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What I am struggling with now is the location of the steering rack, I have not purchased a rack yet but I do have a electric motor that pumps the fluid out of an Opel/Holden Astra.
At the moment the steering rack needs to sit about where the front of the crank pulley is and I still need to add a small pulley to the front of the crank for the dry sump.
I have two ideas at the moment to solve this but am open to suggestions from you guys.
My first idea was to use those rack offset spacers that drifters use to step the rack forward but still keep the tie rods where they need to be, this will gain me about 25mm.
The other idea is to move the front wheels forward i.e. extend the wheelbase. This will obviously move the tie rod connection point on the knuckles forward buying me some more space for the steering rack. I am not sure if I am overlooking any downsides to extending the wheelbase though? Normally that would be rather extreme modification but since I am already re-designing the whole front suspension its actually very easy for me to do. Also I have noted in a video on youtube that the Subaru GT300 BRZ extended their wheelbase by 35mm for the 2017 season.
The orange string line in this photo shows where the rack needs to be.
