Recent content by 69idi-Ryan
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6
Stage 1#'s
I will be doing a rebuild on my 6.9 in the coming months. Curious if anyone has done a stage 1 rebuild from R&D and what the results have been? This is the route I will likely be going. Hp, tq, fuel mileage, which is always difficult because everyone drives differently. This is going into a...- 69idi-Ryan
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- Replies: 1
- Forum: 6.9L IH & 7.3L IDI Diesels
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6
IDI Serial Numbers
Does anyone know how to decipher s/n? I have a 143790 on my 6.9. I believe it is either a 84 or early 85? It has a 85' cast into the block.- 69idi-Ryan
- Post #13
- Forum: 6.9L IH & 7.3L IDI Diesels
