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#1
11-02-2006, 03:05 PM
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KRE head swap dyno results
Another attempt to get some solid swap numbers went to the wayside. The dyno showed 452 RWHP at 5650 RPM. But the rpms and power was jumping all over the place. After making various adjustements and 8 attempted pulls we called it quits. As soon as the secondaries opened things went goofy.
The consensus is my torque converter can't hold the power against the dyno and was slipping intermitently. The only other parts that changed besides heads was new push rods. Timing and Q Jet rods were different. These numbers show a 77 RWHP increase from a well ported 6X-4 head to the 310 CNC 74CC KRE D Ports dynoed on the same machine. I wanted to swap to 1.65 rockers and see results but things just weren't working right. I have another cam to swap to this winter and am looking to still be on target for 500+ RWHP to start next season.
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