It could be timing but I'd go with a lean mixture first. I've had more backfires from that than anything else. ----- Original Message ----- From: <amc-list-request@xxxxxxx> To: <amc-list@xxxxxxxxxxxx> Sent: Monday, June 26, 2006 7:00 AM Subject: AMC-List Digest, Vol 5, Issue 51 > Send AMC-List mailing list submissions to > amc-list@xxxxxxxxxxxx > > To subscribe or unsubscribe via the World Wide Web, visit > http://www.amc-list.com/mailman/listinfo/amc-list > or, via email, send a message with subject or body 'help' to > amc-list-request@xxxxxxxxxxxx > > You can reach the person managing the list at > amc-list-owner@xxxxxxxxxxxx > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of AMC-List digest..." > > > Today's Topics: > > 1. Re: backfire through carb (Tom Jennings) > 2. Re: Back Fire Through Carb (Mr. AMC) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Mon, 26 Jun 2006 00:45:44 -0700 > From: Tom Jennings <tomj@xxxxxxx> > Subject: Re: [AMC-List] backfire through carb > To: amc-list@xxxxxxxxxxxx > Message-ID: <1151307945.28671.64.camel@xxxxxxxxxxxxx> > Content-Type: text/plain > > Timing. > > Retarded. > > Me I mean. > > On the road trip to Santa Fe last week I'd retarded it on the > side-of-the-road "a few degrees" to deal with the crap gas I was buying. > A "few" turned out to be 10. Can't beat actual measurement! Didn't > pinging though, uhuh. > > The 87-93 Clymer's Jeep 258 book I have, says the carburetted motor > wants 9 - 11 btdc static timing. I never bothered to look in the newer > books before [but wanted to double-check the new-fangled timing mark > setup], I assumed (ahem) it would be the same as older models (usually 4 > - 6btdc). Wrong again. > > I set it to 8btdc. I'll find out tomorrow on the drive to Irvine (45 mi. > each way). I hope I'm not wrong a third time. > > > > ------------------------------ > > Message: 2 > Date: Mon, 26 Jun 2006 06:14:49 -0400 > From: AMC74Hornet@xxxxxxxxx (Mr. AMC) > Subject: Re: [AMC-List] Back Fire Through Carb > To: amc-list@xxxxxxxxxxxx > Message-ID: <2864-449FB399-5508@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> > Content-Type: Text/Plain; Charset=US-ASCII > > Tom I hope that cures your problem. Me with the crap gas we have had for > years I gave up using a timing light long ago and have set my timing by > ear under a load on a hill. > "Doc" > > > > ------------------------------ > > _______________________________________________ > AMC-List mailing list > AMC-List@xxxxxxxxxxxx > http://www.amc-list.com/mailman/listinfo/amc-list > > > End of AMC-List Digest, Vol 5, Issue 51 > *************************************** _______________________________________________ AMC-List mailing list AMC-List@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list or go to http://www.amc-list.com