It depends on a couple of things.
Do you want hydrualic solid flat tappet( cheapest), hyd./solid roller ( more expensive, but high lift).
Vehicle weight.
Where do you want the power? off idle 4500prms or 3000-6500rpms? What's the redline?
Manual or automatic, rear gear ratio.
Street/strip or cruiser
Fuel economy (wider lsa), power or sound( tighter lsa)
Power brakes? Requires 18+" of vacuum to operate properly, 16+ with vacuum canister.
What heads/intake/compression,EFI or carburator,etc. (stock stuff max out before .500" of lift). EFI will need 112-116lsa vs. 110 usually for carb.
256-262 adv duration (210-218 @ .050 lift) 110 lsa for daily driver 1000-5600rpm 264-270 duration with 112lsa for up to 6500rpm, anything large will need a 114lsa <280 for 7000rpm redline.
Comp cams has xtreme energy cams design for fast/high lift
Their XE262h-10 has a rumbling idle, good power 1300-5600rpm .462/.469 lift with 1.5 rocker arms,still will work with power brakes, 9.25compression, 348hp/415 lb-ft
they can give you a recommendation by filling out a form that describes what you want.
- (@.050) - (302-350)
210-225 for stock equipment daily driver
215-230 dual plane, ported or aftermarket heads, 9.5-10.5cr, headers (street/strip)
220-240 single plane manifold, 10.5+cr
The old general rule was 230 degrees @ .050 lift was the recommended max for street use. I would personally "limit street cam" it to <220* for 302-327, <230* for 350-360, <240* for 383-408cuin.
I would go solid roller with cams bigger than 220* @ .050 due to hyd rollers are usually limited to 6200-6500rpm, unless building a stroker engine. Higher ratio Roller rockers can give you more lift while keeping a short duration for better idle/vacuum/low end power.
look on the internet you fool.
A camshaft with higher lift, longer duration and most importantly, more overlap
That is called the lift
I would have to say your always safe with RCD.
if you raise the lift and duration, you will raise the horsepower.
depends on the specific shaft you get. ones I've found online say they will give anywhere from 10 - 50% more power, depending on the amount of lift
Body lift MAYBE. suspension lift ? NO...
if it is a small block chevy cam it should be .422 intake lift .442 ex lift .050 duration 204 on intake 214 on exh on a 110 lobe center hope that helps
No, the rough idle is the result of a high lift cam.
remove the valve cover,remove timing belt , lossing all caps that hold camshaft,then remove the caps, lift out the shaft.
Service manuals can be found at library or auto parts store
It is a measure, in thousandths, of how far the cam lobe lifts the valve open, off of the seat.