Pretty much the only 1.6 roller rocker you’ll run into problems with is a Comp Mag or Pro Mag, they’re a widebody rocker and require some clearance to the valve cover to fit properly.
Can you put roller rockers on stock heads?
You might consider the CompCams roller tip rockers designed to be used with the stock Ford heads. Most other full up roller rockers require the screw-in studs. I had the CompCams units on my 302 until my recent rebuild and on my 351W right now. They never gave problems and provided a 1.6 lift ratio.
How much HP do 1.6 Rockers add?
Those results found the 1.6 rockers making more than 20 hp over the stock 1.5 rockers.
Do roller rockers add power?
Roller rockers make power two ways. First, a rollerized rocker fulcrum reduces energy losses from mechanical friction in the drivetrain, freeing up horsepower. At the same 6,000-rpm peak, we made 401.1 hp and 412.9 lb-ft of torque, a gain of 11.2 hp and 5.9 lb-ft of torque.
Is the LT1 a roller cam?
Chevy LT1 Hydraulic Roller Camshaft (Small Base Circle) Performance level – Stage 1 – Works well in stock or slightly modified engines.
How much HP gain with roller rockers?
You can easily gain 20 horsepower with a rocker arm swap, but installing them isn’t quite as simple as removing the stock rockers and bolting on new ones. For seasoned car guys, it’s a quick process, but if you’re new to the task of setting valve lash you might want to take some notes before you tackle the project.
Can you use roller rockers with hydraulic lifters?
The two don’t necessarily need to be used together. Roller camshafts and lifters can be used in an engine that features nonroller rockers; by the same token, roller rocker arms can be used in an engine that features a flat-tappet solid or hydraulic camshaft.
Are roller rocker arms worth the money?
Besides the potential power benefits of an increase in rocker ratio, roller rockers have several additional power-adding advantages compared with a stamped rocker. The advertised ratio of aftermarket roller-tip rockers is more accurate than the claimed ratio of typical stock stamped rockers.
Are roller rockers really worth it?
How much HP do roller lifters add?
Roller lifters are exactly what they sound like, as there are literally little wheels attached to the ends of the lifters. The biggest benefit from this roller system is the reduced friction between the lifter and the camshaft, and this can be an easy 15-horsepower by itself.
Does a roller cam need roller rockers?
To sum up, an engine may be equipped with a roller camshaft, regardless of the style of rocker arm. By the same token, pivot-roller or full-roller rocker arms may be used regardless of camshaft design. Or roller camshafts and roller rockers may be used in combination.
