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C5 UK headlights - T84 or T85?



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Colin55

New Comer

Tue 06 Mar 18 22:48

C5 UK headlights - T84 or T85?


Hi All. This is my first post, so if this topic is covered elsewhere or if this post is in the wrong area, I apologise. My name is Colin Freind and I am originally from Perth in Western Australia, but have been living in Calgary in Canada for the past 13 years. 3 years ago, a bought a 2003 50th Anniversary Vette (US model) and we have decided to return back to Perth this May and take the car back home with us. I have sourced Australian compliant tail lights, so my question concerns sourcing Australian compliant headlights, i.e. dip to the left like they do in the UK. I have read up a lot of posts on the internet and am getting a bit confused (not unusual ........I'm 67!!!!!). I know about the Euro style headlight replacements and 'Right Hand Rule of Road' and 'Left Hand Rule of Road' and T84 and T85 lenses, but can someone please confirm which headlights I need for Australian/UK compliance. Are they T84's or T85's?? The best kit I have found so far is about $US725 with shipping to Canada, so I would like to get this right first time!! Thanks in advance.

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Rich

Club Member

Wed 07 Mar 18 04:37

Re: C5 UK headlights - T84 or T85?


You need T85 - LH rule of the road


--------------------
Rich Rogers
CCCUK Lifetime Member
2017 Yellow SS Camaro

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Bowler

Club Member

Wed 07 Mar 18 06:50

Re: C5 UK headlights - T84 or T85?


Rich wrote (View Post):You need T85 - LH rule of the road

This...

T84s and T85s are complete headlamp units, not just lenses and both are significantly different from the US lights - in terms of both lenses and beam pattern. However they all fit into the same location with no body modifications (not sure about the wiring harness - maybe someone else can comment)

I had T84s on my car and switched them for T85s in about an hour for both sides. Its not a difficult job, with some very basic tools (Torx head screwdriver bits). The majority of the time is spent realigning the headlight covers, to get an even panel gap around the cover

BTW, T85s are ultra-difficult to source as a pair, so if you can grab a pair, then do so.

Out of interest, my understanding is/was that US cars shipped to Oz must be converted to RH Drive. In fact, I've seen a C5 in the UK that has been converted in this way. Is my understanding incorrect?


--------------------
2003 Euro Spec Coupe.
1966 Convertible

I suffer from an addiction called CH³ No² - a disease with no known cure....

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philv8

Club Member

Wed 07 Mar 18 08:02

Re: C5 UK headlights - T84 or T85?


Bowler wrote (View Post):Rich wrote (View Post):You need T85 - LH rule of the road

Out of interest, my understanding is/was that US cars shipped to Oz must be converted to RH Drive. In fact, I've seen a C5 in the UK that has been converted in this way. Is my understanding incorrect?


I thought that too.... But it appears that they will now allow LHD cars in 'for personal use'. Lots of rules/regs to qualify and they are 'state' interpreted so may vary. I did notice when I looked it up that it says headlights must 'dip down or to the left'. As the US spec car has flat beams, do they need to be changed? They dip down and as most of us with a standard C5 lighting system know, they aren't going to dazzle anyone Laughing

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roppa440

Club Member

Wed 07 Mar 18 10:38

Re: C5 UK headlights - T84 or T85?


You don't have to change the US headlights. You just need to make sure they are adjusted so as not to dazzle oncoming traffic.

As you say they have a flat beam so do not kick up on one side or the other. making them OK for the UK and I guess for Oz as well.

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roppa440

Club Member

Wed 07 Mar 18 10:42

Re: C5 UK headlights - T84 or T85?


When I bought my Euro (German) car it had already been (very badly) converted to the US headlights to make it UK compliant.

However, when I got the chance to buy of good used UK spec T85s I fitted them to give better visibility of road signs at night.

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Colin55

New Comer

Wed 07 Mar 18 16:51

Re: C5 UK headlights - T84 or T85?


To all the above that answered so promptly, thank you so much. All very informative and helpful. I think at this stage, I will leave the headlights as is and see how I go with Aussie registration first. If it doesn't pass, then I'll source some T85's.
You are correct about converting LHD vehicles in Australia. I am lucky because I will be living back in Western Australia and their regulations aren't as strict. In WA, if the vehicle is older that 15 years (30 years in some states!!) and the vehicle is for private use, then it doesn't have to be converted to RHD, which will save me about $A35,000. Cheers, Colin

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Vetteheadtony

Club Member

Thu 08 Mar 18 09:20

Re: C5 UK headlights - T84 or T85?


Cheap alternative!
https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.eb...


--------------------
Vetteheadtony
2004 Z06 lemans edition pro charged
613 BHP
Black C6 ZR1 wheels
FECKING FAST!!!

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Colin55

New Comer

Thu 08 Mar 18 20:27

Re: C5 UK headlights - T84 or T85?


Vetteheadtony,
Very interesting, might give it a try.

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philv8

Club Member

Thu 08 Mar 18 23:51

Re: C5 UK headlights - T84 or T85?


Colin55 wrote (View Post):Vetteheadtony,
Very interesting, might give it a try.


They're not a lot of use/you don't need them with US headlights......

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