on the opening page a tribute to Derek Zoolander?
Wednesday, April 30, 2014 7:33 AM
We have one of these shifters on a 1997 Golf GTI (its a lemons race car) and it REALLY helps!! Highly recommended.
Wednesday, April 30, 2014 9:21 AM
Am I the only one who has never installed a short shifter? Also, I'm driven nuts by the EXTREME short shifters where in people have about 3/4" or less of throw from in 1st to in 3rd....No thanks.
Jeff Naeyaert
Jeff Naeyaertlink
Wednesday, April 30, 2014 11:54 AM
help me out supergreddyrx... none of us in the office can figure out what scene you're referring to ;)
Wednesday, April 30, 2014 4:53 PM
Ah. So it is just me. That's not a good sign. The scene in question was at the ultra exclusive "day spa", in the massage room.


If that works. Else search youtube for "Derek Zoolander in the massage room".
Thursday, May 01, 2014 2:37 PM
@ supergreddyrx: yes, LOL.

@ -Tom- : I hate the short stubby shifters, but if you can keep the shifter near the steering wheel AND shorten throws (as this one has), then that's a win. Project G20 is still rocking the stock shift lever, as all of the short shifters changed the fulcrum point AND shortened the overall length for some reason. If it were up to me, I'd have a WRC style shifter... :)
Jeff Naeyaert
Jeff Naeyaertlink
Thursday, May 01, 2014 11:48 PM
Oops! I forgot to put this image in of the improved shift speeds since the new shifter was installed...

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