Dyno with Stock Config - Knock??

BungHoleCamper

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I've seen it noted that, in stock form, the B58 in the Supra knocks slightly during dyno runs and pulls timing. Can anyone confirm this and possibly provide numbers?

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Twisted Tuning

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this is normal. EVERY engine since the beginning of internal combustion engines knocks a little bit. Its inherent in the design. corrections up to -3 randomly or not across all cylinders are accepted.
 

ayau

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How much more knock is there on 91 compared to 93? Does adding a few gallons of e85 remove most of the knock on stock tune?
 

Twisted Tuning

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How much more knock is there on 91 compared to 93? Does adding a few gallons of e85 remove most of the knock on stock tune?

sure it'll help. but you're still going to have corrections here and there.
 
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BungHoleCamper

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this is normal. EVERY engine since the beginning of internal combustion engines knocks a little bit. Its inherent in the design. corrections up to -3 randomly or not across all cylinders are accepted.
Correct. I was more interested in how much timing was pulled when running 93 in order to ascertain if meth injection alone was a worthwhile modification. Ultimately, some degree of tuning should be done however what would be results be without tuning?

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