race cams

[gravityshot]

hey what race cams will fit in my xr140

 

[mcanix]

THERE ARE AT LEAST 9 DIFFERENT ONES
6mm Lift--6.7mm Lift and 7mm lift. Each one is available in bottom end, mid range or top end

CARBY

 

[SEDUCE]

i just got a race cam and alot of head work done (3 angle vale, ported polished) and holy **** it goes hard now.

 

[gravityshot]

where did u get the work done at?

 

[crazzy #1]

usually engine places that restore/rebuild/recondition motors would do that kind of work

 

[gravityshot]

hmm what should i do 1st the high comp piston or the race cam?

 

[Cactus Jack]

They both go together ....... to counter bottom end torque loss you need higher built in compression to make up for compression lost at lower revs due to the increased overlap of a race cam ...... and you need the cam to be able to check for valve to piston clearance etc .