U4.2

Steve Brunton stevebrunton at bellsouth.net
Thu Apr 1 08:42:26 PDT 2010


On Wed, Mar 31, 2010 at 11:04 PM, KC Gager <kc at brgracing.com> wrote:
> We did a lot of testing last year u4 MR 9 mr 11 prov 1 prov + prov 2 U4
> rocked u 4 -2 had not legs. If you put u4 in and dynode it right a way u
> would get 6 to 7 Hp on a 1000 motor. But you let the open can sit with the
> cap on it and tested it 8 hours later you dropped 4 hp.
> U4-2 we would get 2 maybe 3 hp. I still like prov stuff user friendly very
> stable. And makes good hp. Only problem is very $$$$$
>

Did you test the R-Tech Outlaw? That is supposedly the equivalent of
the U 4.2 and what my 600 is mapped for. Definitely liked it much
better than the U4.2 stuff.

-steve


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