brokebusted

my 1984 ex81 subaru gl wagon 1.8 litre 3 speed automatic shifts at very high rpms i was wondering if it could be modulater + where is it located i have a weber 32/36 carb ordered to replace the hitachi i have been told this car dosent have timing belts have searched the web + can not find much info on them

i have a 1984 subaru gl wagon + i want to get rid of the hitachi carb ,wheres the best place to buy 1 without breaking the bank i have heard of people buying the weber carb, they all seem to be well over 300 any help thanx