1983 Mini Leyland

Bought to fix up for my son.
Works done to date:
1) Starter motor fixed
2) Extensive work by Auto-electrician
3) Licence up to date.
4) Brakes & Drums redone
5) Clutch & Break Master attended to.
6) Tie rods,rack ends & susp/shocks
7) Fuel tank sand blasted
8) Cylinders & points
9) New battery & leads
10) Gasket,brake cylinders&shoes
11) General repairs
Have run out of money
Works still required :
a) Exhaust looked at
b) derusting & respray
c) No electrical spark