If my car is at about 120k miles and my tank is 12 or 13 gallons and I never used these before… how many should I put in?

One bottle when add gas to full tank.

Does it clean injectors

It says it cleans the entire fuel system including the injectors. We use it in all our vehicles amd we are happy with the performance. Continues use, you will see much better results.

84 k20 Does it work with a carburetor

As far as I know it is okay on a vehicle with a carburetor. I googled it just to see and it said yes.

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Lucas Upper Cylinder Lubricant & Fuel Injector Cleaner (5.25 oz.)-12 Pack

Lucas Upper Cylinder Lubricant & Fuel Injector Cleaner (5.25 oz.)-12 Pack

Product ID: 619652457

1292.28 DT

Duties & taxes included

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

Pack of 12 Upper Cylinder Lubricant and Fuel Injector

Specifications

ASIN	B0167BASDY
Brand	Lucas Oil
Country of Origin	USA
Customer Reviews	4.8 4.8 out of 5 stars (909)
Date First Available	4 December 2023
Item Weight	2 kg 10 g
Item model number	10020-12PK
Manufacturer Part Number	YHM319
Package Dimensions	21.69 x 17.6 x 13.41 cm; 2.01 kg

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