Re: 90 Civic valve issue...
Thanks - I'm learning here... Is 250 RPM what the starter spins? What
does the wide open throttle do for you? I'm thinking these numbers are what you use to compare to when you have a four plugs pulled and you put the compression checker in each cylinder and have someone crank it? So they need to floor it too!? I measured 140-145 on all 4 before the incident and it was burning oil like crazy ... so I must have done something wrong... or loss of compression isn't why this was burning oil. The PCV was checked and thought to be fine. I feel like I need to learn this lesson before I buy the next car. -D Eric wrote: > meld_b wrote: > >>Thanks guys - I keep reaching for chemical solutions... Engine restore >>will help me with the scored pistons right? > > > Most of the "mechanic in a can" solutions are wishful thinking. Although I'm > not familiar with this specific product, I would be suspicious any product that > claimed it could fix scored pistons and cylinders. > > >>I wonder how to find someone with a REAL manual that will tell me the target >>compression. The Chilton's that I've found in a local library don't seem to >>have the numbers. > > > 250 rpm and wide open throttle > nominal 185 psi > minimum 135 psi > max variation 28 psi |
Re: 90 Civic valve issue...
Thanks - I'm learning here... Is 250 RPM what the starter spins? What
does the wide open throttle do for you? I'm thinking these numbers are what you use to compare to when you have a four plugs pulled and you put the compression checker in each cylinder and have someone crank it? So they need to floor it too!? I measured 140-145 on all 4 before the incident and it was burning oil like crazy ... so I must have done something wrong... or loss of compression isn't why this was burning oil. The PCV was checked and thought to be fine. I feel like I need to learn this lesson before I buy the next car. -D Eric wrote: > meld_b wrote: > >>Thanks guys - I keep reaching for chemical solutions... Engine restore >>will help me with the scored pistons right? > > > Most of the "mechanic in a can" solutions are wishful thinking. Although I'm > not familiar with this specific product, I would be suspicious any product that > claimed it could fix scored pistons and cylinders. > > >>I wonder how to find someone with a REAL manual that will tell me the target >>compression. The Chilton's that I've found in a local library don't seem to >>have the numbers. > > > 250 rpm and wide open throttle > nominal 185 psi > minimum 135 psi > max variation 28 psi |
Re: 90 Civic valve issue...
It is a red flag to me if someone says thay have done the valves on a
car with high mileage. Engines tend to age gracefully if well cared for, and that means the top and bottom end age together. So, when you do the top end and restore full sealing power and compression to the engine, it can spell trouble for the older bottom end, leading to ring and cylinder failures. If thi car is in excellent shape otherwise, look around for a short block and put it in. Can't be more than $1200-$1300 total. On Mon, 15 Sep 2003 03:05:06 GMT, meld_b <meld_b@yahoo.com> wrote: >Thanks - I'm learning here... Is 250 RPM what the starter spins? What >does the wide open throttle do for you? I'm thinking these numbers are >what you use to compare to when you have a four plugs pulled and you put >the compression checker in each cylinder and have someone crank it? So >they need to floor it too!? > >I measured 140-145 on all 4 before the incident and it was burning oil >like crazy ... so I must have done something wrong... or loss of >compression isn't why this was burning oil. The PCV was checked and >thought to be fine. I feel like I need to learn this lesson before I buy >the next car. > >-D > >Eric wrote: >> meld_b wrote: >> >>>Thanks guys - I keep reaching for chemical solutions... Engine restore >>>will help me with the scored pistons right? >> >> >> Most of the "mechanic in a can" solutions are wishful thinking. Although I'm >> not familiar with this specific product, I would be suspicious any product that >> claimed it could fix scored pistons and cylinders. >> >> >>>I wonder how to find someone with a REAL manual that will tell me the target >>>compression. The Chilton's that I've found in a local library don't seem to >>>have the numbers. >> >> >> 250 rpm and wide open throttle >> nominal 185 psi >> minimum 135 psi >> max variation 28 psi |
Re: 90 Civic valve issue...
It is a red flag to me if someone says thay have done the valves on a
car with high mileage. Engines tend to age gracefully if well cared for, and that means the top and bottom end age together. So, when you do the top end and restore full sealing power and compression to the engine, it can spell trouble for the older bottom end, leading to ring and cylinder failures. If thi car is in excellent shape otherwise, look around for a short block and put it in. Can't be more than $1200-$1300 total. On Mon, 15 Sep 2003 03:05:06 GMT, meld_b <meld_b@yahoo.com> wrote: >Thanks - I'm learning here... Is 250 RPM what the starter spins? What >does the wide open throttle do for you? I'm thinking these numbers are >what you use to compare to when you have a four plugs pulled and you put >the compression checker in each cylinder and have someone crank it? So >they need to floor it too!? > >I measured 140-145 on all 4 before the incident and it was burning oil >like crazy ... so I must have done something wrong... or loss of >compression isn't why this was burning oil. The PCV was checked and >thought to be fine. I feel like I need to learn this lesson before I buy >the next car. > >-D > >Eric wrote: >> meld_b wrote: >> >>>Thanks guys - I keep reaching for chemical solutions... Engine restore >>>will help me with the scored pistons right? >> >> >> Most of the "mechanic in a can" solutions are wishful thinking. Although I'm >> not familiar with this specific product, I would be suspicious any product that >> claimed it could fix scored pistons and cylinders. >> >> >>>I wonder how to find someone with a REAL manual that will tell me the target >>>compression. The Chilton's that I've found in a local library don't seem to >>>have the numbers. >> >> >> 250 rpm and wide open throttle >> nominal 185 psi >> minimum 135 psi >> max variation 28 psi |
Re: 90 Civic valve issue...
It is a red flag to me if someone says thay have done the valves on a
car with high mileage. Engines tend to age gracefully if well cared for, and that means the top and bottom end age together. So, when you do the top end and restore full sealing power and compression to the engine, it can spell trouble for the older bottom end, leading to ring and cylinder failures. If thi car is in excellent shape otherwise, look around for a short block and put it in. Can't be more than $1200-$1300 total. On Mon, 15 Sep 2003 03:05:06 GMT, meld_b <meld_b@yahoo.com> wrote: >Thanks - I'm learning here... Is 250 RPM what the starter spins? What >does the wide open throttle do for you? I'm thinking these numbers are >what you use to compare to when you have a four plugs pulled and you put >the compression checker in each cylinder and have someone crank it? So >they need to floor it too!? > >I measured 140-145 on all 4 before the incident and it was burning oil >like crazy ... so I must have done something wrong... or loss of >compression isn't why this was burning oil. The PCV was checked and >thought to be fine. I feel like I need to learn this lesson before I buy >the next car. > >-D > >Eric wrote: >> meld_b wrote: >> >>>Thanks guys - I keep reaching for chemical solutions... Engine restore >>>will help me with the scored pistons right? >> >> >> Most of the "mechanic in a can" solutions are wishful thinking. Although I'm >> not familiar with this specific product, I would be suspicious any product that >> claimed it could fix scored pistons and cylinders. >> >> >>>I wonder how to find someone with a REAL manual that will tell me the target >>>compression. The Chilton's that I've found in a local library don't seem to >>>have the numbers. >> >> >> 250 rpm and wide open throttle >> nominal 185 psi >> minimum 135 psi >> max variation 28 psi |
Re: 90 Civic valve issue...
meld_b wrote:
> > Thanks - I'm learning here... Is 250 RPM what the starter spins? I don't know since I've never clocked it but it probably is the cranking rpm (on a fully charged battery). > What does the wide open throttle do for you? Maximizes air flow, allows the engine to breathe, helps give you the highest possible compression numbers, etc... > I'm thinking these numbers are what you use to compare to when you have a > four plugs pulled and you put the compression checker in each cylinder and > have someone crank it? So they need to floor it too!? Yes, or use a brick or pedal depressor and a remote starter switch (and make sure the car's out of gear so you don't run yourself over). Eric |
Re: 90 Civic valve issue...
meld_b wrote:
> > Thanks - I'm learning here... Is 250 RPM what the starter spins? I don't know since I've never clocked it but it probably is the cranking rpm (on a fully charged battery). > What does the wide open throttle do for you? Maximizes air flow, allows the engine to breathe, helps give you the highest possible compression numbers, etc... > I'm thinking these numbers are what you use to compare to when you have a > four plugs pulled and you put the compression checker in each cylinder and > have someone crank it? So they need to floor it too!? Yes, or use a brick or pedal depressor and a remote starter switch (and make sure the car's out of gear so you don't run yourself over). Eric |
Re: 90 Civic valve issue...
meld_b wrote:
> > Thanks - I'm learning here... Is 250 RPM what the starter spins? I don't know since I've never clocked it but it probably is the cranking rpm (on a fully charged battery). > What does the wide open throttle do for you? Maximizes air flow, allows the engine to breathe, helps give you the highest possible compression numbers, etc... > I'm thinking these numbers are what you use to compare to when you have a > four plugs pulled and you put the compression checker in each cylinder and > have someone crank it? So they need to floor it too!? Yes, or use a brick or pedal depressor and a remote starter switch (and make sure the car's out of gear so you don't run yourself over). Eric |
Re: 90 Civic valve issue...
