Roller cams?

Question:
what is the difference between a flat tappet mechanical cam and a mechanical roller cam?

Answers:

best way to flush cooling system?

if you're buying its well worth the money to get the roller
its about 30 to 50hp more with matching roller rockers
less heat
less friction
more power
dont settle for less

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How many gallons does a 96 ford taurus gas tank hold?

there is a roller on the bottom of the lifter to cut down on friction. this frees hp and allows more radical cam timing :)

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Do some SUV's require to have their oil changed sooner than 3,000 miles?

The lifter on a flat tappet cam is just that-flat, a roller cam has roller lifters which have a steel roller on the end where the cam meets the lifter, it allows you to grind a cam with more lift per durration=more power, and no break in time, they do cost a bit more, but dont really wear very much.

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Anybody know why your brake lights would work when your headlights are off, but not when they are on?

regular hydraulic [flat tappet] cams&lifters are simply fine polished flat bottomed lifters riding on a cam shaft on a thin layer of oil................while roller cams & lifters actualy have a roller bearing in between to improve responce while reducing friction!

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Where can I find a place that can change my manual locks & windows in my car to power windows and power locks?

get you a solid roller cam and you can tighten it up everyday.LMAO!!!

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Does Toyota uk have to honour warranty on imported Toyota's?

you just answered your own question,
if it's the difference in the cam itself.
Roller tappet cams can have more aggressive profiles on them that flat tappets are not able to follow properly

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