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Originally Posted by shuiend
(Post 1147919)
I made my friend some extended tophats for his rear shocks. I spent zero time at all actually prepping the metal in a good fashion. Used a big hole saw to cut off the top of the tophat, welded a pipe in its place, then welded the top back on the pipe.
https://i.imgur.com/I0OzNjU.jpg Attachment 184845 |
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Originally Posted by shuiend
(Post 1147919)
I made my friend some extended top hats...
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Originally Posted by m2cupcar
(Post 1150937)
how much time does it take you to make those? they're perfect imo
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Originally Posted by shuiend
(Post 1150940)
The actual welding of the tophats took about an hour, letting them cool off was the longest part. Getting the to that point was a pita because we did not have the proper tools. No clue how much time my friend actually spent cutting off the top of the stock tophat.
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Originally Posted by shuiend
(Post 1150940)
No clue how much time my friend actually spent cutting off the top of the stock tophat.
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If you have a drill press, a hole saw and a welder, it would be super easy.
Drilling the caps out would take 10 minutes, prepping for weld would be about 15-20 minutes and welding them up would take about 20 minutes |
Originally Posted by shuiend
(Post 1150923)
I got a huge muffler for an upcoming project.
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Flywheel Locking SST for Cheap!
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Having 2 Miatas and being a track addict, I seem to be assembling more engines than I used to. One part of assembly that was always a bit of a pain was torqueing the flywheel and crankshalf pulley bolts. Mazda has a SST (Special Service Tool) that locks the flywheel for this purpose. So, made my own out of some 1.25" angle iron. Pictures speak for themselves. I did the rivets and then went ahead and hit it with a welder. I don't know if rivets alone would have been sturdy enough.
https://www.miataturbo.net/attachmen...1&d=1406484972 https://www.miataturbo.net/attachmen...1&d=1406484972 https://www.miataturbo.net/attachmen...1&d=1406484972 Works great! |
Just use two of the tranny bolts, thread one in to that top hole, and jam another against the bolt and a flywheel tooth. Works like a charm, and you don't have to find or have your tool.
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Originally Posted by curly
(Post 1151796)
Just use two of the tranny bolts, thread one in to that top hole, and jam another against the bolt and a flywheel tooth. Works like a charm, and you don't have to find or have your tool.
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Yup, your tool is nice though.
Just have a socket for the pressure plate bolts ready, hold the bolt with one hand, and turn the flywheel with the socket on one of the pp bolts until the bolt is jammed against the other. |
I feel like the only person that just uses a second person the crank pulley bolt with a breaker bar to torque the flywheel or pp bolts (and of course impact gun to remove them).
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Originally Posted by Leafy
(Post 1150946)
I figure it wouldnt take much time at all if you had a drill press and a hole saw.
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Originally Posted by Leafy
(Post 1151856)
I feel like the only person that just uses a second person the crank pulley bolt with a breaker bar to torque the flywheel or pp bolts (and of course impact gun to remove them).
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20 yrs ago I bought this for $8- no regrets:
http://tetoolsusa.com/tools/images/3207521.jpg |
My 3" downpipe! Don't have pictures yet of the manifold, but it's a simple log.
https://www.miataturbo.net/attachmen...ine=1406414384 |
A different kind of fab, but I thought you all might enjoy it.
I bought a JDM 6-speed cluster for my NB. I found that when using a US odometer unit, the speedometer wouldn't read right because the JDM speedometer tops out at around 190kph while the US speedometer is 260kph. The odometer drives the needle by angle, so it ended up being about 22% off from a true reading. I taught myself some electronics and designed and built a custom circuit board that allows arbitrary scaling of the speedometer or tachometer. It reads the raw tach/vss signal from the cluster via a T-tap but doesn't require any permanent modification to the cluster. It's actually more accurate and has a faster response time than the stock gauges. On my cluster, I set it up to read mph rather than kph, so it's now a 180mph speedometer :rofl: The circuit is relatively simple: it implements a standalone air core motor driver and has a trimpot to fine-tune the scale while under way. It took about three board layout revisions to get the design perfect, but it works great now. On my cluster, I was able to get it within +/-1mph from GPS speed reading. https://lh4.googleusercontent.com/-y...weepOTron1.JPG https://lh4.googleusercontent.com/-c...weepOTron2.JPG https://lh6.googleusercontent.com/-T...719_105554.jpg https://lh4.googleusercontent.com/-r...712_154629.jpg |
I'll post a picture here that I posted in my personal fab thread. Check out the rest of the work in my thread if you havent already.
https://farm3.staticflickr.com/2908/...40be52c8_b.jpgHellaFab Miata Vband bottom mount manifold by HellaFab, on Flickr I have an EFR manifold coming up next. :) |
Nice, that should work well. I like how you got close to equal length while still using large radius bends, good job Matt.
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