Lucky Larvitar
So I was doing some traded with a friend and got a lucky 98% larvitar, its level 8. Is it worth powering up, or using a raid caught Tyranitar with 87%?
only got 198 candies with a few candy trades for larvitar candy arranged.
Answers
Does the "Powering up" include Evolving it as well, meaning you only have 75 candies to Power it up? If you've already evolved it and you just need to Power it up right now, then it's worth it. If you have to evolve it first, you probably won't be able to get it much past level 26, but if you power up the 87%, you can get at least to Level 37. (or higher, if the 87% is already Level 25)
Tough choice.
If you can reliably do Tyranitar raids - and can reliably catch the Raid Boss - then I would evolve and power up the Lucky. If you are going to be getting candies via trading and walking, I would power up the 87%.
Sounds horrible, actually - I only do Mewtwo raids now when there's a new player or three who are looking for help in a raid.
But yeah, in your situation I'd probably power up the Tyranitar rather than evolve and power up the Lucky.Then work on evolving and powering up the Lucky if it turns out that Tyranitar is going to still be quite as useful a Pokémon as it is now - Weaville and Honchkrow are coming out and might be viable Dark attackers, and wasn't there a Rock Pokémon (looks like a head-butting Dinosaur) that might be a better Rock attacker?