so my pulley looks like this and there the notch is in the center , it should point to the center , instead its cut out pointing out... if you get what I am saying , it wont mate with my crank (lol) it says on the back 89-91 crx 1.6L .... is there some kind of insert I can get to put in there so it wont move or do I need a new pulley?

 

u need a keyway for the pulley
and if thats a lightweight pulley say good bye to your motor n about 3 months if ur lucky. they a not good for your motor

 

should have a woodruff key that fits into the 2 slots

#16 here:

http://www.hondapartsdeals.com/hpa_p...onGroupID=6107

 

supposedly the stock one... i didnt buy it my gf ordered it for me as a gift kinda.... so I have no idea and she dont remember where she got it. it really aint that light.... but can you elaborate on why its so bad for your motor?

it looks stock to me , anyone got any input? and thanks for the key thing appreciate it.

 

i was confused bc the old pulley had the "key" attached

 

It is not a woodruff key, its just normal key stock. Don't use a woodruff because you risk it breaking because of the lacking surface area. Also, about the lightened/racing/single drive pulleys: they are only bad if your motor is not balanced well. They do not do any harm to a well balanced, smooth running, motor. If your motor has any kind of harmonics to it, well you can kiss all your bearings good bye with a "non-harmonic" balancer. Honda's are pretty well balanced from the factory and don't even have TRUE harmonic balancers on them from the factory. People are very misinformed...

 

also while I got this thread going... do you put hondabond on the rear main cover? I did on the oil pump.

 

Yes.

 

knew you'd chime in lol. thanks man. btw are you saying I have a "non" harmonic balancer? if so does it really matter?

 

First off this is what a harmonic balancer is (Also known as the "front pulley or crankshaft pulley)

Engine Harmonic Balancer

Every time the cylinders fire, torque is imparted to the crankshaft. The crankshaft deflects under this torque, which sets up vibrations when the torque is released. At certain engine speeds the torques imparted by the cylinders are in synch with the vibrations in the crankshaft, which results in a phenomenon called resonance. This resonance causes stress beyond what the crankshaft can withstand, resulting in crankshaft failure.

To prevent this vibration, a harmonic balancer is attached to the front part of the crankshaft. The damper is composed of two elements: a mass and an energy dissipating element. The mass resists the acceleration of the vibration and the energy dissipating (rubber/clutch/fluid) element absorbs the vibrations.

Over time, the energy dissipating (rubber/clutch/fluid) element can deteriorate from age, heat, cold, or exposure to oil or chemicals. Unless rebuilt or replaced, this can cause the crankshaft to develop cracks, resulting in crankshaft failure.

There has been a trend at times by some "performance enthusiasts" to remove the harmonic balancers on their cars, usually when the balancer is attached to the crank pulley. The argument is that they aren't necessary and their mass reduces the performance of the engine. Others[who?] argue that this is not worth it, because the danger of damage to the engine from the vibrations the damper is intended to prevent is too high. Certain cars, however, do not come equipped with an external balancer on the crank pulley, and as such, can have the pulley replaced with a performance oriented product.

While net engine output can be increased without harmonic balancers, in professional race cars harmonic balancers are still commonly equipped, for reasons ranging from safety concerns to regulations. Almost all modern car manufacturers, even "performance" car makers and specialty tuners, include a harmonic balancer on their vehicles, and removal voids vehicle warranty.

Here is a quote from TOO (endyne)




Bottom line is do not use lightweight crankshaft pulleys. Alternator and a/c pulleys dont matter, but if you want your engine to last dont change the crank pulley.

 

PMed you!

 

All that is fine and dandy, but most of what you posted especially the picture, refers to V Style 60 and 90 degree motors. We have zero balance motors, not the vehicles that have "bob weights". Have you ever noticed that Straight 6 Cylinder motors, no matter what the make, tend to last "forever"? Same with most 4 Cylinder engines? There is a reason for this. The main reason being the harmonics are so minimal. Look at just about every Honda crankshaft pulley; they have no fluid dampener, no rubber dampener, no true typical way to absorb engine harmonics. Honda motors are internally balanced... Most of the time with "lightened" pulleys they are not perfectly balanced from the factory like a OEM one is. They tend to "create" harmonics, not get rid of them. People that go cheap find that out the hard way. Tell me this, if it is so important, then why does the B16B (or any Type R) not come with a "harmonic balancer"? It is because it is balanced better than a typical production line motor. What is typically balanced better you may ask, the crankshaft.