The size of a small block Chevy harmonic balancer can vary depending on the specific engine and its configuration. However, based on the search results, it appears that the most common size for a small block Chevy harmonic balancer is 6-3/4 inches in diameter. This size is typically used for internal balance engines. It’s important to note that there may be variations and exceptions depending on the specific application and modifications made to the engine.
Contents
- What is the diameter of the SBC crank pulley?
- Is the harmonic balancer bolt same as crankshaft bolt?
- What size is the harmonic balancer on a Chevy 350?
- Are all small block Chevy harmonic balancers the same?
- What size is harmonic balancer bolt?
- What size harmonic balancer for SBC 383?
- Are 305 and 350 harmonic balancers the same?
- What size bolt holds the harmonic balancer on a small block Chevy?
- Does size matter on a harmonic balancer?
- What does a smaller harmonic balancer do?
What is the diameter of the SBC crank pulley?
6 9/16″
SPECIFICATIONS – Three grooves for 3 V-belts. Pulley Diameter is 6 9/16″, Pulley is 2″ Tall, Bolt Pattern is 2 3/4″, Center Hole is 1 1/8″.
Is the harmonic balancer bolt same as crankshaft bolt?
Is a crankshaft pulley and harmonic balancer the same thing? No! They are two different things. The harmonic balancer slides onto the front of the crankshaft which has a keyway on it to keep it from slipping and a bolt and wide washer holds it in place.
What size is the harmonic balancer on a Chevy 350?
Nearly all 350s came with an 8-inch balancer because of their relatively long stroke. An 8-inch balancer was used on the short-stroke, 3.0-inch-stroke, 302 Z/28 engines because those mills were intended for road racing.
Are all small block Chevy harmonic balancers the same?
You can use a balancer from any SBC except a 400, as long as the diameters are the same to clear your timing comb. Put your own TDC mark on if they’re not in the same spots.
What size is harmonic balancer bolt?
Product Specifications
| Bolt Grade: | Class 10.9 |
|---|---|
| Thread Diameter: | M12x1.5 |
| Thread Length: | 40 mm |
| Thread Pitch: | 14 mm |
| Thread Type: | Fine |
What size harmonic balancer for SBC 383?
If your crate engine requires a 400ci harmonic balancer – this is the balancer for you! Fits many popular 383 Stroker crate engine configurations from BluePrint Engines and many others.
Are 305 and 350 harmonic balancers the same?
It will fit The 305 and the 350 have the same crank in them. However if your balancer is the original 1985 It is a good idea to change it due to the flex mount getting old and slipping. Just make sure its the same thickness for pulley mounting.
What size bolt holds the harmonic balancer on a small block Chevy?
7/16-20 in
Description Thread Size: 7/16-20 in.
Does size matter on a harmonic balancer?
No matter what anybody tells you, size does matter when it comes to the harmonic balancer you use on an engine. Putting an incorrectly-sized balancer on an engine will do more than just cause it to not reach its full performance potential … it will cause serious damage to the rotating assembly.
What does a smaller harmonic balancer do?
The larger mass of the 8″ balancer is better at canceling crank harmonics which increase w/stroke size—prolonging crank life. The smaller balancer is better for acceleration w/less weight and smaller OD.
