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Old 10-31-2025, 07:40 PM
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I had a very similar cam and ran 10.80's in my 69 Firebird at 3760 lbs. Street shape and thru 4 mufflers.

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67 Firebird 3440 lbs, Pump gas 537 IA2, tiger heads, 4.86 rear, 32 x 17.5's, full interior, 4 mufflers, street shape 1.36 60', [email protected] 1/8 mi. 5.67@123 on small shot.
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