What length connecting rods do I need?

CHEVROLET V-8 CONNECTING ROD LENGTHS

How do you calculate stroke to rod ratio?

To figure out an engine’s rod ratio (aka rod-to-stroke ratio), divide connecting rod length (that is, the distance from the center of the big and small ends, aka center to center or c-c) by stroke (that is, the distance within the cylinder the piston travels).

Does rod length affect stroke?

Longer rods can improve rod stroke ratio, reducing thrust loading on the piston. A popular misconception is that rod length affects displacement, which it does not. Only cylinder bore and crankshaft stroke alter the displacement of an engine. Longer rods typically require shorter, lighter pistons.

Can I use shorter connecting rods?

A shorter rod will decrease rod ratio, while a longer rod will increase the ratio for the same stroke. As the ratio decreases, the rod angularity, or angle between the connecting rod and cylinder wall, will increase. The maximum achieved angle always occurs at 90 degrees before and after TDC.

How do you calculate the length of a rod?

Measure the length of the metal between the end of the connecting rod and its inner diameter, taking the measurement as close to center of the rod end as possible. Perform this measurement on both ends, then add the numbers together. Add the total to the sum of the halved inner diameters.

What is the ideal rod ratio?

Some engine builders say a “good” rod ratio is anything 1.55 or higher. Production engines may have rod ratios that range from 1.4 to over 2.0, with many falling in the 1.6 to 1.8 range. Four cylinders tend to have lower rod ratios (1.5 to 1.7 range) while many V6s have somewhat higher rod ratios of 1.7 to 1.8.

What are shorter rods used for?

Shorter rods with precise tapers make it easier to drop a lure on a dime and provide a more subtle entry. For example, one of my favorite techniques is to fish a spinnerbait or swim jig around shallow targets.

Does a longer rod make a motor a stroker engine?

Keep in mind that rod length does not affect the displacement of the engine, it is common to have a stroker motor that uses an increased crank throw, decreased piston compression height, and stock rod length to achieve additional stroke.

What is the best connecting rod ratio?

What are long fishing rods for?

Longer rods are for covering more water and casting a great distance. They’re great for walking baits, deep diving crankbaits, and other power fishing reaction baits. Saltwater anglers casting from piers or the surf commonly use longer rods.

Are shorter rods more accurate?

A rod’s length affects casting distance, accuracy, and hook set leverage. Longer rods (over 7 feet) will cast farther than shorter rods of the same power and action, and shorter (.

What makes an LSX 454 a hot rod engine?

The LSX454 is constructed with an all-forged, super-tough rotating assembly and features a pair of deep-breathing LSX six-bolt cylinder heads. It also comes dressed with great-looking, all-new orange powder-coated valve covers with engraved “LSX454” logos.

How big are the rods on a GM lsx454r?

Like the pistons, each rod is measured with a custom air gauge tool, which measures the small and big ends simultaneously. The LSX454R uses 4340 forged steel I-beam rods that measure 6.000 inches in length. They also feature a larger small end to accommodate a larger wrist pin.

What kind of engine is a lsx454 crate engine?

Part Number: 19355573. Engine Type: LSX-Series Gen-IV Small-Block V-8. Displacement (cu. in.): 454 (7.4L) Bore x Stroke (in.): 4.185 x 4.125 (106.3 x 104.8 mm) Block (P/N 19260099): LSX cast-iron with six-bolt, cross-bolted main caps. Crankshaft (P/N 19244018): 4340 forged steel with eight-bolt flange. Connecting Rods (P/N 19166964): 4340

Is the LSX long block engine rear wheel drive?

The LSX long block engines come with a crankshaft harmonic balancer (dampener) which is designed to align with a 2009 production rear wheel drive car accessory drive systems. GM Performance Parts (GMPP) offers several front end drive