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1.25 Thread Pitch for what year?

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Old 10-22-02, 02:33 PM
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1.25 Thread Pitch for what year?

Help!!!

What year did the 1.25 Thread Pitch begin and end?
It is my understanding that there was a change over for the 1981 model year?
Old 10-23-02, 09:43 AM
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Anyone no the change over year? Is the 1.25 thread pitch a "fine" thread pitch compared to the 1.00 thread pitch?
Old 10-23-02, 11:08 AM
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it's 12x1.25 vs 12x1.5

As far as I know all of them use the 12x1.5 pitch. 12x1.25 is nissan I beleive.

I didn't think the SA's (79-80) had a different pitch from the Fb's (81+) but I could be wrong. Ask in the 1st gen specific section.
Old 10-23-02, 01:46 PM
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No they didnt they were just longer.
Old 10-23-02, 05:55 PM
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Specifically, it is my understanding that the brake lines where different thread pitches.

If so what is the thread pitch and changeover year?
Old 10-23-02, 07:54 PM
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oops.. I was talking about lugnuts not brake lines. sorry...
Old 10-25-02, 09:10 AM
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It is my understanding that up to 1981 the thread pitch on the brake line fittings is a 1.00 thread pitch and starting in 1981 the thread pitch is 1.25.

Is this correct?
Old 10-25-02, 09:26 AM
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You'll get a better response if you post in the 1st gen section. Most of those guys don't venture into here.
Old 10-25-02, 09:53 AM
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Originally posted by rx7gslse
oops.. I was talking about lugnuts not brake lines. sorry...

Me too sorry bout that..
Old 10-25-02, 12:38 PM
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Thanks, I will post in the 1st Gen. section.
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