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Re: manually setting the total advance limit [Re: hemi68charger] #913529 01/26/11 05:54 PM 01/26/11 05:54 PM
Joined: Feb 2003 Posts: 10,234 Someplace you aren't S SomeCarGuy I Live Here
SomeCarGuy I Live Here S Joined: Feb 2003 Posts: 10,234 Someplace you aren't	34 isn't necessarily too low. I tried 36 and 38 and the car didn't run very good. Couldn't hear any pingin but I suspect silent knock. 34 ended up being very it runs smooth. I have a stock 383 HP and we have decent pump gas here. For now anyway

Re: manually setting the total advance limit [Re: SomeCarGuy] #913530 01/26/11 06:44 PM 01/26/11 06:44 PM
Joined: Jan 2003 Posts: 75,098 A Banana Republic near you. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,098 A Banana Republic near you.	Quote: 34 isn't necessarily too low. I tried 36 and 38 and the car didn't run very good. Couldn't hear any pingin but I suspect silent knock. 34 ended up being very it runs smooth. I have a stock 383 HP and we have decent pump gas here. For now anyway When I ran at the Pure Stock drags the people I talked to said to run as much as 42 on my 69 383HP , my engine was stock so compression was only 9.2ish , I compromised and ran it at 40 , and mixed some race gas in with the 93 I already had in the tank , it did pick up MPH after doing that.

Re: manually setting the total advance limit [Re: JohnRR] #913531 01/26/11 06:53 PM 01/26/11 06:53 PM
Joined: Jun 2006 Posts: 5,167 CT GTX MATT master
GTX MATT master Joined: Jun 2006 Posts: 5,167 CT	Quote: Quote: Quote: Whats your cam spec @50, this generally dictates what your initial timing should be. The motor is a bone stock OEM '69 Chrysler New Yorker 440... Now in a '69 Charger 500 with a 440 six pack on it.... Who would have figured? Must not be very impressive with that 383 2bbl cam in it ? According to information released by Chrysler years later, the production cams have a ramp that provides 77.7% of the advertised duration at .050, which would yield 199 on the intake side and 202 on the exhaust side (256/260 advertised). It seems about right to me, even though we know the 85 percent rule for the purpleshafts is off. Now I need to pin those needles, got to feel that heat Hear my motor screamin while I'm tearin up the street

Re: manually setting the total advance limit [Re: jbc426] #913532 01/26/11 07:13 PM 01/26/11 07:13 PM
Joined: Aug 2004 Posts: 1,213 Los Angeles, CA Mobarge pro stock
Mobarge pro stock Joined: Aug 2004 Posts: 1,213 Los Angeles, CA	Quote: ....or you could send your unit to FBO and get their ignition kit. Easy, proven and relatively inexpensive. Plus one on that. World of difference on my distro with my MSD-6AL. '71 SSP - SOLD!

Re: manually setting the total advance limit [Re: JohnRR] #913533 01/26/11 09:56 PM 01/26/11 09:56 PM
Joined: Feb 2005 Posts: 4,321 Prospect, PA BSB67 master
BSB67 master Joined: Feb 2005 Posts: 4,321 Prospect, PA	Quote: Quote: 34 isn't necessarily too low. I tried 36 and 38 and the car didn't run very good. Couldn't hear any pingin but I suspect silent knock. 34 ended up being very it runs smooth. I have a stock 383 HP and we have decent pump gas here. For now anyway When I ran at the Pure Stock drags the people I talked to said to run as much as 42 on my 69 383HP , my engine was stock so compression was only 9.2ish , I compromised and ran it at 40 , and mixed some race gas in with the 93 I already had in the tank , it did pick up MPH after doing that. In my iron headed 440, the more timing I put in it, the faster it went. End up in the 40 to 42 range, mostly because I was concerned about going any further.

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