Spring Rate – Spring Load – Load RateFrom Eaton Detroit Spring, Inc The most mis-understood and the most mis-applied spring terms What you are about to read is the gospel and anyone who says otherwise is a know-it-all who knows nothing. (all disagreements can be sent to Mike, 3rd generation spring maker with nearly 30 years… Continue reading Spring Load – Spring Rate – Load Rate by Eaton Spring

Drive Shaft Basicsby  Jim  Clark,   Hot Rod  M.D. What:  A solid steel or hollow steel/aluminum tube that transmits rotational power from the output shaft at the rear of the transmission to the input/pinion shaft in the rear differential.  The solid steel or hollow steel shaft with outer housing (closed driveline) is usually housed inside a… Continue reading Drive Shaft Basics by Jim Clark, Hot Rod M.D.

Drive Shaft  HarmonicsDRIVELINE/UNIVERSAL     JOINT CANCELLATIONBy  Jim  Clark,  Hot Rod  M.D. What: Solving the problem of driveline vibration.  Driveline geometry.  The process that can be used to address a condition called driveline/universal joint cancellation, often referred to as adjusting pinion angle.  This process can be used to eliminate the vibration and premature wear caused by improper orientation… Continue reading Drive Shaft Harmonics By Jim Clark, Hot Rod M.D.

HOSE ASSEMBLIES THE EASY WAYfrom  Koul Tools  Every time you look over a race engine you will notice most of the hoses are covered with a stainless braid. This stainless wrap protects the hoses from punctures or cuts. Very important in racing. Constant rubbing against body parts or even other hoses, tends to damage an… Continue reading Stainless Braided Hoses The Easy Way

The following is excerpted from “Spring Tech 101” an 8-page fully-illustrated downloadable PDF booklet available from Eaton Detroit Spring at www.eatonsprings.com. Eaton Detroit Spring, Inc is the leading manufacturer of springs for the restoration and street rod industries with a library of over 23,000 original equipment blueprints and an in-house design and manufacturing team. Their web… Continue reading Spring Basics from Eaton Spring

COIL SPRING SUSPENSION What: In a coil spring suspension system, the steering knuckle and wheel spindle assembly is connected between upper and lower control arms. The control arms are connected to the vehicle frame, and the coil spring is positioned either between the upper control arm and the vehicle’s body or between the lower control arm… Continue reading Coil Springs

COIL SPRING SUSPENSION On a coil spring suspension, the spring is mounted between the axle housing and frame. A lower control arm connects the axle housing to the frame. Some vehicles use an upper control arm for added stability.

TORSION BAR SUSPENSION What: There are no coil springs in a torsion bar suspension system. Instead, a torsion bar supports the vehicle weight and absorbs the road shocks. While a coil spring performs these functions by compressing, the torsion bar acts by twisting. How: The torsion bar is connected between the lower control arm and the frame.… Continue reading Torsion Bars

LEAF SPRING SUSPENSION Control arms are not required on leaf spring suspensions. The leaf spring is connected to the axle housing with U-bolts and to the frame by bolts in the front and by a shackle assembly in the rear. The shackle assembly allows spring movement. In both applications, shock absorbers connect between the axle… Continue reading Leaf Springs

REAR SUSPENSIONS Rear suspension systems are as critical to ride control, as front-end systems. A vehicle must be in optimum pitch and balance to ride right. There are two types of conventional rear suspension systems: coil spring and leaf spring. COIL SPRING SUSPENSION On a coil spring suspension, the spring is mounted between the axle… Continue reading Rear Suspension