Quote:
Originally Posted by 72Mountaineer
A friend says the idler arm length should match the pittman arm length
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That does seem logical but notice that GM never had the pitman length equal the idler arm length, at least not on trucks from '60-'89. So being equal must not be important. The safest bet is to do whatever GM did and make your idler arm match whatever your pitman arm usage was. In other words, if you have an '80 pitman, use the '80 idler. This may also make you change center links.
And yes the center link should be parallel to the crossmember.