Suspension, Brakes, Drivetrain discuss the wondrous effects of boost and your miata...
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View Poll Results: Weld my open Miata diff?
weld it NOW.
28.57%
Dude, you're retarded.
62.50%
Welded diff's are a PITA.
8.93%
Voters: 56. You may not vote on this poll

Welding an open Miata diff?

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Old 03-20-2009 | 01:49 PM
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Default Welding an open Miata diff?

So if everything I've read is correct, the diff on my car should be open. If that's the case, I want to weld it.

I did a search and came up with no results on welded diff/spider gears.

Do some of you just accept that you're 1 wheel peel, or do you all spend the $ to upgrade, or perhaps, you're all fortunate enough to check into those type of details before you purchase your car. (I'm not that smart/I didn't care because I got a good deal)

So, in this thread we discuss welding a diff on a miata that will be a weekend toy, has a big chinese turbo w/ no supporting mods, and is owned by someone who shouldn't be allowed to drive on public roadways - me.

I more/less want to do it because 1 wheel peel is no fun. I want to leave black markS. I want traction when my boost comes in at 4500rpm.

Last reason I want to do it?

"I live my life a quarter mile at a time."

Anyone have experience?
Old 03-20-2009 | 01:53 PM
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ask Vin Diesel

He lives his life a quarter mile at a time too.
Old 03-20-2009 | 02:03 PM
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you didn't even vote man... how can I take you seriously?
Old 03-20-2009 | 02:05 PM
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retard.

if steering doesn't matter a lot to you, go right ahead.
Old 03-20-2009 | 02:09 PM
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Matthew, do not judge this man. I visited Florence (northern KY) quite a bit, heard a bunch of retards peeling out constantly all night long outside my hotel. I guess now it makes sense!

Weld away friend.

*edit- thank you for allowing us to actually vote you as retarded!
Old 03-20-2009 | 02:10 PM
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I do believe the steering wheel controls the front wheels... and the diff is in the rear of a Miata?

Yes, that's what I remember seeing last time I was under the car.


I realize it will "ratchet" around turns, I do not care.
Old 03-20-2009 | 02:11 PM
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Which hotel, I can tell you if you were in a bad spot or not. I live in Florence "Y'all".


I just want the car to be maximum fun for minimum $.
Old 03-20-2009 | 02:14 PM
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Then no need to create a poll. Do it then....
As a matter of validity though....my car sure changed steering characteristics when I installed a Torsen. It will change.....
Old 03-20-2009 | 02:18 PM
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Well, I'm planning to do it, I just wanted to start a thread so that maybe people could referrence it/search and find results in the future when wondering about open diff solutions.

Let me ask this though, because I've never driven a welded diff car.

If I plan to SCCA the car a few times, will be be a PITA drift machine around every hairpin/chicago box, and will I want to urinate on it after getting slowest time of the day? Should any of that matter, since this is the easiest and cheapest solution to a problem that I don't intend on fixing "the right way"?

...I can always upgrade later anyway should I change my mind about doing a more serious build.
Old 03-20-2009 | 02:23 PM
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I'd like if someone could chime in on this one too.

What about the axels?

I come from the world of F-Body's where spools and welded diffs are a casual conversation topic... but those are live rear ends, not IRS.

Is this going to cause other parts to fail early (other than tires obviously)
Old 03-20-2009 | 02:30 PM
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Not a problem... he he. That's how to find what or what doesn't work. You might actually find it works for your driving style....who knows.
I'm not familiar with any of the cons for the axles however.
I am an old Z-28 man myself.....welded diff and 1/2 a quart low in trans. for harder shifts.
Old 03-20-2009 | 02:32 PM
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Originally Posted by Project84
I come from the world of F-Body's
no kiddin...
Old 03-20-2009 | 02:35 PM
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Originally Posted by Project84
I'd like if someone could chime in on this one too.

What about the axels?

I come from the world of F-Body's where spools and welded diffs are a casual conversation topic... but those are live rear ends, not IRS.

Is this going to cause other parts to fail early (other than tires obviously)
this is without doubt. I had a welded dif in a type III VW, and it blew out cv joints every 3-4 months. Mazda's CVs may not be as weak as VWs, but it will happen eventually.
Old 03-20-2009 | 02:37 PM
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And if the CV's didn't give....the input shaft was next. 'Bout the size of a pencil.
Old 03-20-2009 | 03:15 PM
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Originally Posted by Project84
Which hotel, I can tell you if you were in a bad spot or not. I live in Florence "Y'all".
Redroof Inn - Turfway Road...right down the street from the IRS. Your town has a water tower that says "Florence Ya'll". What the hell is up with that?
Old 03-20-2009 | 03:20 PM
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Originally Posted by Machismo
Not a problem... he he. That's how to find what or what doesn't work. You might actually find it works for your driving style....who knows.
I'm not familiar with any of the cons for the axles however.
I am an old Z-28 man myself.....welded diff and 1/2 a quart low in trans. for harder shifts.
Nah, Type F for harder shifts!

y8s, you're helpful. ...run along now.

Qckslvr - but these are on the rear, which although it "turns" it doesn't require such an excessive angle as the front tires so there won't be anywhere close to the same amount of stress on these as front CV's. Is it really fair to relate your welded VW diff to a rwd welded diff? Unless yours was rwd. Maybe I should just ask, what's a type III VW?
Old 03-20-2009 | 03:24 PM
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Originally Posted by Project84
Nah, Type F for harder shifts!

y8s, you're helpful. ...run along now.

Qckslvr - but these are on the rear, which although it "turns" it doesn't require such an excessive angle as the front tires so there won't be anywhere close to the same amount of stress on these as front CV's. Is it really fair to relate your welded VW diff to a rwd welded diff? Unless yours was rwd. Maybe I should just ask, what's a type III VW?
A 1972 Type III VW was rear engined rear wheel drive. So unless it had a forklift modification in it the transaxle did no steering . The car was also called a Square Back, not one of VWs prettier cars.

not mine, but you get the idea
Old 03-20-2009 | 03:25 PM
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Here you go..... Type III (also known as a Square back)
RWD FTW!
Edit****
/\ HA! Beat me to it...... I suxa at this copy pasty crap.
Old 03-20-2009 | 03:28 PM
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Originally Posted by Newbsauce
Redroof Inn - Turfway Road...right down the street from the IRS. Your town has a water tower that says "Florence Ya'll". What the hell is up with that?
We HAD a fall festival each year called the "Florence Y'all Festival," I have no clue of the origins but one can assume it was something like, "Y'all come back soon" since we're so close to Ohio and Indiana. They stopped having the festival about 7 years ago though.

I lived in Cleveland for about a year and everyone I met up there knew my hometown when I said it because of that damn water tower. They also somehow relate that to racism, and think everyone in Florence is in the KKK. Maybe it's the red/white stripes on the tower, I don't know.

Turfway Rd. is the heart and soul of this area. It's like our "Main St." I guess you would say. So, that was a bad choice. Ricers hang out in the adjacent lots over by Dick's Sporting Goods and behind RedRoof Inn in the Target parking lot. You were surrounded.
Old 03-20-2009 | 03:29 PM
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[QUOTE=Project84;384691]Nah, Type F for harder shifts!

QUOTE]
That costs money.......



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