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Re: Ping revisited
I would highly recommend you get an automotive stethoscope and track
down the loose part before your engine explodes. Maybe a bearing cap came loose or one bearing isn't the right size or a lifter is bad... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's KurtS wrote: > > Hey all, > 85 CJ7/258/Carter BBD/recent rebuild/computer back in the loop for now > > I've finally got some time to deal with the mild ping my engine has (running > any Octane rating). Here's the story: I recently had the engine rebuilt. It > pings on mild acceleration only. If I put my foot into it, the ping stops. > Correct me if I'm wrong but that indicates a lean condition at cruising > throttle, right? I'm 99% certain there are no vac leaks - replaced all vac > stuff a year ago. I've replaced the distributor because the shop said the > weights were worn out on my old one and they weren't keeping the timing from > going off the dial. I also replaced the EGR -- definitely working as > expected. The shop told me that since it still pings on mild acceleration > after replacing the distrib and EGR, that I need to richen the mix a little > (not the idle mix obviously). Looking at the gizmos under the vent cover > plate on the carb, what do/can I adjust? TIA for any help. > > Kurt |
Re: Ping revisited
I would highly recommend you get an automotive stethoscope and track
down the loose part before your engine explodes. Maybe a bearing cap came loose or one bearing isn't the right size or a lifter is bad... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's KurtS wrote: > > Hey all, > 85 CJ7/258/Carter BBD/recent rebuild/computer back in the loop for now > > I've finally got some time to deal with the mild ping my engine has (running > any Octane rating). Here's the story: I recently had the engine rebuilt. It > pings on mild acceleration only. If I put my foot into it, the ping stops. > Correct me if I'm wrong but that indicates a lean condition at cruising > throttle, right? I'm 99% certain there are no vac leaks - replaced all vac > stuff a year ago. I've replaced the distributor because the shop said the > weights were worn out on my old one and they weren't keeping the timing from > going off the dial. I also replaced the EGR -- definitely working as > expected. The shop told me that since it still pings on mild acceleration > after replacing the distrib and EGR, that I need to richen the mix a little > (not the idle mix obviously). Looking at the gizmos under the vent cover > plate on the carb, what do/can I adjust? TIA for any help. > > Kurt |
Re: Ping revisited
I would highly recommend you get an automotive stethoscope and track
down the loose part before your engine explodes. Maybe a bearing cap came loose or one bearing isn't the right size or a lifter is bad... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's KurtS wrote: > > Hey all, > 85 CJ7/258/Carter BBD/recent rebuild/computer back in the loop for now > > I've finally got some time to deal with the mild ping my engine has (running > any Octane rating). Here's the story: I recently had the engine rebuilt. It > pings on mild acceleration only. If I put my foot into it, the ping stops. > Correct me if I'm wrong but that indicates a lean condition at cruising > throttle, right? I'm 99% certain there are no vac leaks - replaced all vac > stuff a year ago. I've replaced the distributor because the shop said the > weights were worn out on my old one and they weren't keeping the timing from > going off the dial. I also replaced the EGR -- definitely working as > expected. The shop told me that since it still pings on mild acceleration > after replacing the distrib and EGR, that I need to richen the mix a little > (not the idle mix obviously). Looking at the gizmos under the vent cover > plate on the carb, what do/can I adjust? TIA for any help. > > Kurt |
Re: Ping revisited
Heh. OK OK. I'll pull out the stethoscope. I don't want to think Mike is
right but history has shown again again that he is rarely wrong :-) > From: Mike Romain <romainm@sympatico.ca> > Organization: Bell Sympatico > Newsgroups: rec.autos.makers.jeep+willys > Date: Mon, 03 May 2004 08:31:51 -0400 > Subject: Re: Ping revisited > > I would highly recommend you get an automotive stethoscope and track > down the loose part before your engine explodes. > > Maybe a bearing cap came loose or one bearing isn't the right size or a > lifter is bad... