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Old 01-09-2011, 05:51 PM
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2 degrees timing 21 hp 31 tq

I just watched the horsepower episode where they built a mopar 360 and put it on the dyno. They upped the timing 2 to 3 degrees and gained about 20 hp and 30 ft/lbs of torque. I must say I was impressed. It makes me think that my own 350 could be more powerful with just the right timing. I have had it sound pretty good with 18 initial but I ended up with 41 total. The mopar was at 35.5. I know all motors are different. I think I will take mine to the local dyno shop and see if I can get it dialed in.

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Old 01-14-2011, 07:22 AM
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timing dial in

Any time you start changing things, Heads. porting Cam manifolds headers, carb, fuel octane, etc the timing requirements change also . also a lot of factory timing was done for economy and emissions. timing requirements also depends on the engine load
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Old 01-14-2011, 10:56 AM
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Quote:
Originally Posted by Mertz
I just watched the horsepower episode where they built a mopar 360 and put it on the dyno. They upped the timing 2 to 3 degrees and gained about 20 hp and 30 ft/lbs of torque. I must say I was impressed. It makes me think that my own 350 could be more powerful with just the right timing. I have had it sound pretty good with 18 initial but I ended up with 41 total. The mopar was at 35.5. I know all motors are different. I think I will take mine to the local dyno shop and see if I can get it dialed in.
That's a fantastic gain with just 2* of timing. But where in the power band was the gain? If it was at peak horse power, that 20 hp and 30 ftlb torque is not going to really help you. Those gains would be beneficial on the track at 6800 rpm trap speeds, but for street driving, most of us don't wind our engines to redline. I would be excited if those gains were in a useful range of your engines power/torque band, (2500-4500rpm's). I agree, If you can take your car to a trusted local dyno shop and get your car dialed in on the dyno under load, that's the best way.
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Old 01-14-2011, 01:23 PM
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These were peaks at high rpm. The curve on the motor was pretty nice however. Very straight and consistent.
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Old 01-14-2011, 01:26 PM
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I've always done my adjustments at the track. And I have seen substantial gains with a few degrees of timing. In both directions actually.
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