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lower suspension arms identification
Posted: Fri Feb 28, 2014 6:00 am
by almondgreen
I have a set of lower suspension arms.
I have been told that they are 1.5 negative ones.
They have the number 21A2115 cast in it.
But I do not find any infos about this number.
Can anyone help me ?
Andreas
Re: lower suspension arms identification
Posted: Fri Feb 28, 2014 8:14 am
by Spider
Well, this won't be much help I'm afraid! The number you can read is the casting number, it's not a part number. The actual part number for the negative camber arms C-AJJ3364 (as a paired set), however all the factory lower arms were base on the same casting, only machined differently.
The only way you can be sure of what they are is to measure them centre to centre.
Re: lower suspension arms identification
Posted: Fri Feb 28, 2014 8:27 am
by almondgreen
the original arms I have, have different numbers.
I can not find anything about the numbers on this arms.
(They are longer than standard ones)
Re: lower suspension arms identification
Posted: Fri Feb 28, 2014 10:16 am
by Spider
There were a few different casting numbers used. Why? Dunno, you tell me. It's bit like the (so called) 12G940 Heads, there are 7 different castings that I have come across so far - and that is before they are machined! Only in this case same number, but multipal items.
Edit> it could also be that the others you are looking at are pre-68 types.
Re: lower suspension arms identification
Posted: Fri Feb 28, 2014 1:51 pm
by CooperTune
No real help here either. I'm helping a 1960 850 owner and his lower arms have the early straight bore inner hole as opposed to the tapered bore. I have not checked the part /casting numbers yet. I'd like to have a set of 1.5s and 2.0s if I could pick them up cheap. Guess I should just pick up the phone and order some. Steve (CTR)