cartech or downs upper users?

[apv-stang]

are any of you guys running the cartech or downs upper for the gt-40

i ask because im trying to find some other options then the cobra or the gt 40

i only have the lower and want to put it to use but would like to try something else

scott

[root]

I used the Downs box with the GT40 lower. The pair was sent to TEA, cut welded and ported to a 1262. I used it on my 306 Procharged with 14lbs of boost.

Worked great!

Ian