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thejeans 2004 Mazdaspeed Miata
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Around Easter of 2014 i bought a "new to me" 2004 Mazdaspeed Miata
2004 Mazdaspeed MX-5 #3693 GT Package Flyin' Miata - FM2 Kit Hydra Nemesis FM Level 2 Clutch and 10.3lb Flywheel HardDog Sport M2 Roll Bar and a whole bunch of other goodies that i dont feel like typing at this present moment haha https://www.miataturbo.net/attachmen...ine=1409144562 |
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a week after buying the car, I spun a bearing on Easter (we are guessing due to low oil from an unknown at the time rear main seal).
It set in my garage for a several months while i figured out what to do, but in July i started the rebuild.... i decided to just replace the bearings and try to get it back on the road this summer so i can atleast hit one or two autocrosses and learn the dynamics of the car, a full blown rebuild with forged internals may happen down the road but for right now its just not in the budget. https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 got the engine out and found the rear main was shot, the clutch and flywheel were about shot, so they got added to the list for replacement. I have a FM level 2 Happy Meal Clutch kit with 10.3lb flywheel on its way, should be here Monday https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 once the motor was on the stand i started to tear it down https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 the damage.... https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 Crank was still good, little dirty but no damage... https://www.miataturbo.net/attachmen...ine=1409144705 put the new bearings in, polished the crank and she was ready to start going back together (yes everthing was measured and checked, i just dont have pics of any of that stuff haha" https://www.miataturbo.net/attachmen...ine=1409144705 https://www.miataturbo.net/attachmen...ine=1409144705 |
Well shit, welcome twin. Lots to learn here.
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decided while im waiting on a few parts to come in, i would put the stock belts back in to give me the option of harnesses or oem seatbelts, mainly because harnesses arent technically legal in PA, but it also it allows easier use if i just want to go for a little stroll in the car, i kept the harnesses in for when autocrossing.
and while doing that i decided to do the foamectomy to the drivers side seat https://www.miataturbo.net/attachmen...ine=1409144926 https://www.miataturbo.net/attachmen...ine=1409144926 I decided to cut straight across the bottom of the "seam" between the bolsters and the middle, took an 1-1.5" out and it seems much improved so far definitely lowered me in the car a little which being 6-1 ill take all i can get haha the finished product, cant really tell too much from looking at it that i took much out but i could tell the difference when sitting in the seat https://www.miataturbo.net/attachmen...ine=1409144926 https://www.miataturbo.net/attachmen...ine=1409144926 |
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Well this past weekend started the "get the miata back up and running" part of the whole phase
The motor is as buttoned up as can be and ready to go in the car https://www.miataturbo.net/attachmen...ine=1409144965 https://www.miataturbo.net/attachmen...ine=1409144965 https://www.miataturbo.net/attachmen...ine=1409144965 Almost there! https://www.miataturbo.net/attachmen...ine=1409144965 Got the motor in finally Saturday evening, put the hood back on and figured id start fresh sunday with all the electrical stuff, and reinstalling everything else https://www.miataturbo.net/attachmen...ine=1409144965 https://www.miataturbo.net/attachmen...ine=1409144965 Got almost everything hooked up, there are some electrical gremlins that wont allow the car to start right yet BUT its close! just hope i can figure out what it is soon cause ive been aching to drive this car since it broke over Easter... https://www.miataturbo.net/attachmen...ine=1409144965 |
SHES ALIVE!!!!!
this car is a bit of a rough start normally but that was only enhanced by this first start... ill get all that figured out in due time but for now, she runs!!!!! |
Welcome.
Love the progress and all the pictures. Beautiful msm you got there. I'd be really nervous just replacing the bearings like that without inspecting the rest of the engine for damage due to oil starvation. But if it runs good, then congrats. |
Originally Posted by 18psi
(Post 1161506)
Welcome.
