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Shattered oil pump.
https://cimg2.ibsrv.net/gimg/www.mia...b03813cbd.jpegItsprettyfukedcaptain shattered this mofo at 8lbs. I pulled the engine running fine too. this was pretty funny to see when I opened the oil Pump. |
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What pulley did you have on the crank?
--Ian |
I’m actually glad to see that in a way. I’ve heard it said that the stock gear is a failure point and one MUST use a billet gear in high power applications, but that’s the first time I’ve actually seen a failed stock gear reported here. |
Originally Posted by Schroedinger
(Post 1479842)
I’m actually glad to see that in a way. I’ve heard it said that the stock gear is a failure point and one MUST use a billet gear in high power applications, but that’s the first time I’ve actually seen a failed stock gear reported here. It would happen a lot more in the past before boundary was around, now that everyone that goes for big power uses a boundary pump you dont hear about failures anymore. |
Originally Posted by Schroedinger
(Post 1479842)
I’m actually glad to see that in a way. I’ve heard it said that the stock gear is a failure point and one MUST use a billet gear in high power applications, but that’s the first time I’ve actually seen a failed stock gear reported here. |
The problem with documentation for things like this is that over the years it gets lost and no one really cares anymore, because it's already common knowledge and no one is questioning it (except the n00bs)
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Originally Posted by Schroedinger
(Post 1479842)
I’m actually glad to see that in a way. I’ve heard it said that the stock gear is a failure point and one MUST use a billet gear in high power applications, but that’s the first time I’ve actually seen a failed stock gear reported here. i was only on 8 lbs for 2 weeks which may have done it or I heard it’s the vibration that gets it. i def was doing 60 mph entries on some bumpy ass dirt roads for months regurlaly when it was NA. I honestly am thrownig this one up to how hard I was on the motor NA i learned to drift on this motor and would reguralrley ride the limiter before I learned how to shift while drifting. |
Originally Posted by codrus
(Post 1479827)
What pulley did you have on the crank?
--Ian got a new oem harmonic replacement on there now for a lil cheap insurance to go with my boundaryx |
Originally Posted by andyfloyd
(Post 1479857)
It would happen a lot more in the past before boundary was around, now that everyone that goes for big power uses a boundary pump you dont hear about failures anymore.
I was turboed at this point in the video but you get the picture. I would bomb that road daily on NA power. You can hear the passenger filming in the video yelling “holy shit” from how hard I’m hitting holes. |
Originally Posted by andyfloyd
(Post 1479857)
It would happen a lot more in the past before boundary was around, now that everyone that goes for big power uses a boundary pump you dont hear about failures anymore.
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My stock pump is still alive and presumably well for now. Over 20k miles into +300whp street driving on this motor, and approaching 200k on the oil pump. Obviously they can fail, but I don't think it's a necessary upgrade to any boosted miata. I always felt like crappy dampers and high rpms would kill them off quicker than HP does.
Good to have the extra failure datapoint, thanks for sharing VeryNicholas. You're damn lucky you pulled it when you did. Scary to think I could be driving around with pump gears like that! |
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