PDA

View Full Version : big gun over rev, revbox


250excrf250r
03-02-2008, 06:04 PM
i am thinking of getting on and probly wil because i do not want to get big bore etc. how do the big gun preform and are they reliable
m.h.s.c.#527
03-02-2008, 06:26 PM
just got mine alot of torque with the timing changes and its a good investment so far 5th gear feels a lot longer
ryanh250ex
03-03-2008, 03:36 PM
The boxes supposedly increase timing which wil help performance, but i still think winding out a 250 to 10k rpms on a stock cam/head casting is useless.
03-03-2008, 05:21 PM
Originally posted by ryanh250ex
The boxes supposedly increase timing which wil help performance, but i still think winding out a 250 to 10k rpms on a stock cam/head casting is useless.

yeah you would have barely any HP at all in that high of RPM's and its just more risk. Get motor work done and then I can see how te extra RPM would be good for you.
m.h.s.c.#527
03-03-2008, 11:23 PM
u may think that but its not