Most popular

What is the difference between a 350 and a 305 harmonic balancer?

What is the difference between a 350 and a 305 harmonic balancer?

In most cases the 305 used a wide hollow balancer about 6 inches tall, 350`s came with the solid 6 inch balancer or solid 8 inch balancer. All small block chevy generation 1 balancers are interchangeable anyways except the 400 small block and the vortec engines of 1996 and later.

Do I have a 350 or 305?

Geezer. By far the easiest way would be to pull a head and measure the bore. A 350 will have a 4 inch bore ( as would a 327 or a 302) while a 305 will have a 3.736 in bore. The difference is very pronounced once you know what you are looking at .

Where is the timing mark on my harmonic balancer?

The mark on the harmonic balancer is flashing on the top about the center of the engine. How can this be? (Registered Users Do NOT see this ad! Register now for free!) Some small blocks had a timing tab straight up,you had to look behind the water pump to see it. You may need to swap out the balancer. Also the outer ring of the balancer can move.

What’s the difference between timing marks on dampers?

A: Timing marks have changed during time. While most dampers have the mark 10 degrees BTDC (with a timing mark the same way, so it equals out, but you can see the mark past the water pump better) they came with 2°, 8° and 10° over the years (but I’m not sure about the years and exact numbers, just know they changed, could look it up somewhere).

Why is my 305 timing mark way off?

Also the outer ring of the balancer can move. If you look closely at it,it is two pieces of metal,with rubber sandwiched in between. If it gives way totally,well you can guess who’ll need a new hood,radiator,etc. Hank I got caught on that one—The timing mark for a 305 is in a different place than the timing mark for a 350.

Where is the timing mark on my Chevy 350?

Subscribe to this Thread… when I try to time my chevy 350 the mark on the harmonic balancer is flashing about 2 inches before the timing tab.

Where is the timing tab on a SBC harmonic balancer?

The matching timing tab can be viewed from the front of the engine sticking out underneath the driver’s side “leg” of the water pump. Less common is a balancer with a TDC line that is 45″ CCW from the crank keyway.

When does Chevy 350 harmonic balancer come out?

Only 12 left in stock (more on the way). Scat SCA8000 Street Performance Damper Chevy Small Block 350 Internal Balance 6. . Usually ships within 1 to 3 weeks. . . Need help?

What kind of harmonic balancer does a Chevy small block use?

For LSx/Lxx Application – match Fluidampr to your pulley and accessories being used. GM / Chevy / Buick / Pontiac small block. 262ci-350ci, 409ci V8. Internal balance. Will not fit LT1 ’92-later. 50 BTDC to 10 ATDC.

How to set ignition timing on a small block Chevy?

This is a little how-to for setting the initial ignition timing on a small block Chevy before its ever been run. Note* this post assumes that you already know how to time a running engine, just not one that never been run before or has had its distributor removed and its timing settings lost. First, you need to find top dead center on cylinder 1.

Author Image
Ruth Doyle