81 Malibu cammed 5.3 vortec exhaust

Car made 321hp/312 tq on a dynocom dyno through an unlocked 3600 stall and 3.73s. Enjoy!
01' Model LM7 5.3 Vortec swapped into my 81 Malibu.
220/224 .575/.575 112lsa trickflow cam
Pacesetter 98-02 F body longtube headers
3inch dual exhaust with crossover H pipe 15 inches past the collectors
40series flowmasters with 3in turndowns

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