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Do Roller Rocker Arms Add Horsepower?

One of the most common valvetrain upgrades for pushrod-style engines is roller rocker arms, which are often said to increase horsepower through reducing friction. But is it true? You’ll find out on this episode of Engine Masters presented by AMSOIL, as we use a 7,000-rpm, small-block Chevy to test stock-type stamped-steel rockers, roller-tip rockers, full rollers, and full rollers with a ratio of 1.6:1 rather than the stock 1.5:1. We’ll reveal the facts and myths around the horsepower claims and discuss other things you need to consider before purchasing any rocker arms for performance engines of any kind.


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3 days ago

Muscle Car Fan

Found a sweet all original 64 Cadillac, needs a motor ...

3 days ago

Muscle Car Fan

64 All original Cadillac with 53,000 miles ...

3 days ago

Muscle Car Fan

64 All original Cadillac with 53,000 miles ...

4 days ago

Muscle Car Fan

Found a sweet all original 64 Cadillac, needs a motor ...

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Love them old cats

Too bad it's a four-door

The supercharged 6.2L would move that metal real nicely 😉

That is so beautiful somebody took care of that cars

Dad bought one like that to resale I was in high school. To dumb to realize I'd been cool as hell in that thing

I have a 429 I am in the pro ess of rebuilding. Its .030 over .010 crank complete less pan and exhaust. Carb and air cleaner included. New fuel and water pump. $3500

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5 days ago

Muscle Car Fan

Parts Cadillacs and a 61 Starfire ...

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I need 69 cutlass 2dr post parts

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