door bars are worth every cent - Page 6 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 01-27-2010, 08:13 PM   #101
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Clearly that is not true. Marketing-speak.

They've always contended HD's door bars do nothing. Obvious in this thread it's not true. Sure it bolts in only two places but it triangulates the door and rear bulkhead openings. Now they have theirs and it bolts in four places. It may be better but it sure looks fugly and a whole lot tougher for entry and exit.
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Old 01-27-2010, 09:21 PM   #102
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Without looking at their page, their design could be stiffer for the same weight or the same weight for the same stiffness. The plates would increase beding stiffness considerably in the plane of the plates (vertically as installed). Also it can be narrower with the smaller diameter tubing.

Nice idea from a purely mechanical standpoint but I do not like the look at all especially with the lettering cutouts. I still prefer the ones I have.

OK read the description..


Clearly that is not true. Marketing-speak.
Put a ******* pipe between the a-b pillars, bolt the **** together, get money, **** bitches, go fast at the track, god damn.
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Old 01-28-2010, 07:45 AM   #103
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I Recall reading that boss frog was against the idea of door bars. I guess not anymore.... They call them frog ribs

Frog Ribs (Door Bars) - MX-5 Miata Forum
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Old 03-19-2012, 10:15 PM   #104
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I realize this thread is older then dirt, but I've got questions.
Has anyone tried bossfrogs door bars, are they better then the hard dog door bars? Would they even fit since I've already got a HD rollbar?
How do door bars effect handling? Do they promote/diminish oversteer or understeer?
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Old 03-20-2012, 01:05 AM   #105
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The mounting point on the BF door bar does not match the HD rollbar and vice versa. BF has two bolts and HD has three.
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Old 03-20-2012, 01:15 AM   #106
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Thanks.
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Old 03-27-2012, 11:32 AM   #107
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Any comparison of the HD Doorbars vs the DIY Roadster Bars?

I read over at m.net, the roadster bars are easier to get in and out of. However, it has a larger outside diameter.

Any interference with driver seating position?

Does the DIY Roadster bars bolt directly to hard dog roll bar mounting plates?
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Old 03-27-2012, 01:22 PM   #108
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Does the DIY Roadster bars bolt directly to hard dog roll bar mounting plates?
Yes, they do. I found them pretty easy to get in/out with stock seats. You slider over them and seat bottom is almost level. Because they angle out, I'd think there is more space with the DIY ones, but have not seen a HD bar in person. Also keep in mind the DIY ones will interfere with NB door pockets, again due to the bend. You can notch the plastic.
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Old 03-27-2012, 03:41 PM   #109
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Yes, they do. I found them pretty easy to get in/out with stock seats. You slider over them and seat bottom is almost level. Because they angle out, I'd think there is more space with the DIY ones, but have not seen a HD bar in person. Also keep in mind the DIY ones will interfere with NB door pockets, again due to the bend. You can notch the plastic.
Good to know, on my bucket list of things to buy.
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