Ask Away! with Jeff Smith: Lobe Separation Angle (LSA) Specs—What Does a Plus Sign (+) Mean?
I’ve been looking at cam specs for the Summit Racing Pro LS Truck camshafts and I have a question. I’ve noticed that many of the specs now list the lobe […]
Flat Tappet Rat Muscle: Summit Racing Muscle Car Camshafts for Big Block Chevy Engines
There was a time when big block Chevy engines with solid lifter camshafts clattered their way down the boulevards and highways of America. It was a time of big block […]
Ask Away! with Jeff Smith: Can I Run Solid Roller Lifters on a Hydraulic Roller Cam?
I have a small-block 350 street/strip engine that I continue to play around with. In my last session at the track, it seems like the engine doesn’t pull as hard […]
Ask Away! with Jeff Smith: Picking a Cam & Cylinder Heads for a Mild Street Small Block Chevy
I am building a mild street engine and researching my existing heads for air flow. The casting number on my cylinder heads reads 10147898: It appears these are 1995 through 1998 350ci […]
Stroker LS Cam Swaps: When is Bigger Not Better?
They say too much of a good thing can be bad, but does this apply to cam timing, more specifically stroker cam timing? Can you over-cam your LS stroker motor? […]
Ask Away! with Jeff Smith: A Good Camshaft Suggestion for a Modified Chevy 383 Stroker LS6 Engine
I have a 5.7L LS6 engine out of a 2005 Caddy CTS-V that dropped an intake valve with just over 50K on the odometer. The damage was not too extensive (no […]
How to Read a Cam Card to Understand Camshaft Specs
The world of high performance engines can be a very confusing place, where terms and specifications seem to be full of obscure references that appear to make no sense. But […]