mazda3zoom
Member
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- Sweetest Car Ever
Anyone know what this is....
- Thread starter mazda3zoom
- Start date
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- MP5T / 944
Looks like a harmonic Balance Shaft.
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- MP5T / 944
[font=arial, geneva, helvetica]BALANCE SHAFT [/font]
[font=verdana, geneva, helvetica] Definition: A shaft designed so that, as it rotates, it vibrates in a way that reduces or cancels some of the vibration produced by an engine. Not essential to an engine's operation, balance shafts are nonetheless becoming increasingly common as a means of engine refinement. Balance-shafted four-cylinder engines use two shafts turning in opposite directions on either side of the engine's crankshaft. A single balance shaft is used when fitted to three-cylinder and V-6 engines.
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- MP5T / 944
Is it hooked to the crank?
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- 2003 Subaru WRX Wagon, 2000 Miata
\Brian MP5T said:
hehe... you said shaft
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- MP5T / 944
Looks like the mazda 3 has a timing chain not a timing belt...
mazda3zoom
Member
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- Sweetest Car Ever
yeah its hooked to the crank because i was turning the engine over manually and i could see those things spinning too. so that means if i take that off its gonna have to be in the exact same place as it was before or else it wont work properly??? also while i was turning the motor over i could hear air leaking from somewhere. is it normal to hear that or do i have a bad piston ring? if its a bad piston ring that could put more pressure on that connecting rod bearing causing it to go bad. Right?
mazda3zoom
Member
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- Sweetest Car Ever
Brian MP5T said:
if your reffering to that little chain that just goes to the oil pump, i dont think you can see the timing chain or belt in those pics.
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- MP5T / 944
mazda3zoom said:
Are the spark plugs in? If so the air is normal.
The timing on the balance shafts will have to be exactly where it is now or the engine will run like ass. The car will run faster without them but not be as nice to drive. It's like a flywheel, the lighter the wheel, the less rotational mass...
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- MP5T / 944
mazda3zoom said:
So the oil pump has it's own chain? Crazy!
mazda3zoom
Member
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- Sweetest Car Ever
yea the oil pump has its own chain, you can look up there and see where its connected to the crank. So IF i took that balancing thing off would the power gains even be noticable?? and how bad do you think the engine will shake without it???
power gains would be negligable... you may rev a bit faster, but its not the same as a lightened flywheel, there are some guys on here who have done the bs delete, i don't think they are actually removing the complete set up as you want to, i would ask them first, i believe badger biker did, and a few others, check some sigs they say it in there...
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- MP5T / 944
mazda3zoom said:
I think you would miss them.
tsunami said:
I have done it awhile ago and it is more of a drivablity mod than a power mod. It was dyno test and showed a gain of 3whp and 3wtq.
There is no added vibration at all.
I woudn't compare it to a lighten flywheel though. But it is a nice mod to do.
You will need to plug the gulley hole if you are removing them. There are a few ways to do it. I'd suggest the kit, but seems to be forever on backorder. You could always tap the hole and insert a bolt, not sure how safe that will be as I wouldn't do it that way.
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- MP5T / 944
So removing them will lighten the car, give 3 WHP and does not change the way the car drives... Bing Bing!
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- MP5T / 944
Can I ask why you didn't just take it to the dealer?
mazda3zoom
Member
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- Sweetest Car Ever
Brian MP5T said:
ive gotta 5o,000 mile warrenty and ive got 51,200.lol. :bs:
