Join Date: Apr 2002
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Fueil injection for the 4.2 to 4.0 head swap
Has anyone done the 4.0 conversion and used the FI from the donor vehicle. I want the power and reliability but I don't want to drop 2k for the mopar MFI and another 200 for a vibration damper. I have an 87 YJ with a weber carb on it now, stock manifold and stock exhaust. What are my options? Can I reuse the weber on the new head? can I keep the same valve cover or do I need to change that out also? Thanks...