You could keep the same Velos and use a small plenum to house it all
and then run a pod filter facing the radiator. there is still plenty
of room from the Velo stack openings and the strut tower.
Longer stacks are supposed to create better response/torque?.

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Velocity stacks come in various sizes, looks like you got some long ones, get some short ones.

Very impressed with your attention to detail.

Id love to have the whole assembly like a vanette where all the
brake and clutch master cylinders are under the dash and use
the remote reservoir as suggested above.

I would run the Datsun remote reservoir and keep the air horns (no air filters). The air horns apparently make a lot more power than a filter, because of the shape. Even the Datsun factory twin-carb setups used short trumpets inside the air cleaner.





or you could do what Datsun did in the pickups and remote the cylinder. But it looks kinda wierd:

Usually get around 1/2 to 1" clearance at the firewall.

You'll want to modify that motor mount, the engine is too high and will affect the u-joint angle slightly (although many guys run 'em that way). The pan should have about 10mm clearance to the crossmember if I recall correctly. Or the engine sits fairly level.

With that cannon manifold you could easily make a square plenum to sit a downdraft weber idf 36 (alfa romeo sprint) its shorter than original hitachi and will clear everything

Maybe once the box is fitted the engine will tilt a tad & clear pipes a bit more?

Love what you are doing all looking gorgeous!!!

So here sits the A15 finally in the engine compartment. Decided to fit the Weber & Cannon manifold along with the header, heres the issues:

Velocity stack/tube interferes with the MC, just a tiny bit, I could remove the tube & ideally I'd like an air filter, just wondering if any particular type fits with the stock MC & what have people done to deal with this ?



the header, fits w/the cannon nicely but has minimal clearance to the firewall. Its hard for me to tell where it'll actuall sit as I dont know if the engines at the final angle once the tranny's attached. Does it look like the angle will change much & how much firewall clearance does one normally end up with running a header ?







any input would be helpful.

thanks!