496 stroker motor

Old 03-01-2014, 09:54 AM
  #1  
sethz79
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Default 496 stroker motor

I am finishing up a 496 Chevy motor and wondering where to start with the timing. I have MSD ignition, dist, and rev limiter. Dart pro 1 aluminum heads 10.5:1 with matching single plane intake. With a fast efi 2.0 kit. I've never built something like this so not sure about my initial and centerfugal curves. My application is off road and street in 4x4 40" tires.
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Old 03-01-2014, 10:54 AM
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coloradoracerguy
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I'd start at about 32* total and tune from there. Likely will end up in the 34-38* range total, but every engine is different. Initial should be about 12-18 depending on how much advance your distributor has available in mechanical and vacuum if equipped....
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Old 03-01-2014, 11:47 AM
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sethz79
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Thanks. That'll give me a place to start.
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Old 07-24-2015, 10:35 PM
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dvrracing
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Seems like coloradoracerguy nailed it. I run a 496 drag car only and mine runs best at 36 degrees. I have locked distributor with a 20 degree retard box for easier starting. But it still starts easier if I hit the starter first to get it cranking and then turn the fire on. Good luck
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