- Joined
- August 14, 2004
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- 3,672
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- City, State
- Denver,NC
- Year, Model & Trim Level
- 1997 F150 XLT 4x4
What is the difference in a flex and non-flex fuel motor? Is it all external or is there a difference in the long block?
Sorry if this has been covered, just looking for a quick internal/external answer.
Sorry if this has been covered, just looking for a quick internal/external answer.