fujioko
fujioko New Reader
5/7/13 11:27 a.m.

I have a Harddog rollbar/showbar in my 94 Miata and I'm not sure why I need it.

If I remove it, I'll save some weight and the seat-belts may work better.

Keep or remove?

[URL=http://s62.photobucket.com/user/fujioko/media/adventure/roll_zps05f984a0.jpg.html][/URL]

petegossett
petegossett GRM+ Memberand UberDork
5/7/13 11:35 a.m.

It stiffened the chassis a BUNCH in my '96. There's no way I'd remove mine. Plus it may prevent an SUV from parking on my head someday.

JoeyM
JoeyM GRM+ Memberand MegaDork
5/7/13 11:36 a.m.

Is it tall enough to interfere with the top? If not, forget about it.

Keith Tanner
Keith Tanner GRM+ Memberand MegaDork
5/7/13 11:38 a.m.

That's a "Hard Bar", no rear braces. If you're going to have the hassles of living with a bar, it should be a better one than that.

Either add some rear braces or remove it.

fujioko
fujioko New Reader
5/7/13 11:43 a.m.

The soft top and hard top seem to fit fine. I actually forgot about the roll bar until today when I put the top down.

The car is street driven and has a 63 HP engine. I'm more concerned about getting rear ended than a roll over. ( not sure the roll bar would help much in a roll over.).

What are the concerns about getting rear ended?

Jim

Duke
Duke PowerDork
5/7/13 12:15 p.m.
Keith Tanner wrote: That's a "Hard Bar", no rear braces. If you're going to have the hassles of living with a bar, it should be a better one than that. Either add some rear braces or remove it.

This. A single hoop with minimal or no bracing is doing very little for you, either as a stiffener or as rollover protection.

fujioko
fujioko New Reader
5/7/13 12:28 p.m.

Done!

Roll bar is already out and moments away from being listed on CL.

Thanks for the advice!

Jim

Kenny_McCormic
Kenny_McCormic Dork
5/7/13 12:42 p.m.
fujioko wrote: What are the concerns about getting rear ended? Jim

There's a reason the spare tire is in the trunk under the floor in a modern car.

z31maniac
z31maniac PowerDork
5/7/13 12:46 p.m.
Kenny_McCormic wrote:
fujioko wrote: What are the concerns about getting rear ended? Jim
There's a reason the spare tire is in the trunk under the floor in a modern car.

A wheel that bends hitting a pot hole is really providing that much crush resistance against 4000+ lb vehicle? ANd typically spares are even smaller/weaker than the standard ones.

I would assume they are under the car for trunk space vs being a crush zone.

fanfoy
fanfoy Reader
5/7/13 1:33 p.m.
z31maniac wrote:
Kenny_McCormic wrote:
fujioko wrote: What are the concerns about getting rear ended? Jim
There's a reason the spare tire is in the trunk under the floor in a modern car.
A wheel that bends hitting a pot hole is really providing that much crush resistance against 4000+ lb vehicle? ANd typically spares are even smaller/weaker than the standard ones. I would assume they are under the car for trunk space vs being a crush zone.

You actually want it to get crushed to absorb as much energy as possible.

Also, a bent wheel will become useless with a very small amount of deformation usually around the outer or inner edges. As a whole, a steel wheel is very strong at resisting crushing.

So yeah, it's helpful.

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