Just the fact that you can say bumping the timing only 4 degrees really freed up the motor is telling you that you're heading in the right direction.. Follow the signs . 15 degrees of total timing is very low.. Scary low in my opinion. A 200 shot is more destructive then 15 psi in my opinion. A 200 shot on a bench test sends a manifold flying up off the bench ! lol. Dont mind me im just thinking out loud here !
Makes total sense so I will keep it at 19 because it did like that! I know it is running slightly lean at 8.4 on the E85 scale, so I need to put a little more jet in it.
Man, you guys have been so helpful!!!!!!!!!!!!!!!!!!!
Steve
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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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