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > > KurtS wrote: >> >> Hey all, >> 85 CJ7/258/Carter BBD/recent rebuild/computer back in the loop for now >> >> I've finally got some time to deal with the mild ping my engine has (running >> any Octane rating). Here's the story: I recently had the engine rebuilt. It >> pings on mild acceleration only. If I put my foot into it, the ping stops. >> Correct me if I'm wrong but that indicates a lean condition at cruising >> throttle, right? I'm 99% certain there are no vac leaks - replaced all vac >> stuff a year ago. I've replaced the distributor because the shop said the >> weights were worn out on my old one and they weren't keeping the timing from >> going off the dial. I also replaced the EGR -- definitely working as >> expected. The shop told me that since it still pings on mild acceleration >> after replacing the distrib and EGR, that I need to richen the mix a little >> (not the idle mix obviously). Looking at the gizmos under the vent cover >> plate on the carb, what do/can I adjust? TIA for any help. >> >> Kurt |
Re: Ping revisited
Heh. OK OK. I'll pull out the stethoscope. I don't want to think Mike is
right but history has shown again again that he is rarely wrong :-) > From: Mike Romain <romainm@sympatico.ca> > Organization: Bell Sympatico > Newsgroups: rec.autos.makers.jeep+willys > Date: Mon, 03 May 2004 08:31:51 -0400 > Subject: Re: Ping revisited > > I would highly recommend you get an automotive stethoscope and track > down the loose part before your engine explodes. > > Maybe a bearing cap came loose or one bearing isn't the right size or a > lifter is bad... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > > KurtS wrote: >> >> Hey all, >> 85 CJ7/258/Carter BBD/recent rebuild/computer back in the loop for now >> >> I've finally got some time to deal with the mild ping my engine has (running >> any Octane rating). Here's the story: I recently had the engine rebuilt. It >> pings on mild acceleration only. If I put my foot into it, the ping stops. >> Correct me if I'm wrong but that indicates a lean condition at cruising >> throttle, right? I'm 99% certain there are no vac leaks - replaced all vac >> stuff a year ago. I've replaced the distributor because the shop said the >> weights were worn out on my old one and they weren't keeping the timing from >> going off the dial. I also replaced the EGR -- definitely working as >> expected. The shop told me that since it still pings on mild acceleration >> after replacing the distrib and EGR, that I need to richen the mix a little >> (not the idle mix obviously). Looking at the gizmos under the vent cover >> plate on the carb, what do/can I adjust? TIA for any help. >> >> Kurt |
Re: Ping revisited
Heh. OK OK. I'll pull out the stethoscope. I don't want to think Mike is
right but history has shown again again that he is rarely wrong :-) > From: Mike Romain <romainm@sympatico.ca> > Organization: Bell Sympatico > Newsgroups: rec.autos.makers.jeep+willys > Date: Mon, 03 May 2004 08:31:51 -0400 > Subject: Re: Ping revisited > > I would highly recommend you get an automotive stethoscope and track > down the loose part before your engine explodes. > > Maybe a bearing cap came loose or one bearing isn't the right size or a > lifter is bad... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > > KurtS wrote: >> >> Hey all, >> 85 CJ7/258/Carter BBD/recent rebuild/computer back in the loop for now >> >> I've finally got some time to deal with the mild ping my engine has (running >> any Octane rating). Here's the story: I recently had the engine rebuilt. It >> pings on mild acceleration only. If I put my foot into it, the ping stops. >> Correct me if I'm wrong but that indicates a lean condition at cruising >> throttle, right? I'm 99% certain there are no vac leaks - replaced all vac >> stuff a year ago. I've replaced the distributor because the shop said the >> weights were worn out on my old one and they weren't keeping the timing from >> going off the dial. I also replaced the EGR -- definitely working as >> expected. The shop told me that since it still pings on mild acceleration >> after replacing the distrib and EGR, that I need to richen the mix a little >> (not the idle mix obviously). Looking at the gizmos under the vent cover >> plate on the carb, what do/can I adjust? TIA for any help. >> >> Kurt |
Re: Ping revisited
Heh. OK OK. I'll pull out the stethoscope. I don't want to think Mike is
