How much HP does the LS1 HC add ?
no one knows
Registered User
Joined: Jan 2002
Posts: 348
From: Jonesboro, GA, USA
With headers, lid, stock rear, hotcam, ls6 intake, tuning I wouldn't expect anymore than 380-385rwhp. On a pre 2001-2002 with ls1 intake, lid, stock manifolds I wouldn't expect anything more than 340-350rwhp.
Peace,
Peace,
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