Posted by Craig Selvey (IP: 209.212.192.49) on July 02, 1999 at 16:12:19:
In Reply to: Compression posted by Steve-S on July 02, 1999 at 15:34:34:
By design, 6 cyl engines do not run that smooth to begin with. A well tuned 6 cyl engine will still wobble and shake. The best thing is to try to adjust the fuel/air mixture and the idle to where it runs the "roughest"...but it will still run a little rough.
This may not be your problem, but I know that this bugs the heck out of me on my 6 -banger
Craig "Why can't it run smooth?" Selvey
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: After reading up a bit on the compression thingy I have a few questions. First of all the book lists 8.7 to 1 as the proper compression ratio for my motor. My guage reads in lbs/psi. What's the other 1/2 of the ratio? I can do the math but only have 1/2 the equation. Book also says to block the throttle wide open. When I checked mine I had all the plugs out. Should I only take one plug out at a time so the others can fire? Book says engine doesn't need to be running. I'm a bit confused here. With the head gasket problem that I'm having I'm getting, in order from Cyl 1 to Cyl 6, 140 - 155 - 150 - 150 - 150 - 150. #3 is just a hair over and 4 thru 6 are just a hair under.
: It likes to hesitate from a standing start after it's warmed up, unless I give it gas real slow, and doesn't like to idle when warm. Could all this be caused by the head gasket? Also the oil leaking out thru the spark plug threads.
: 1971 I6/200, No AC, No Power anything.
: Steve-S