Because Im an Anal bastard in everything I do I like to see
improvements in everything if possible especially in a car
that had such a short production and design life/time etc.
These are my original takes on years of playing with 1000s.
I have more to come when I have time to I will post them up.
 
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Chopped carefully then smoothed gutter drain for neater look
yet works better, reducing leaves blockage & moisture trapping 



 
Extra space for bigger engines to fit if need be with allowance
for heater hose modifications to smoothen firewall further

 
 
Hoses redirected under the trans tunnel and also in the back
you can just see petrol filter modified and mounted on brass
brake line junction removes one more thing from firewall
 
 
 
Heater hose outlet cut and flipped to redirect heater hose
under the exhaust manifold instead of around exhaust and
sitting on inner guard on 120y and some 1200, just another
hidden item to simply beautify the bay - minimalist strike!
 
 
 
Tie clipped atm till I make a neater wire holder but aims
heater outlet hose to the tunnel area - for me hiding stuff
out of sight is a 1000s main appeal of simple and neat car.
Breather outlet chopped and fed to carb filter to help A12
engines original design but better using same one way valve
from side of manifold now hidden underneath filter cover base.



 
Gearstic cover base using Nissans Parent company and saviour
Renault from its French 1200 the R12, just as sturdy but quirky.
They used stainless steel base plate and fits a treat with self tappers. 

Leith thought youd like that but you should also consider
the gutter drainage mod for that extra needed spacing for
the bigger heart you have in mind. While the heater hoses
will be under your inlet manifold on the drivers side