I have in contact a gearset manufacture that can make gears, the price for a set of straight cut 3rd gear will be around 400$ or less, the manufacture have contract with Honda, Bombardier etc is a big enterprise, they can make me some set of gears if I get enough people for it.
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Transmission gear inquiry
- Thread starter XoX1de
- Start date
Outlawstar98
Member
- :
- 2003 MazdaSpeed Protege / 2013 BRZ
Um... would it be better then stock? if so how? and any stright cut options? and how about 1 2 and 4th gear? and maybe 5th?
only available for the 3rd 4th and 5th to be put on stock shaft, the material will be much better than stock one, en36a or en36c. if i have enough demand i can go with manufacturing the whole shafts. Im tryin to get this business grow beyond mazda community... but this is just an idea right now.
Outlawstar98
Member
- :
- 2003 MazdaSpeed Protege / 2013 BRZ
I just want stright cut, with harder materials....
The gear is not the issue....
The side load is the issue, but unfortunately we have no choice to modify the gear it self...
HondaEat-R
Member
With spur cut gears, you will need to use a truly high performance gear oil, and change the gear oil every time you change your engine oil, every 3,000 miles. I'm not saying that the gearbox will just explode, but you will experience surface pitting on the teeth once your oil is sheared to the point that it no longer lubricates and absorbs shock properly. I spoke with PAR for hours about this, and they never recommend spur cuts gears for daily use vehicles, and not because of the noise.
littlemimus
fear the mighty sandvich!
- :
- Mazdaspeed protege 2003
lol...great another noise my car will make hahaha. man i just want stronger gears....
SeR_Cyclops
Member
- :
- Mazdaspeed Protege
With spur cut gears, you will need to use a truly high performance gear oil, and change the gear oil every time you change your engine oil, every 3,000 miles. I'm not saying that the gearbox will just explode, but you will experience surface pitting on the teeth once your oil is sheared to the point that it no longer lubricates and absorbs shock properly. I spoke with PAR for hours about this, and they never recommend spur cuts gears for daily use vehicles, and not because of the noise.
He would know, this dude eats through PAR gears like fat kids eat cake! (birthday)
But really he is the only person I know of to have trouble with the gears, there was a 323 with a msp engine in puerto rico and it was making mad hp. It had PAR gears and the gears didnt break but they split the tranny case in half!!!!! So what im trying to say is that im sure he knows what he is talking about.
CrazyCaker
Member
- :
- '10 Stang GT / '06 Mazda5 GT
Interested. Subbing.
harrisonchang
Member
sub'd?
HondaEat-R
Member
So the next alternative will be helical cut with less helix angle? Isnt helical gear put more stress on oil because the teeth swipe everytime the contact is made between gears?
If you're really diligent about changing the oil, and can stand the noise, it'll be fine. But I think if we're all honest, most of us will never keep up the oil change intervals needed. Yes, a alternative is a beefier tooth profile and less aggressive helix angle, but the thing is...even PAR flat out won't make helical cut gears anymore for turbo & large displacement cars due to the high axial load they put on the shafts, case, and bearings. A less aggressive helix would help though. When I had my 1-5th straight cut set, it was cool for a while, the noise, but 99% of people just thought the tranny was broken, not custom. It's a toss up really, do you want : A quiet car, less maintenance duty, less $ spent and a limit on the trannys strength OR A loud car, high maintenance, more $ spent, but a high strength tranny ?
littlemimus
fear the mighty sandvich!
- :
- Mazdaspeed protege 2003
If you're really diligent about changing the oil, and can stand the noise, it'll be fine. But I think if we're all honest, most of us will never keep up the oil change intervals needed. Yes, a alternative is a beefier tooth profile and less aggressive helix angle, but the thing is...even PAR flat out won't make helical cut gears anymore for turbo & large displacement cars due to the high axial load they put on the shafts, case, and bearings. A less aggressive helix would help though. When I had my 1-5th straight cut set, it was cool for a while, the noise, but 99% of people just thought the tranny was broken, not custom. It's a toss up really, do you want : A quiet car, less maintenance duty, less $ spent and a limit on the trannys strength OR A loud car, high maintenance, more $ spent, but a high strength tranny ?
cant we be in the middle?? hahah jk
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