You need less advance. An easy check would be to change the initial timing at the damper to 5-6 deg instead of 10 deg. One of the other posts suggested upgrading the gas. I would try that too.
Tom -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Brian Zack Sent: Wednesday, November 26, 2003 3:28 PM To: The Chevelle Mailing List Subject: RE: [Chevelle-list] Detonation question Yes, it seems to do it taking off from a start up hill a little heavy footed and when accelerating without downshifting. OK, Dumb question. Do I need more or less timing? It's been a long, short week. Brian Zack '70 Chevelle Malibu mailto:[EMAIL PROTECTED] -----Original Message----- From: Tom and Sue Tomlinson [mailto:[EMAIL PROTECTED] Sent: Wednesday, November 26, 2003 1:05 PM To: The Chevelle Mailing List Subject: RE: [Chevelle-list] Detonation question Your original post said the detonation occurred under load. If this is the case, changing the vacuum advance may not help since it will not be kicked-in under load. In that case, you need to change the initial (damper) advance, and/or total advance by the springs and weights (or the advance curve). Tom Tomlinson -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Brian Zack Sent: Wednesday, November 26, 2003 2:11 PM To: The Chevelle Mailing List Subject: RE: [Chevelle-list] Detonation question 10 degrees at damper + 22 at weights and springs (I think) + 16 vacuum advance. That is where I got 48. Is that not correct? Is total not including vacuum too? Brian Zack Structural Technician mailto:[EMAIL PROTECTED] Dekker/Perich/Sabatini architecture interiors planning engineering 505.761.9700 fax 505.761.4222. Visit our Website at www.dpsabq.com -----Original Message----- From: Clint Hooper [mailto:[EMAIL PROTECTED] Sent: Wednesday, November 26, 2003 11:51 AM To: The Chevelle Mailing List Subject: Re: [Chevelle-list] Detonation question How much initial advance did you say the engine has? Clint Hooper H&H Custom,owner LT5 Registry Director http://www.LT5Registry.net/ ACES #1650 http://dalesplace.com/misc/friends/clint_hooper.htm ----- Original Message ----- From: "Brian Zack" <[EMAIL PROTECTED]> Where would you suggest taking it out of? Weights and springs? Vacuum advance? Or initial? Or a little out of each? Brian Zack '70 Chevelle Malibu mailto:[EMAIL PROTECTED]
