The aftermarket headers (made for heater boxes) have the mounting for preheaters, but you have to drill a hole through the center of them. They come welded closed for people running FI, or Carbs that don't have a preheat set-up. The header would be easier than messing with relocating factory tube, and possibly causing a exhuast leak.
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1970 T1 W/MassIVe 2913cc RAT/?EFI? w/direct fire (very soon) and 915 trans
1962 SC 1776cc SP 944NA brakes, 993 wheels
VKG
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