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Unread 05-23-2008, 06:28 PM   #1
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Default g16 smoking

ok..i am new ..and i guess i was on someone else thread ...sorry ..ok . i have a 1997 g16 gas and it is smoking... i tryed to run it for a few hours wide open, it does not really smoke wide open, but if i pump the pedal, it smoke real good, anyone out there know what i should do??? is it my rings??? sound like head work??? i don`t want to rebuild the whole thing..the cart runs real good.... just smokes...:help :
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Unread 05-24-2008, 01:01 PM   #2
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Default Re: g16 smoking

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Originally Posted by emarch42 View Post
ok..i am new ..and i guess i was on someone else thread ...sorry ..ok . i have a 1997 g16 gas and it is smoking... i tryed to run it for a few hours wide open, it does not really smoke wide open, but if i pump the pedal, it smoke real good, anyone out there know what i should do??? is it my rings??? sound like head work??? i don`t want to rebuild the whole thing..the cart runs real good.... just smokes...:help :
Lots of variables here. First, is the oil level high ? Does the oil smell like gas ? Is there oil in the air box ? If this is the case, dirt got into the carb, stuck the float and the gas had no wher to go but into the oil. When the oil level raises it gets into the air box,the carb, the cylinder and eventually into the muffler. If this is the case, take the carb apart, clean it, clean the airbox, change the fuel filter,change the oil (1 qt only) and the spark plug (ngk-bpr2es) and stick the car in nuetral and run the car for 10 minutes at a meduim rpm, turn it off and let it cool down, run again ect. This will burn the oil out of the muffler eventualy. If all of this is not the case...Take a compression reading (at wide open throttle) you should read 160 min to 175 lbs. Low would mean bad rings or valve stem seals/valve seating problem. This will not tell you if your oil rings are shot. Reringing is not all that difficult, about all the special tools you'd need is a primary clutch puller, a hone and a torque wrench and of course the parts. Good luck and keep us posted. Later Dave
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Unread 05-24-2008, 09:38 PM   #3
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Default Re: g16 smoking

Dave, can a guy really expect to ring a worn engine without doing all the other stuff associated with a rebuild and have good results? I am asking for all of us who may want to attempt this? Thank you in advance.
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Unread 05-24-2008, 10:00 PM   #4
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Default Re: g16 smoking

I'll jump in. Sure rings and a valve job and should be OK. Thats one tough motor.
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Unread 05-25-2008, 11:28 AM   #5
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Default Re: g16 smoking

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Dave, can a guy really expect to ring a worn engine without doing all the other stuff associated with a rebuild and have good results? I am asking for all of us who may want to attempt this? Thank you in advance.
Yes , any one can with good results. The only problem would be if the cylinder was damaged (deep scratchs or worn so far that the rings would not have the end gap minimum tolerances) the off to a machine shop for over boring. Now I've done this for years, but just friday (my mechanic and I) pulled a G16 engine, disassembled, inspected,honed,reringed,valve job,reassembled and reinstalled the engine in just over an hour. It took 20 minutes to burn the oil out of the muffler ! Anyone interested in rebuilding can do it. I agree with Tom.....They are tough engines. Later Dave
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Unread 05-25-2008, 11:51 AM   #6
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Default Re: g16 smoking

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Originally Posted by smallblock450sl View Post
Yes , any one can with good results. The only problem would be if the cylinder was damaged (deep scratchs or worn so far that the rings would not have the end gap minimum tolerances) the off to a machine shop for over boring. Now I've done this for years, but just friday (my mechanic and I) pulled a G16 engine, disassembled, inspected,honed,reringed,valve job,reassembled and reinstalled the engine in just over an hour. It took 20 minutes to burn the oil out of the muffler ! Anyone interested in rebuilding can do it. I agree with Tom.....They are tough engines. Later Dave
I would like to attempt this on a fe290 that runs and smokes. How can the I tell if the cylinder is too worn for standard rings or would you say use "this size over" ring set if it smoked. Or should I depend on a machine shop to do the honing/reboring and have them tell me? ( 100 Qs ) What is involved in a simple valve job? New seats, guides, and valves?
I would really like to do this! Maybe we should start another thread as I am hyjacking this one. Thanks for any help, Dave.
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Unread 05-25-2008, 01:39 PM   #7
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Default Re: g16 smoking

Quote:
Originally Posted by scottyb View Post
I would like to attempt this on a fe290 that runs and smokes. How can the I tell if the cylinder is too worn for standard rings or would you say use "this size over" ring set if it smoked. Or should I depend on a machine shop to do the honing/reboring and have them tell me? ( 100 Qs ) What is involved in a simple valve job? New seats, guides, and valves?
I would really like to do this! Maybe we should start another thread as I am hyjacking this one. Thanks for any help, Dave.
PM sent. Later Dave
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Unread 05-27-2008, 04:51 PM   #8
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Default Re: g16 smoking

hi, dave thanks for responding... ok... all that looks good..except i have ran it for hours..and still smoking... but wait..this is intresthing... if i put it to the floor..and yes the govenor holds it back... it dosent really smoke... but if i just sit there and pump the pedal back and forth..it smokes ...smells real bad...burt oil....now i did have all those problems you said... to much oil..gas in the oil...i cleaned carb...drained oild twice..it really runs great...except it smokes...can i di the head first..and see?? or do you think it is the rings????
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Unread 05-27-2008, 04:53 PM   #9
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Default Re: g16 smoking

hey don`t worry, you are more than welcome to stay on...we sound like we are in the same boat...
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Unread 05-27-2008, 04:54 PM   #10
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Default Re: g16 smoking

one more question...you say take a compression test at wide open??? i just put the tester on and crank it right????
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