Also you said about cleaning your carby
if you know how to do this give it a try!

Hmm it might be worth draining fuel and putting in a fresh 10 litres?
How much fuel is in your tank?

You said your air filter and dizzy cap was wet
a wet airfilter would meen there is a high chance that at some stage there would be water in your cylinders

so as i said before make sure your spark plugs are in a good state.
water in a dizzy cap makes the electrical contact points corode very fast
make sure the little nobby bits on the underside of your distributor cap are clean
also the rotor button, clean the breaker points also.

i know i have gone back and forth between fuel and electrical
but imo trying everything is worth it in your current situation

goodluck sumith
and remember its a datsun! Chances are its gunna be good as gold with some time and patience

Maybe water in the exhaust system? (nah surely not) If you have checked the things listed above I'm stumped!

Hi juniorjay

I have no idea what was the water level in the road ,but it was bit high like 1 feet up,do i need to drain my fuel tank or just cleaned the fuel pump and the carburetor would be enough ? i cant accelerate the car, it makes a sound and stops.

Thanks
Regards
Sumith

check all points where there is electrical contact

eg all spark plug leads connections, coil to distributor.
maybe even check spark plugs, clean and reset. ( they wouldnt have been effected by the water but its worth checking to rule out any possibilities )

if you have time reset points

if it is electrical it would have been fixed by checking all of the above.
could be water in fuel?
how high did the water reach on the side of your car?

check water in the leads and coil?

Hi Guys

My datto got into flooded water, still it was running but i had alittle miss in the engine, last Saturday tried to start it doesn't start, removed distributor cover, air filter they were bit wet and cleaned and kept them on hot sun,cloned the platinum point(dwell) plugs etc, after that it was started, but always have a miss fire from the exhaust with puff puff sound.what would be the case guys any think else that i can do ?

Thanks
Regards
sumith