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Triumph TR6 - Upper Wishbone Arms

OK folks, I've committed the ulimate home mechnic error. I removed the upper wishbone arms from the passenger side and forgot to mark which was the front and which was the rear.
How can I tell which is the front and which is the back. I'm assumming it matters since Moss lists different part numbers for them. Please forgive me oh great mechnic in the sky.
JW BRAW

The REAR wishbone is the more curved of the two.

Rick O.
72 TR6
Rick Orthen

JW
Take a look at the driver side and compare....take one off of the driver side and compare it to the 2 passenger side ones.
Rick C.
Rick Crawford

I talked with someone at The Roadster Factory. The more curved arm is for the front. The straighter arm is for the rear.
JW BRAW

I am working on a frame off restoration. I have a spare frame that I have just finished the last of the recommended modifications and it is now painted.

I have just striped the old R/H front end of my 72 and when I shot blasted the Upper arms I noticed an "R" stamped on the front one (although if I turn it over it has a "L" stamped on the other side). I presume that the R indicates the right side of the car and as I have only been working on that side and it's going on the way I removed it. I think it's correct.

Hope this helps
Colin Wilson

Do we have a conclusive answer? I looked in my books and it looked like the more curved one goes to the front.
robert

JW,

Based on the handling characteristics of the stock TR6, do you honestly think it makes any difference which way those parts are re-assembled into the the chassis! The whole thing wallows around so much, combined with the big sidewall tires that flex about another 10 degrees, that a few degrees of camber changes here or there won't make a damn bit of difference.

JP
John Parfitt

I think it sure as hell would make a difference if you only did one side wrong! Besides, he wants to do the job right. If you only took one side apart, JW, it would at least be a good bet to use the method seen on the other side.
Tom

The more curved arm is definitely in the front, and it DOES make a difference because if you reverse them, the upper and lower arms don't line up and you end up trying to cram the vertical link in cockeyed.

Jim
Jim Vandenberg

Well its all back together and its the right way. Thanks to all those who answered. I sure hope John doesn't work in a garage that services Triumph's. LOL
JW BRAW

I think JP duth speak with tongue in cheek. Right John!
Brian
B. Towne

BT - yup just pulling his chain. Acutally - there is a TR6 tuning book that talks about installing the rear arms upside down in order to lower the suspension by an inch or so.

JP
John Parfitt

Sorry I meant the lower arms are installed upside down in order to lower the car at the front.
John Parfitt

This thread was discussed between 23/11/2004 and 26/11/2004

Triumph TR6 index

This thread is from the archive. The Live Triumph TR6 BBS is active now.