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Post by FFS Corders on Feb 15, 2020 12:37:24 GMT
Adding anything to the cars that puts a solid bit of metal between side to side or front to back will definitely make a difference. They are meant to be comfortable roadsters, they aren't sports cars until you modify them
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Post by thruxton on Feb 15, 2020 13:23:09 GMT
So do they fit these , not the roll cage, in MX-5 series racing?
Regards.
Rich.
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Post by thruxton on Feb 15, 2020 13:27:13 GMT
So if you want a "Sports-Car" ...
Buy one of these......https://m.youtube.com/watch?v=hhWwl4bqeoY
Regards.
Rich.
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Post by V6 on Feb 15, 2020 13:27:28 GMT
The original car is very soggy when you do an A / B test. If you are happy with a flexible car in the corners crack on. Otherwise a cage and door bars makes a huge difference. Well it did on my decent condition car anyway. Maybe a rusty car will flex no matter what you attempt.
As said, the rails protect the underside more than adding stiffness, imho. Sleeping policemen can put big dents in your frame rails. I'd rather have those protected with a disposable skid plate personally.
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Post by V6 on Feb 15, 2020 13:40:32 GMT
ps
Those mk3 can be properly quick can't they. I remember before I started Skuzzle said "Just buy a mk3 and supercharge it - 300bhp, simple). I was like... "Yeah, but I like the old mk1 as it's cooler". I had to make life difficault and expensive lol.
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Post by thruxton on Feb 15, 2020 13:45:24 GMT
Of course the roll cage and door bars are genuine stiffening elements, never said they where not.
It's the rails I take issue with.
And yes.
The NC 2.0 Sport is proper quick as it is in the right hands.
Regards.
Rich.
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Post by V6 on Feb 15, 2020 13:58:20 GMT
Well the rails are not just for stiffening. That is a mere possible side benefit I'd have thought. They surely are for protection mainly. Clearly it would be odd to chose them for stiffening alone, if you avoided door bars or a cage for whatever reason.
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Post by FFS Corders on Feb 15, 2020 14:02:19 GMT
So do they fit these , not the roll cage, in MX-5 series racing? Regards. Rich. Full cage adds safety primarily, but also front/back and left/right stiffness so racers get multiple benefits Remembering back to a Nutz thread on this subject previously, many experienced members were of the opinion that a full cage or a bar plus door bars have more stiffness benefits than rails Rails do add stiffness, but again are also protecting the box section and you can jack it from any location on the rails so there are different extra benefits from fitting them If you don't like one particular option to modify your car, no one's going to force you to fit it |
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Post by thruxton on Feb 15, 2020 14:10:43 GMT
So they don't ft them to race cars?
Regards.
Rich.
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Post by FFS Corders on Feb 15, 2020 14:23:16 GMT
They also don't fit interiors but road driven cars find those useful
If you can get past the stiffness bit, they are useful for under body protection. Also the butterfly braces definitely have benefits as Mazda themselves fitted them to later mk2s. Of course they could have fitted a full cage or door bars, but keeping the car practical would have been a consideration to them
Jass brackets fitted to a hardtop increases stiffness too. But again not as much as other modifications you can also fit and racers don't use hardtops
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Post by V6 on Feb 15, 2020 14:30:29 GMT
Race cars don't have to contend with sleeping policemen, mega ruts and bumps on prarrie canoety roads which can bottom out a lowered car. Their world is near perfect flat fantasy land.
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jon
Chats A Lot
Posts: 270
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Post by jon on Feb 15, 2020 16:07:40 GMT
Well the rails are not just for stiffening. That is a mere possible side benefit I'd have thought. They surely are for protection mainly. Clearly it would be odd to chose them for stiffening alone, if you avoided door bars or a cage for whatever reason. From what I remember in the dim and distant recesses of my mind, the frame rails aren't structural at all - they are there to stop resonance / harmonics in the floor pan more than anything else. That's why if you jack under them they collapse as they are pretty thin metal. I'm not saying that extra bracing underneath doesn't help tho  |
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Post by V6 on Feb 15, 2020 17:00:31 GMT
Interesting. Although they were not particuarly structural here, I kinda liked having them back in the day...  Although some liked having a disposable new deck every six months too. They were kinda cool when plain, so each to their own |
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Post by scottydugg on Feb 17, 2020 9:38:54 GMT
So door bars are a must then and easy to live with.
I found frame rails made a difference, stopped a lot of rattles, the original rails had taken a hammering also.
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le sigh