Backtobirdy
Registered User
Hi everyone, thanks for the help and assistance with the previous issues, cars been running really good! But I've developed some sort of vacuum and boost issue. Along with a pinging issue? Well it seems like pinging to me that is....
Ok, so the vac and boost. I've re-sealed the IC tubes. Top hat etc. I've also checked as many vac lines I can get to, and put zip ties on the ones I can reach. Car has been idling at 15 in-hg in park or neutral. In gear it's dropping to 12"ish". On WOT boost, I'm getting around 8-9# and it feels like it's not all there, I know what full boost feels like in these cars. Car off, needle sits dead at"zero". With the zip ties (excluding the IC tubes) it dropped from 15, to around 12 in-hg at idle and 9"ish" in gear and now I'm getting only like 6-7# of boost. No change after IC tubes were pulled and re-sealed. While pulling ic tubes, (bottom one left in the car due to not knowing if I had to pull p.s. pump to remove it) I swapped out plugs due to a pinging and not really hard start, but more of a drawn out crank to start. After inspection of the old plugs, there was no electrode on any single plug! How the hell was this thing running!? new plugs installed, and same pinging exists. Bit confused now.
K, so I have a slight, and I mean SLIGHT exhaust leak either at the downpipe, or exhaust manifold, wanna say drivers side. Still trying to pinpoint it. Will that cause a low vac/boost pinging issue? So lost, maybe I pinched a vac line wrong with a zip tie? Could the pvc valve on the passenger sides grommet be so old that I'm losing vac there? Thanks in advance for any input or advice.
Ok, so the vac and boost. I've re-sealed the IC tubes. Top hat etc. I've also checked as many vac lines I can get to, and put zip ties on the ones I can reach. Car has been idling at 15 in-hg in park or neutral. In gear it's dropping to 12"ish". On WOT boost, I'm getting around 8-9# and it feels like it's not all there, I know what full boost feels like in these cars. Car off, needle sits dead at"zero". With the zip ties (excluding the IC tubes) it dropped from 15, to around 12 in-hg at idle and 9"ish" in gear and now I'm getting only like 6-7# of boost. No change after IC tubes were pulled and re-sealed. While pulling ic tubes, (bottom one left in the car due to not knowing if I had to pull p.s. pump to remove it) I swapped out plugs due to a pinging and not really hard start, but more of a drawn out crank to start. After inspection of the old plugs, there was no electrode on any single plug! How the hell was this thing running!? new plugs installed, and same pinging exists. Bit confused now.
K, so I have a slight, and I mean SLIGHT exhaust leak either at the downpipe, or exhaust manifold, wanna say drivers side. Still trying to pinpoint it. Will that cause a low vac/boost pinging issue? So lost, maybe I pinched a vac line wrong with a zip tie? Could the pvc valve on the passenger sides grommet be so old that I'm losing vac there? Thanks in advance for any input or advice.