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Best cam for 350 vortec heads8/27/2023 I've never head about drilling the head for a coolant thing. Like I said, just curious what others have found. Is that a good or bad idea or would it be money ahead just to rebuild the Vortec motor if I want more power at that time? The current SBC only has 500miles on it, so still very fresh. My plan at this stage is to drive her until she just dies, at which point, I might rob the rear diff for my '60 Burb and I'm wondering if it would be worth it to swap heads and maybe even swap over the intake as well. The engine has 270k miles and runs decent, but has some sort of stutter I can't find. There is nothing currently wrong with motor and I'm currently happy with the setup, BUT.I have a '99 K1500 Burb with a 5.7L Vortec. Machinist estimated it to be about a 330HP motor. The current intake is a performer with Eddy 4 barrel. I don't recall replacing the crank, so it might be original, but again been too long to recall. Never ran, but I did go back through her prior to dropping in current vehicle. The pistons are Flat top (I believe Weisco) and are cast I believe (as they had casting marks) but it's been too many years since the motor was actually assembled. My current engine is a '74 SBC 350 bored 60 over, has an Isky 270/280 Mega Hydraulic Flat Tappet Cam. I'm also curious how I'd know if the engine should handle the add. I'm curious how much HP adding these heads onto a SBC 350 adds and if it is worthwhile to consider this add down the road.
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