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frp 392 dyno test

2K views 2 replies 2 participants last post by  ville 
Also www.airflowresearch.com.They have the article(s) about 392 crate with GT 40 heads ( 460 hp) and AFR 185 heads ( 537 hp)...quite interesting article in the latest 5.0 Mustang...tested the Roush iron heads, made 465 hp with around 230 cfm intake flow at the cam lift( .566).
 
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