Love the progress and all the pictures. Beautiful msm you got there. I'd be really nervous just replacing the bearings like that without inspecting the rest of the engine for damage due to oil starvation. But if it runs good, then congrats. we checked alot of things in the motor and everything else seemed fine. cyl 2 rod bearing spun and cyl3 rod bearing was looking rough. both 2 and 3 were also slightly loose. Journals were all still good (still replaced them) i feel like i caught it pretty early and saved alot of other potential issues by shutting it down quickly. in a couple years i can see going full build at that point but a week after buying the car the money just wasnt there for a full build. plus with no idea in what direction i want to go with the car, i felt the best thing for now was to just get it running and learn the dynamics of the handling and the car itself |
Makes sense.
What clutch did you yank out? looks like an extremely uncomfortable unsprung 6puck ceramic |
i dont know what brand it was as the Previous owner did it, but it was a VERY uncomfortable and hard to drive unsprung 6 puck with oem flywheel, Its been replaced with the level 2 FM happy meal kit with 10lb flywheel.
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Have you checked compression? Sounds very uneven in the video.
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Originally Posted by curly
(Post 1161547)
Have you checked compression? Sounds very uneven in the video.
MSMs with open exhaust are REALLY burble-y, like a Subie. That said... the video is making it sound a bit worse than normal, or maybe it IS that bad. Sounds like it's on 3 cylinders. |
do you know Ryan? with a 14 mustang? he just asked me on another site about a freshly rebuilt spun-bearing msm that's mis-firing on startup.
is that you ? lol if it is - 1st thing I'd check is the crank sensor gap |
Originally Posted by curly
(Post 1161547)
Have you checked compression? Sounds very uneven in the video.
Originally Posted by concealer404
(Post 1161554)
MSMs with open exhaust are REALLY burble-y, like a Subie.
That said... the video is making it sound a bit worse than normal, or maybe it IS that bad. Sounds like it's on 3 cylinders.
Originally Posted by 18psi
(Post 1161555)
do you know Ryan? with a 14 mustang? he just asked me on another site about a freshly rebuilt spun-bearing msm that's mis-firing on startup.
is that you ? lol if it is - 1st thing I'd check is the crank sensor gap i am currently trying to track down the misfire. im a bit of a noob with this platform still, so the last couple days were spent researching stuff. what should the gap be? i believe i put it back in the right spot.. im also going to try to find time tonight to pull plugs and see if any of that makes a difference. |
credit card thickness. 1mm?
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Thank you, ill check it this evening!
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spacing on the crank sensor is close, much closer and it would get hit haha
I checked plugs and they are filthy so im def having a spark issue given those plugs were brand new and have only seen a whopping 3 miles and about 30 mins of varied idle in the driveway. im starting to lean towards the coil packs as i was talking to the Previous Owner and he said he never replaced them so they lived 97k, ill try tracking down a local and see if i can borrow theirs to test them and if that fixes the issue ill order new ones. Sorry if this is a noob questiong but is there a way to test the two coils? in case i cant track down any locals with an 01-05 miata haha |
nice MSM!!!
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Originally Posted by thejeans
(Post 1161870)
spacing on the crank sensor is close, much closer and it would get hit haha
I checked plugs and they are filthy so im def having a spark issue given those plugs were brand new and have only seen a whopping 3 miles and about 30 mins of varied idle in the driveway. im starting to lean towards the coil packs as i was talking to the Previous Owner and he said he never replaced them so they lived 97k, ill try tracking down a local and see if i can borrow theirs to test them and if that fixes the issue ill order new ones. Sorry if this is a noob questiong but is there a way to test the two coils? in case i cant track down any locals with an 01-05 miata haha Keith |
Originally Posted by Twodoor
(Post 1161939)
Do the MSM have the same coil packs (and coil pack troubles) as the 99/00 NB1's? I never had coil problems with mine, but switched to COP when doing the turbo installation. If you need good 50,000 mile coil packs and they are the same as the 99/00 cars shoot me a PM.
Keith Nope. MSM has the VVT ignition setup. Two COP, wasted spark. |
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