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Do you need valve springs for Cam swaps?

Do you need valve springs for Cam swaps?

When it comes to cam swaps, the change usually requires an upgrade of valve springs as well. For some enthusiasts, this is a bit tricky as some enterprising hot rodders lack the tools necessary to properly install the springs. Luckily, Lunati has options for these people.

Which is the best camshaft for a 6.0 liter car?

Those who feel the Stage IV camshaft is the right choice, need to consider that this cam is best used in highly modified 6.0-liter or larger applications with manual transmissions or automatic cars with a 3,000-plus stall converter. It is ideal for budget-friendly race cars and serious street applications.

Do you need a camshaft for a LS engine?

Although all engines require a camshaft, when Chevrolet sprang the LS engine on enthusiasts, the new engine made a drastic departure from the traditional small-block’s breathing characteristics.

What should the valve lift be on a LS Cam?

Valve lift opens for .542/.542-inch, and the LSA/ICL is 115/111 degrees. This cam is designated to be right at home in an RPM range of 1,800 to 6,200. If you’re not worried about changing valve springs or needing other mods, then you might want to check out the Black Magic line of LS camshafts.

What kind of oil to use for cam swap?

Before running the Hemi on the dyno and performing a cam swap, we replaced the factory valve springs with 26918 springs from the COMP Cams catalog and filled the crankcase with Lucas 5W-30 synthetic oil. The motor was tuned using a FAST XFI management system and run through a set of STR8 exhaust manifolds.

Can you add a cam to a hemi?

When you add the right cam to a Hemi, you end up looking like a hero. We recognized that the power gains would be greater on a 6.1L or 6.4L, but we decided to run this test on the more common (and now affordable) 5.7L Hemi. Before swapping cams, we had to select a suitable test motor.

How much horsepower can you swap in a hemi?

Swapping the cam netted an increase of 65 horsepower (peak to peak) and an additional 100 horsepower at 6,300 rpm.

How many horsepower does a 5.7L Hemi head have?

In stock trim, the intake ports on the 5.7L heads top 260 cfm. That is enough airflow to support over 525 hp on a modified (normally aspirated) Hemi application. The larger 6.1L (and 6.4L) heads flow even more, but the icing on the cake is that all heads will respond to porting.

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Ruth Doyle