In this video, we install an eBay "AEM copy" high-flow fuel rail after investigating why the sparkplugs are burning different colors, cylinder 1 is burnt black but cylinder 4 is white. we find out that the cylinders are running at different air/fuel ratios due to the small stock fuel rail.
We drill out the new fuel rail from 10mm to 14mm to fit the bosch 440cc injectors.
Fuel Rail Links
eBay - https://ebay.us/vg6qA5
Amazon - https://amzn.to/3Sd2t9I
Full Build Parts List
Greddy Style Turbo Manifold - https://ebay.us/SjhLNU
T04E 50mm 0.50AR Turbo - https://ebay.us/RghsZk
Adjustable Cam Gear - https://ebay.us/4E2FWE
440cc Bosch Injectors - https://ebay.us/OCETCQ
Walbro 255L Fuel Pump - https://ebay.us/g8CDr4
Universal Intercooler - https://ebay.us/11DoPg
Stand Alone ECU (Dictator Standard) (RSA)
Stock D15Z4 Block / Stock D16Z6 Head / P2K Intake
63mm Custom Charge Pipes / Downpipe & Exhaust.
Xcell BOV / Internal Wastegate 7psi
Online Honda Repair Manual - https://shrsl.com/40flk
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