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SVTPerformance's Chain of Restaurants
Road Side Pub
American Muscle's Definitive High-HP New Edge Mustang Tech Guide
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<blockquote data-quote="CV355" data-source="post: 16287109" data-attributes="member: 181885"><p>To be honest, I changed too much all at once, so I couldn't definitively tell you the difference that just the heads made. When we first built that 5.4l monster up, I had my old KB 2.1l on top. It ran like a buzzsaw. I mean, between the cams, the KB, the heads, it had very similar street manners to the '14 GT500. Very smooth. Bulletproof. They slap 1.7s and 2.1s on 351s and 347s, so I assumed the compressor map would match up ok, which it did. In reality, I should have upgraded to a larger KB.</p><p></p><p>Once I went turbo, the streetability was gone. I blame that more on the compressor map, inlet size choice, TB, all poor decisions on my part made from inexperience at the time. Great for the dyno, bad for the street.</p></blockquote><p></p>
[QUOTE="CV355, post: 16287109, member: 181885"] To be honest, I changed too much all at once, so I couldn't definitively tell you the difference that just the heads made. When we first built that 5.4l monster up, I had my old KB 2.1l on top. It ran like a buzzsaw. I mean, between the cams, the KB, the heads, it had very similar street manners to the '14 GT500. Very smooth. Bulletproof. They slap 1.7s and 2.1s on 351s and 347s, so I assumed the compressor map would match up ok, which it did. In reality, I should have upgraded to a larger KB. Once I went turbo, the streetability was gone. I blame that more on the compressor map, inlet size choice, TB, all poor decisions on my part made from inexperience at the time. Great for the dyno, bad for the street. [/QUOTE]
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American Muscle's Definitive High-HP New Edge Mustang Tech Guide
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