| [ Total Views: 1734 | Total Replies: 21 | Thread Id: 82927 ] |
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 tmerivale
A.k.a.: Trevor Merivale
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| posted on April 3rd, 2010 at 10:46 PM |
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narrowed front beam?
i keep hearing bout lots of people narrowing their front beam by usually 2 or 2.5 inches.
why do people do this? im not sure what it does so please pardon my ignorance. what are the positives and negatives for this modification?
thanks in advance
trev
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bushed
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| posted on April 3rd, 2010 at 11:05 PM |
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have never had one but the alternative cheaper quicker option is put on wider wheels at the rear due to vw's being tailend heavy
appearance is similar but prob a better ride if the car is not full due to increasing leverage on axles and giving better camber. (angle of rear
wheels)
bottom line to me is; increase stability either way!
want any vw bits old but like me, Made in Germany!!!
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tmerivale
A.k.a.: Trevor Merivale
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| posted on April 3rd, 2010 at 11:52 PM |
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my car is the irs type. would it be needed as much as a swing axle? if i had 245 tyres on the rear (or 10mm short of 10inch) would there be any need
for a shortened front beam?
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Camo
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| posted on April 4th, 2010 at 08:19 AM |
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Guys,
You have lost me here. You asked about a narrowed front beam and then you both talk about the rear suspension ???
As to narrowing the front beam, I think a lot do it mainly for appearance. I changed from front drums to disks and the kits makes the wheels 1/2 inch
wider, so I narrowed it to compensate for this.
So that was a positive reason for me, but I have hears that the narrow wheel track on the front reduce stability a bit but I cant confirm this.
Kev
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tmerivale
A.k.a.: Trevor Merivale
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| posted on April 4th, 2010 at 10:32 AM |
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ok so its basically cosmetic then. if this is the case with no major handling or any other increase apart from looks i think ill give this one a miss.
especially for the dollars it costs. thanks guys for your response its much appreciated
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Craig Torrens
A.k.a.: Craig Torrens
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| posted on April 4th, 2010 at 10:38 AM |
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| Quote: | Originally
posted by tmerivale
ok so its basically cosmetic then. if this is the case with no major handling or any other increase apart from looks i think ill give this one a miss.
especially for the dollars it costs. thanks guys for your response its much appreciated
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yep cosmetic only, your handling goes backwards when you narrow a beam.
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tmerivale
A.k.a.: Trevor Merivale
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| posted on April 4th, 2010 at 11:36 AM |
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hey craig i sent you a pm in the last couple of days can you reply when your free
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71-BEETLE-SEDAN
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| posted on April 4th, 2010 at 12:34 PM |
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When most people narrow their beam they often eld in adjusters for loering or raisning the suspension.
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 Bizarre
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| posted on April 4th, 2010 at 12:44 PM |
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besides "looks" i would have thought the main reason for a narrowed bean was to get a decent 6" or 7" rim on the car when it is lowered??
Futue te ipsum!!!
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tmerivale
A.k.a.: Trevor Merivale
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| posted on April 4th, 2010 at 12:55 PM |
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so if i dont intend to lower my car yet have 7inch wide rim on the front should i need the narrowed front beam?
my car is a eureka (kit car from the 70's and 80's) and i have purchased a set of 14x7 bathurst globes. the rear will have 245 im hoping but the
front wont be that wide maybe 215 or 225.
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Craig Torrens
A.k.a.: Craig Torrens
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| posted on April 4th, 2010 at 01:16 PM |
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| Quote: | Originally
posted by tmerivale
hey craig i sent you a pm in the last couple of days can you reply when your free
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never got it mate.
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tmerivale
A.k.a.: Trevor Merivale
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| posted on April 4th, 2010 at 01:28 PM |
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craig, i just checked my outbox and it never sent??? i think i must be losing my mind, anyway ive just sent another one to you now
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hulbyw
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| posted on April 12th, 2010 at 05:46 PM |
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Given that you have to narrow a lowered beam to put on wide tyres, wouldn't it be easier to run narrower tyres on the front than the rear? If a low
profile is desired for looks you may need to re calibrate the speedo. Anyone know if it would adversely affect the handling to have narrower tyres on
the front than the rear?
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Bizarre
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| posted on April 12th, 2010 at 07:19 PM |
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more tread = better grip
Futue te ipsum!!!
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hulbyw
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| posted on April 12th, 2010 at 07:45 PM |
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So does it follow that more grip on the rear than the front will help balance out oversteer?
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Stanley
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| posted on April 12th, 2010 at 08:19 PM |
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if you want to fit fat front tyres you can always raise the front, however unless you have a baja you need to narrow the beam to lower the stance of
the car otherwise the tyres will scrub when you turn. This also depends how low you want to go. Also not sure about a Eureka they might have more room
in the front wells.
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Paulc1964au
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| posted on April 12th, 2010 at 09:01 PM |
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I am looking at installing some drop spindles and putting 175's on the front and 195's on the rear, will install the tyres first then do the drop
spindles.
If I put lower profile tyres on the front it will alter the speedo, can you actually recalibrate the speedo?
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Bizarre
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| posted on April 12th, 2010 at 09:11 PM |
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Dropped spindles have other issues with legality
There is a tread on here with the trials and tribulations of getting an engineers certificate with dropped spindles
Futue te ipsum!!!
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Paulc1964au
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| posted on April 12th, 2010 at 09:12 PM |
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oh really but isnt there issues with welded beams as well?
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Bizarre
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| posted on April 12th, 2010 at 09:41 PM |
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not as much as dropped spindles
Futue te ipsum!!!
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gazman
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| posted on April 12th, 2010 at 11:00 PM |
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| Quote: | Originally
posted by Stanley
Also not sure about a Eureka they might have more room in the front wells.
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They do... Not sure how much but.
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vwo60
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| posted on April 13th, 2010 at 11:05 AM |
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I thought that people fitted a narrowed front beam to allow the fittment of wheels that have the wrong offset for the particilar car, this raises all
types of complications in the legal and handling departments, first up it will change the scrub radius to the positive causing an increase in bump
steer and tramlining, increase in unsprung weight as now the wheel hang further out on the suspension, imcrease in wear on the king/link pins/ball
joints/wheel bearings and inner trailing arm bushes, if you pointed out to any automotive engineer that you have narrowed the beam to fit wheels that
you bought that look good but dont fit the car there is no way that that would be a approved modification as it is the wheel placement in relationship
the the actual suspension that is the major issue with the mudguard clearence being the second one, i had my 7' x 17" wheels made and with the disc
brake conversion that i engineered and machined the front track on my car is 14MM over standard,all you have to do is fit wheels that are engineered
for the car
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