ok im new here and quiet new to the nitro scene

so have a few problems iv bought 2 cars from e bay

1st is a tm g4rs with lots of k factory extras and a picco evo 3 engine

2nd is tm g4s with the same loads of k factory extras

right on to my problems my 1st car which is the g4rs has 2 servos steering servo is futaba digital s3050 and throttle is futaba digital s3151

my options are a futaba 3gr fs 40mhz synnhesized with futaba r303fhs 40mhz synnhesized receiver

do any off you guys run these and find any problems

2nd is the g4s i was looking at gettin the same servos and receiver but there expencive is there a cheaper alternitive

as im lookin at eventualy racing them

any help would be great

ger