273: I Have read A TON about the sniper, and the fitech. I wouldnt overthink the manifold issue. As you stated, holley just recommends a spacer, and fitech states their unit doesnt much care. You guys even have a vendor here helping with the same thoughts above.
In general: Im missing why the fast unit keeps being referenced in the sniper and fitech threads.
It is not a fitech, or a sniper. It isnt designed the same, uses different psi fuel, has an external ecu, its much less forgiving...its just not the same. The fast is 10 years behind the others.
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OK, just keep struggling and asking questions on how to make them run right .