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228R 5.3 2.5 heads timing at wot?

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Old 08-26-2018 | 03:39 PM
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Default 228R 5.3 2.5 heads timing at wot?

i don’t have a dyno this tune will be done on the street so I’m curious what people with this set up ended up with for timing at wot. It’ll be entered monitored for knock and done. The car won’t see the track. I’m thinking 26 and logging for knock. This sound reasonable. It’s a 60cc Head.
Old 08-26-2018 | 03:48 PM
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Sounds very reasonable, but every car is just a little bit different. For example I run those exact heads but with a bigger cam and I'm at 27 degrees
Old 08-27-2018 | 08:23 PM
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Ended up going down from 29 to 27 to keep knock away. After multiple pulls no knock. I think I'll leave it there. I got 2 degrees in one cell and a couple 1s from 5200 to 6400 so I backed it off 2 and none. Hopefully it doesn't pop.
Old 08-27-2018 | 08:26 PM
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If you don't already have one run a 160 t-stat
Old 08-29-2018 | 08:10 AM
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I am at 26 degrees with a similar setup. My setup is in my sig.
Old 08-29-2018 | 08:14 AM
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curious if you're also tuning with a wideband?




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