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mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} </style> <![endif]--> While strengthening seems to be the ultimate goal, the materials used and the construction also need to be considered. For example, a solid steel front strut bar may be the most rigid; it does not crumple when sh1t happens. If the car is hit on one side, the force is transferred to the other, which will result in a deformed chassis. That may cause more harm than good. Some might scoff at aluminium constructed strut bars, but a well designed (i.e. tubular design) is rigid enough at the same time will crumple at the hinges when the car is hit. I disagree to those who said solid steel is the holy grail of chassis strengthening. Not to mention it is heavy too.. Put whatever bars available for your car and you’ll end up adding another 10-20kg.
After all, you get what you pay for.
Chassis foaming? I have heard nothing but praises with the result, but it is not something that I would do. If it is so good why don’t
manufacturers pre-fill the chassis with it? Cost? The foams aren’t that expensive.
Dude manufacturers do, RX8 subframe, most peugeots, hell even the old pulsar GTI-R was foamed from the factory.
My wagon has been foamed, best mod besides coilovers. The weaker the chassis the better the results with foam.
It also made the car slightly quieter, my parents noticed it before I did ahaha
---------- Post added at 02:34 AM ---------- 6 hour anti-bump limit - Previous post was at 02:23 AM ----------
I think there are ups and downs...
For those foam stuff... I haven't try these, but personally I think these are rubbish. Sound insulation, heat insulation, chassis strengthening all in one. Too gimicky. I mean come to think of it, it might do a little bit of all that is mentioned, but never good at it. Because it tries to do all. Don't tell me the strengthening will be good than steel/aluminium bars. And don't tell em the sound insulation will be better than a full, multi layer sound deadening mats.
For the bars, I believe these are good but depends on what the driver wants. I've tried one on my wira last time. Just a front and back strut bar. Surely the handling is nice. Cornering is crisp. But going over a bump, because the bar links the 2 strut tower together, the car loose some independence in suspension causing more jarring movement.
I also got testimonies when a person using strut bars, got into and accident. Because it ties two sides together, the other side is also slightly dented from the impact.
So, really depends on what the driver wants... But for foam, o0o.
Haha you're really talking like as if you know what it is huh?
The foam expands and becomes rigid, its like cement filling up a pipe in the middle. Explain to me how does something solid that fills up an empty area not work? :stupid:
Personally I think its more overall complete than bars, since i've DONE IT I can actually comment, unlike you who just oOo stuff that you've never tried.
Dont lah be narrow minded
. Go learn science on how the foam expands, turns into a different substance once its fully cured then you can oOo on it.
It quietens the car not as much as sound deadening duh, but it helps muffle resonance from empty parts of the chassis. Sound cant get through a solid area as easy as an empty area. HOWEVER profoam, I wonder whether that works. I personally am using autofoam + a UR strut bar so I can comment on that only ATM.
Next up would be custom rigid collars :proud: . I'd like to see whether its possible to replicate them here in Msia.
---------- Post added at 02:41 AM ---------- 6 hour anti-bump limit - Previous post was at 02:34 AM ----------
[PIMPIN];1063639312 said:
I was thinking if we could keep the discussion centred on cars used primarily on the road where comfort is still a factor. But if there are those who do drive spot welded Skylines and/or ones equipped with rollcages then by all means, your input is invaluable.
In addition, I was hoping to introduce the subject of reinforced bars such as the ones made by everyone from Do-Luck to Ultra Racing. These are the types of strengthing I would consider. However, given the fact that Do-Luck tells you what the bar is made of and you can tell where the mounting points are, couldn't Ultra Racing replicate the exact same thing? Logically it should work the same.
Aside from Ultra Racing, who are the local alternatives?
Thanks in advance!
C-tech, they use aluminium instead of steel. What do you mean Do-Luck can tell you where the mounting points are? Ultra Racing already mentioned they use powdercoated steel for their bars actually.
---------- Post added at 03:01 AM ---------- 6 hour anti-bump limit - Previous post was at 02:41 AM ----------
Okay since everyone is sharing i'd like to share on FOAMING.
In a nutshell from what I know, the foam isnt like, whipped cream soft flismy foam, they only call it foam BECAUSE when its applied it oozes out, like foam hence the name. It's actually a 2 part liquid, when combined it cures at a very fast rate, expands then become really really hard.
I cant prove it to you here on a forum where we all just type, whoever wants living proof of how it works should visit me sometime and have a ride hahaha, either that or go see KLAuto's boss who is the official dealer for autofoam here in KL. He has a 500ml coke bottle filled with that stuff and it can take my weight. Im 76kg just FYI. However it can absorb energy when pressed, kinda like a really really hard sponge. But when used in bulk its very very strong and can retain a lot of energy within.
The idea behind it is very simple, a monocoque chassis has chassis rails throughout the car and they're all hollow. None of them have water/drain channels, or wiring, so basically its just empty places where noise can echo and where metal can fatigue. On older cars like mine the A pillar houses the antenna wire and I forgot about that when I foamed my wagon. The old antenna on the A pillar broke off, but the wiring is stuck in there forever because of the foam. Anyway back to rigidity!
Its even worse on cars like mine, cause I drive a WAGON with the hatch the size of midvalley. Everybody knows, bigger area with a hole = more flexing. To make matters 'better' my wagon has been hit in the rear by a jeep cherokee with a bloody bullbar, so that makes it even weaker. It wasnt a small accident either, think long blind corner + heavy downpour + speeding jeep + no abs. The accident was offset to the left of my trunk and the impact was so hard, I ended up slamming into the car infront of me as well. So after repairing the car I found out about autofoam. Ended up going all the way to KL to get the chassis foamed hoping to stiffen the car up with this 'magic foam which is gimmicky'.
Autofoam has 2 foams. A purple one, and a yellowish one. No this isnt art class, the purple foam is EXTREMLY solid. From what was said by KLAuto's boss, the purple one is really meant for stiffening, so it was only used on small portions of the chassis where its needed the most, the yellow one was injected everywhere else, A-D pillar, front to rear chassis rails and side to side.
Mmm after letting it cure it actually makes the car feel more solid, rather than stiff. Because its not like metal bars that tie down a certain area, it just fills out empty areas making that feel less hollow. I'd say the car feels more SOLID and less flimsy front to back, side to side.
Lastly the foam is fireproof, waterproof, and extremely light. He poured petrol into the 500ml bottle I mentioned earlier, lit it on fire and it just extinguished. Plus its fills out EVERYTHING in the bottle, theres literally nowhere for the liquid petrol to go but just at the top. It was kinda weird smelling burning plastic... but thats not the point.
The only downside to this i'd say is that if you're a hardcore racer, go get a rollcage first. This works VERY well on cars like mine (accident damaged, weak hatchbacks). If you have a 2011 GTR and put foam and say you cant feel the difference dont blame me, I doubt my car has the structual rigidity of even a satria neo now heh.
The strutbrace works well too, my wagon has no power steering. The steering feedback feels slightly better and it self-centers easier.
Thanks for your time, I hope that what i've said helps give a clearer view of how foaming is compared to the more normal chassis stiffening procedures. Its been 3 years now since the wagon has been hit, and 2 years since i've foamed it. I have 100% no regrets getting it foamed and if I have enough money, i'd foam every old car I ever get.
However im still skeptical on newer cars, i'd like to hear if any forumer has done it on a more modern/sportier car? Maybe a GTR or Evo :hmmmm: Anyways bottom line that stuff works for me. I'll be constantly popping up here and there to defend it ahaha