Thanks - I think running over yourself trying to fix a car worth about
$600 would have to put me in the running for a Darwin award!! 8-) No this car isn't in that great of shape, starting to rust on one side, axles about to go. Heater blower has brushes that are suboptimal. And most importantly, my wife doesn't want me fiddling with new engines, etc. So I'm probably off to something new, when I can get around to it... It is nice how it's giving me time by still moving me around. -D Eric wrote: > Yes, or use a brick or pedal depressor and a remote starter switch (and make > sure the car's out of gear so you don't run yourself over). > > Eric |
Re: 90 Civic valve issue...
Thanks - I think running over yourself trying to fix a car worth about
$600 would have to put me in the running for a Darwin award!! 8-) No this car isn't in that great of shape, starting to rust on one side, axles about to go. Heater blower has brushes that are suboptimal. And most importantly, my wife doesn't want me fiddling with new engines, etc. So I'm probably off to something new, when I can get around to it... It is nice how it's giving me time by still moving me around. -D Eric wrote: > Yes, or use a brick or pedal depressor and a remote starter switch (and make > sure the car's out of gear so you don't run yourself over). > > Eric |
Re: 90 Civic valve issue...
Thanks - I think running over yourself trying to fix a car worth about
$600 would have to put me in the running for a Darwin award!! 8-) No this car isn't in that great of shape, starting to rust on one side, axles about to go. Heater blower has brushes that are suboptimal. And most importantly, my wife doesn't want me fiddling with new engines, etc. So I'm probably off to something new, when I can get around to it... It is nice how it's giving me time by still moving me around. -D Eric wrote: > Yes, or use a brick or pedal depressor and a remote starter switch (and make > sure the car's out of gear so you don't run yourself over). > > Eric |
Re: 90 Civic valve issue...
hey , i just bought a civic, 1990 and it has a similar issue, but i don't think it is the actual rings, just the rubber rings at the top of the cylnder where the plug wires go in. they look old and worn and one of them is letting a little bit of oil into the cylnder. i was told by a good friend who is also a very good mechanic friend that if you just swap out those rubber rings, you should be fine. does anyone know how to do that or where i can get some information for the job? i'm going to try to do it myself. busyness. -- busynesswithme Message Origin: TRAVEL.com |
Re: 90 Civic valve issue...
busynesswithme wrote:
> hey , i just bought a civic, 1990 and it has a similar issue, but i > don't think it is the actual rings, just the rubber rings at the top of > the cylnder where the plug wires go in. they look old and worn and one > of them is letting a little bit of oil into the cylnder. i was told by > a good friend who is also a very good mechanic friend that if you just > swap out those rubber rings, you should be fine. does anyone know how > to do that or where i can get some information for the job? i'm going > to try to do it myself. > > busyness. > > How about your very good mechanic friend? He wouldn't give you any info? |
Re: 90 Civic valve issue...
busynesswithme <busynesswithme.3jpyc6@no-mx.forums.travel.com> wrote in
news:busynesswithme.3jpyc6@no-mx.forums.travel.com: > > hey , i just bought a civic, 1990 and it has a similar issue, but i > don't think it is the actual rings, just the rubber rings at the top of > the cylnder where the plug wires go in. they look old and worn and one > of them is letting a little bit of oil into the cylnder. i was told by > a good friend who is also a very good mechanic friend that if you just > swap out those rubber rings, you should be fine. does anyone know how > to do that or where i can get some information for the job? i'm going > to try to do it myself. > Here's one place: http://www.tegger.com/hondafaq/oilyplugs/index.html -- Tegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: 90 Civic valve issue...
problem is he's on the other side of the continent or else for sure i would. i'm going to poke around in there today, bought a haynes manual, etc. he did say that those rubber rings should be all that is needed to be replaced. doesn't sound like a big job, just wanting to find out if anyone knows a little more about it. -- busynesswithme Message Origin: TRAVEL.com |
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