I saw this on Gravana, never seen it before. Any one have any experience with it. Gravana claims it gives a 6 hp gain from 3700-5600 rpm on a N/A engine with intake and exhaust. It apparently allows you to adjust the fuel pressure from 30 psi to 130 psi, I don't see how this would increase horsepower on non-forced induction applications. Here is the link, copy and paste.
Its nothing more then a AFPR...... by itself its hard to get any hp gain out of it, but it could be used to get more HP out of a heavily modded engine.
SPD RCR Z - '02 Z24 420whp SLO GOAT - '04 GTO 305whp W41 BOI - '78 Buick Opel Isuzu W41 Swap
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