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MCM 5.0 EFI possible fuel issue?

So what was the outcome?????. I am.having the exact problem with mine. Twin 5.0 efi. Cany get past 2800 rpm on right motor. 3500 rpm on left. Super stumped. Help with how you fixed it
 
So did you ever do the swap over. I have twin 5.0 efi and having problems with my 1 motor. No matter what i have changed i cant get it over 3000 rpm. The other is now fine. Thinking of going old school and going to a carb too. Was told i have to swap out manifold, distribitor, add a msd box and card. Est is $3,000 - $3,500 all in parts and labor
 
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