right but history has shown again again that he is rarely wrong :-) > From: Mike Romain <romainm@sympatico.ca> > Organization: Bell Sympatico > Newsgroups: rec.autos.makers.jeep+willys > Date: Mon, 03 May 2004 08:31:51 -0400 > Subject: Re: Ping revisited > > I would highly recommend you get an automotive stethoscope and track > down the loose part before your engine explodes. > > Maybe a bearing cap came loose or one bearing isn't the right size or a > lifter is bad... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > > KurtS wrote: >> >> Hey all, >> 85 CJ7/258/Carter BBD/recent rebuild/computer back in the loop for now >> >> I've finally got some time to deal with the mild ping my engine has (running >> any Octane rating). Here's the story: I recently had the engine rebuilt. It >> pings on mild acceleration only. If I put my foot into it, the ping stops. >> Correct me if I'm wrong but that indicates a lean condition at cruising >> throttle, right? I'm 99% certain there are no vac leaks - replaced all vac >> stuff a year ago. I've replaced the distributor because the shop said the >> weights were worn out on my old one and they weren't keeping the timing from >> going off the dial. I also replaced the EGR -- definitely working as >> expected. The shop told me that since it still pings on mild acceleration >> after replacing the distrib and EGR, that I need to richen the mix a little >> (not the idle mix obviously). Looking at the gizmos under the vent cover >> plate on the carb, what do/can I adjust? TIA for any help. >> >> Kurt |
Re: Ping revisited
Carter's don't have replaceable/upgradable jets? Then you back off the idle mixture. Just a thought. --James "KurtS" <nospam@thanksImFull.spam> wrote in message news:BCBAC1B6.33695%nospam@thanksImFull.spam... > Hey all, > 85 CJ7/258/Carter BBD/recent rebuild/computer back in the loop for now > > I've finally got some time to deal with the mild ping my engine has (running > any Octane rating). Here's the story: I recently had the engine rebuilt. It > pings on mild acceleration only. If I put my foot into it, the ping stops. > Correct me if I'm wrong but that indicates a lean condition at cruising > throttle, right? I'm 99% certain there are no vac leaks - replaced all vac > stuff a year ago. I've replaced the distributor because the shop said the > weights were worn out on my old one and they weren't keeping the timing from > going off the dial. I also replaced the EGR -- definitely working as > expected. The shop told me that since it still pings on mild acceleration > after replacing the distrib and EGR, that I need to richen the mix a little > (not the idle mix obviously). Looking at the gizmos under the vent cover > plate on the carb, what do/can I adjust? TIA for any help. > > Kurt > |
Re: Ping revisited
Carter's don't have replaceable/upgradable jets? Then you back off the idle mixture. Just a thought. --James "KurtS" <nospam@thanksImFull.spam> wrote in message news:BCBAC1B6.33695%nospam@thanksImFull.spam... > Hey all, > 85 CJ7/258/Carter BBD/recent rebuild/computer back in the loop for now > > I've finally got some time to deal with the mild ping my engine has (running > any Octane rating). Here's the story: I recently had the engine rebuilt. It > pings on mild acceleration only. If I put my foot into it, the ping stops. > Correct me if I'm wrong but that indicates a lean condition at cruising > throttle, right? I'm 99% certain there are no vac leaks - replaced all vac > stuff a year ago. I've replaced the distributor because the shop said the > weights were worn out on my old one and they weren't keeping the timing from > going off the dial. I also replaced the EGR -- definitely working as > expected. The shop told me that since it still pings on mild acceleration > after replacing the distrib and EGR, that I need to richen the mix a little > (not the idle mix obviously). Looking at the gizmos under the vent cover > plate on the carb, what do/can I adjust? TIA for any help. > > Kurt > |
Re: Ping revisited
Carter's don't have replaceable/upgradable jets? Then you back off the idle mixture. Just a thought. --James "KurtS" <nospam@thanksImFull.spam> wrote in message news:BCBAC1B6.33695%nospam@thanksImFull.spam... > Hey all, > 85 CJ7/258/Carter BBD/recent rebuild/computer back in the loop for now > > I've finally got some time to deal with the mild ping my engine has (running > any Octane rating). Here's the story: I recently had the engine rebuilt. It > pings on mild acceleration only. If I put my foot into it, the ping stops. > Correct me if I'm wrong but that indicates a lean condition at cruising > throttle, right? I'm 99% certain there are no vac leaks - replaced all vac > stuff a year ago. I've replaced the distributor because the shop said the > weights were worn out on my old one and they weren't keeping the timing from > going off the dial. I also replaced the EGR -- definitely working as > expected. The shop told me that since it still pings on mild acceleration > after replacing the distrib and EGR, that I need to richen the mix a little > (not the idle mix obviously). Looking at the gizmos under the vent cover > plate on the carb, what do/can I adjust? TIA for any help. > > Kurt > |
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