1999 Pontiac Trans Am SLP Dyno Testing - Trans Slam
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The 350HP Pac produced 289 peak horsepower at 5,113 and 305 lb-ft of peak torque at 4,102 rpm; average horsepower was 253 and torque was 298 lb-ft. SLP's 375HP Pac produced 310 peak horsepower at 5,217 and 318 lb-ft of peak torque at 4,200 rpm; average horsepower was 270 and torque was 312 lb-ft. Air inlet temp at the induction scoop was 94.5 degrees for the 350HP Pac; for the 375HP test, it was 98.7 degrees. Coolant temp was 170-179 degrees for best rwhp while testing both Pacs. View Related Article
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