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- Wed Apr 28, 2021 12:41 am
- Forum: Series 1
- Topic: Exhaust manifold temperature variation
- Replies: 2
- Views: 1426
Exhaust manifold temperature variation
My 62 3.8L runs the original HD8’s on stock manifold. No matter what changes I make to carbs, the back three cylinders run around 600F and the front three in the 300 degree range. Back three plugs are carboned along with first cylinder. 2nd and third (from front) no carbon. Setting jets down from br...