On my wheels the outer measurement lip to lip was not a full inch over the
stated size (14 x 6) which is the inner lip to inner lip. It was.75". Alp you
might want to be sure of that measurement also for the rest of the calculations.
I am terrible at math so I had to check all this stuff a lot, and it is still
confusing.
The wheel tech info on the 311 site was helpful also. I think it said max 4 "
backspace and 3 1/2" frontspace.
Good luck!
Linda
68 1600
"Victor Laury" <vlaury@earthlink.net> wrote:
>>I am looking at a set of wheels but am unsure of their fitment. I have
>a 1970 1600 that is all stock. I am looking at a wheel that has the
>dimensions of 14X6.5 +12.7 and 3.5 backspacing. Might these fit? Of
>course they are 4X4.5 thanks Alp
>
>From the specs "14X6.5 +12.7", they fit perfect. The "3.5" backspacing
>throws me off. I guess I don't understand how the measure it. From my
>calcs, a 12.7 offset would have 4.25" between the hub mounting face and
>the outside of the inside lip. In the reverse, a 3.5 backpace on a 6.5
>rim would have a -6.3 offset, which would not fit a roadster.
>
>6.5 = 7.5 overall
>7.5 * 25.4 = 190.5 mm
>190.5/2 = 95.25 centerline
>95.25 + 12.5 = 107.75
>107.75/25.4 = 4.25" backspace
>
>Victor Laury
>Downtown Los Angeles
>70 SRL Roadster
>70 PL521
>71 PL521
>72 240Z
>http://public.fotki.com/DatsunVic/
>
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