All About Engine Knock

LogicGate · April 5th, 2007, 09:32 PM

http://www.stanford.edu/~bmoses/knock.html

Enjoy the info! I loved the reading. Great source of info

Bitter · April 5th, 2007, 09:53 PM

the bit at the end about high octane fuel is pretty old, modern engines run with little to no knock at CR's 9-10:1 on 87 octane fuel without a problem.

the part here

Quote:

Turbulence can be increased by valve design or by creating areas of mixture that are squeezed between the piston and head, and are forced at high velocity into the middle of the combustion chamber (as emphasized in the Chrysler Wedge engines).

reminds me of the head grooves of Somender Singh. i've always wanted to play around with that some, but the spare head i have for an engine i can play with doesnt really have any areas to cut into.

LogicGate · April 5th, 2007, 09:58 PM

What did you think? Good source? I know it presents the basics of knocking very well.

Bitter · April 5th, 2007, 10:02 PM

Quote:

Originally Posted by LogicGate

What did you think? Good source? I know it presents the basics of knocking very well.

pretty good, i posted a good one on the parent site that should probably be copied over here. also a good plug reading guide should be posted, you can tell alot about timing from the ground strap.

Bitter · April 5th, 2007, 10:18 PM

http://www.club3g.com/forum/showthre...ock+detonation

same as what i posted, but just more recent. i think my post was lost.

LogicGate · April 6th, 2007, 12:26 AM

that one is long and much better information than the one I found. Excellent technical information. Should copy or link to our garage.

April 5th, 2007, 09:32 PM	#1
LogicGate Patron Join Date: Jun 2005 Location: Orlando Vehicle: 2001/GT/Spyder Posts: 2,582	All About Engine Knock http://www.stanford.edu/~bmoses/knock.html Enjoy the info! I loved the reading. Great source of info Last edited by LogicGate : April 5th, 2007 at 09:47 PM.

April 5th, 2007, 10:18 PM	#5
Bitter Eclipse Wrecker Join Date: Jun 2006 Location: South of Chicago Vehicle: 00 Celica GTS Posts: 3,138	http://www.club3g.com/forum/showthre...ock+detonation same as what i posted, but just more recent. i think my post was lost. __________________ 2000 Celica GTS 'slowest gts evar' 1993 Geo Prizm 7A-FE/A245E

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April 5th, 2007, 09:58 PM	#3
LogicGate Patron Join Date: Jun 2005 Location: Orlando Vehicle: 2001/GT/Spyder Posts: 2,582	What did you think? Good source? I know it presents the basics of knocking very well.

April 6th, 2007, 12:26 AM	#6
LogicGate Patron Join Date: Jun 2005 Location: Orlando Vehicle: 2001/GT/Spyder Posts: 2,582	that one is long and much better information than the one I found. Excellent technical information. Should copy or link to our garage.

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