C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

ARH header install question

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Old Sep 10, 2017 | 09:45 AM
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Default ARH header install question

On LT1's, what is everybody doing with the three braces from the alternator and compressor to the header studs?
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Old Sep 10, 2017 | 10:23 AM
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On my LT4 I was able to make the brackets fit except for one. This was the tubular looking brace with a hole on each side. I had to cut, reposition, redrill, and reweld. Then I painted it black. You can't tell that it's not factory. ARH told me this bracket/brace was not necessary but I wanted it in there. GM didn't put it in there for no reason. Do a search for my old write up here on the forum.

Last edited by grandspt; Sep 10, 2017 at 10:24 AM.
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Old Sep 10, 2017 | 05:39 PM
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I put a set of stainless works on. Shim with washers behind alt brace and I took the oe bolt from the factory manifold ground of the nut flange and used a colar to simulate the thickness of the old manifold. A little grinding on braces by the header pipe and ready to go.
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Old Jul 29, 2018 | 12:28 AM
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Made spacers from stainless to compensate bracket offset.
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