347

I am running a solid flat tappet cam with .022 hot lash
If I was to take the lash to .015 hot,what would change in my engine?
idle?
more or less top rpm?
more or less bottom end?
any damage to rockers? valves?

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ebxr8240

There is a safety factor built in there buy cam builder, just be carefull of piston to valve clearances,Should be slightly more cam duration, lift and if lift is defficiant in the first place it would imo make more up higher in rpm...

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blue66coupe

Biggest diff is idle degradation, a poofteenth more top end and a loss of low speed torque

buzz

My cam had 25 recomended but sounded clacky, I took 'em up to 12 which is alot better. I knew I had piston to valve clearence though. The difference in idle quality was quite noticable. When you think about it it would increase the duration somewhat.