Re: IML: '73 LeBaron Spark Knock at Part Throttle

["Dave" <Wilkerbeast01@xxxxxxxxxxx>]

Make sure the vacumn advance hose is connected ABOVE the throttle plates?

David C. Wilker Jr. USAF (RET)
Children need love, especially when they do not deserve it.
                                                              - Harold S. 
Hulbert
----- Original Message ----- 
From: "Jay King" <j_king@xxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Wednesday, February 16, 2005 1:37 PM
Subject: IML: '73 LeBaron Spark Knock at Part Throttle


Hello, list,

I seem to recall some discussion recently on the list about 440s and spark 
knock (pinging) at part throttle. I noticed this week that my '73 Lebaron 
seems to be exhibiting just that symptom, but only when there are more than 
two people in the car. There are some acceleration issues that should be 
cleared up with some vacuum line replacements this weekend when my son and I 
put a new power brake booster on the car, but the pinging at part throttle 
(not WOT) worries me. For those willing to attempt long-distance diagnosis, 
the motor has less than 50,000 miles and came from the factory with the HP 
cam. I have replaced the ThermoQuad with an Edelbrock Performer 1406 (wow! 
what a difference!) Did the discussion I seem to be remembering center 
around deteriorated motor mounts and the #8 spark plug grounding against the 
subframe under certain acceleration conditions?

Thanks in advance for any and all help!

On another topic: I may have the chance to buy a '76 NYB four door hardtop 
(the year of my high school graduation!) I know very little about the car 
except that it looks pretty good and supposedly has been sitting because of 
a bad fuel pump. Anything I should look for/look out for on this car? I'd 
like to have it, but I'm not looking for a major project right now (actually 
I am, but it will probably be a '72 Dart Demon my son thinks he can't live 
without. Well, at least it's a Mopar . . .)

Thanks to all!

Jay

Jay King
Meridian, Mississippi
<a href=mailto:j_king@xxxxxxxxx>j_king@xxxxxxxxx</a>

Honey Gold 1973 LeBaron 4DHT
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