cam suggestions help please

dirttrax

New member
Stock bore hemi flatop
Billet rod
Clone crank
14cc with 28/32 valves mild port work
26 mikuni on gas but proly gonna swap to holy moses sa 390
Champion 1.1 rockers
I run on a very short track, tight turns. Off the gas/on the gas kinda track. 11/68 is normal gearing. I want the motor to pull 8k plus.
So what I'm hung on is the nr 274 or the black mamba sr. Any input or suggestions would be great, especially since it looks like the 274 comes in a couple variations.
Thanks.
 
I don't know much about the Isky Momba but I do Know tons about NRracing cams . For short track/Bull rings I like the 252 series w/1.3's . For small tracks I like the NR274 series . And for small/medium tracks I like the NR285 series .
 
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