Venom with temp motor limiter/failsafe is good. Only thing is the temp reading in Venom is higher than temp gun reading. you would need to learn the temp reading difference between the two and set your venom accordingly. When I first got it, I tuned the engine by reading the temp off the Venom and it threw me off, then I used the temp gun, it was fine and I just need to reset the Venom. From then on, I love it.