What's the skinny on ...

[GibViper]

these Power Valves from Thunder Products? Is there an increase in performance?

Is anyone using these?

 

[Gagt518]

Hmm never heard of them?

 

[tntmax]

i checked the site, i dont see them sorry, am curious though...

 

[GibViper]

Came across this site...

Check it out...

http://www.thunderproducts.com/tpi_knobby_air_valves.htm


Although now I see they are "Air Valves"

 

[tntmax]

i reccommend Dial-a-jet, works great, sled will always run crisp with the turn of a dial in various temperature and elevation changes..

 

[Thumper1]

thats a picture of them in a viper. i have 4 in my viper. easy to install. keep all 4 open all the way until it gets below 0F degrees then i shut them off.