Adjusted Valves
#1
Adjusted Valves
Took about 3 hours, wasn't that hard...
I bought the car with about 57k on it, it now has about 68k... 5 of the 8 Exhaust valves were WAY tight.. Like SET at .003 or .004. If I understand correctly, valves usually loosen up over time, not tighten-- so the last person who did a valve adjust didn't know what the hell they were doing, yeah?
How likely is it that I burnt an exhaust valve?
No smoke, good compression... Idle was getting progressively rougher though.
Haven't started it up yet tonight, will give idle / driving impressions tomorrow.
Thanks
I bought the car with about 57k on it, it now has about 68k... 5 of the 8 Exhaust valves were WAY tight.. Like SET at .003 or .004. If I understand correctly, valves usually loosen up over time, not tighten-- so the last person who did a valve adjust didn't know what the hell they were doing, yeah?
How likely is it that I burnt an exhaust valve?
No smoke, good compression... Idle was getting progressively rougher though.
Haven't started it up yet tonight, will give idle / driving impressions tomorrow.
Thanks
#3
Moderator
Originally Posted by 530s2k,Jan 7 2006, 06:50 AM
5 of the 8 Exhaust valves were WAY tight.. Like SET at .003 or .004.
-Previous guy screwed up the adjustment
-Be sure you are measuring in the correct spot, and the cams are set in the right place per cylinder.
I've done close to 200 s2ks, I think the tightest exhaust valve I ever found was .009
#4
Originally Posted by billman250,Jan 7 2006, 05:18 PM
The only way this could be possible:
-Previous guy screwed up the adjustment
-Be sure you are measuring in the correct spot, and the cams are set in the right place per cylinder.
I've done close to 200 s2ks, I think the tightest exhaust valve I ever found was .009
-Previous guy screwed up the adjustment
-Be sure you are measuring in the correct spot, and the cams are set in the right place per cylinder.
I've done close to 200 s2ks, I think the tightest exhaust valve I ever found was .009
I've adjusted valves before and defintely had the cams in the correct posistion, as well as measured in the right place... So I'm not sure what gives...
#6
Originally Posted by lamvu,Jan 8 2006, 11:09 AM
on the subject of valves, what did you distinguish what a slight drag was?
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#9
Moderator
correct...as the seats wear, the clearance becomes smaller, theoretically.
As for your typo, you can just click the edit button on your post, and go in and fix it up
As for your typo, you can just click the edit button on your post, and go in and fix it up
#10
Registered User
Originally Posted by billman250,Jan 7 2006, 08:18 PM
I've done close to 200 s2ks, I think the tightest exhaust valve I ever found was .009
I've only done about 10 or so, but I've also never seen valves adjusted too tight. More often than not, there are some exhaust valves adjusted too loose.
I know you said that you adjusted in the right place, but adjusting valves on the F20C is different than some other Hondas. Just to be sure - did you adjust between the valve stem and the adjustment stud, or between the cam lobe and the follower?