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Old 11-03-2003, 04:50 PM   #1
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Default Signs of bent valves??

can u guys tell me what kind of signs i should look for if i bent my valves?? i think i bent a bunch of them after shifting into 2nd instead of 4th at 95mph..
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Old 11-03-2003, 05:00 PM   #2
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Default Re: Signs of bent valves?? (h22poweredgsr)


Quote:
Originally Posted by h22poweredgsr
can u guys tell me what kind of signs i should look for if i bent my valves?? i think i bent a bunch of them after shifting into 2nd instead of 4th at 95mph..
i can't really help but thats some high *** ****
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Old 11-03-2003, 05:08 PM   #3
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Default

what did it rev up 2? at that speed must of went up real high
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Old 11-03-2003, 05:29 PM   #4
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i have no idea, i dont really remember, it was so quick and i was shocked that i had grinded and didnt noe wat happened. im sure i was in pretty high rpms
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Old 11-03-2003, 05:37 PM   #5
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Try taking off the intake tube and listening for pssst sounds. I know that on v8s you can hear bent valves through the carb. Or you can rip off the head.
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Old 11-03-2003, 05:43 PM   #6
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Default Re: Signs of bent valves?? (h22poweredgsr)

rough idle. bad compression.
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Old 11-03-2003, 05:57 PM   #7
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Default Re: (FURACERMAN)

do a compression test
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Old 11-03-2003, 05:58 PM   #8
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yes i hear hissing sounds, also i had a compression test and it was 70, 170, 125, and 95 from left to right and idle is bad. i guess i bent sum valves.. what else might of happen due to overreving?? coulpe of messed up pistons?? any idea how much this is gonna run me?
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Old 11-03-2003, 06:18 PM   #9
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Default Re: Signs of bent valves?? (h22poweredgsr)

Quote:
Originally Posted by h22poweredgsr
can u guys tell me what kind of signs i should look for if i bent my valves?? i think i bent a bunch of them after shifting into 2nd instead of 4th at 95mph..
Hmm okay Click the image to open in full size.
But a few of us have done this. I actually feel that its a design problem.
Honda could easily have installed a lock out like they have in first gear.
Anyway.. Symptoms would be running on like two cylanders, car stalling,
smoking, generally running like ashit.
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Old 11-03-2003, 06:21 PM   #10
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Default Re: Signs of bent valves?? (8400RPMS)

replace those valves before one of them breaks and creates a nasty mess. if they are bent enough there will be stress fractures which will not like high rpms, detonation or high cylinder pressures at all.
ive bent 16 ferrea valves before so i fel your pain. shifting at 9500 into 2nd gear from 3rd gear does wonders. my car died and when i took the head off some of the valves were snapped in half.
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Old 11-03-2003, 06:38 PM   #11
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when it died, could u star tit up again and have a good idle?? my idle is all funny and if i rev it and let off, it dies. right after this happened, my car wouldnt idle at all, then i clean up a couple spark plugs and it starts up hard but would idle. im not driving it right now til i get the head pull and see whats wrong. did u break anything else besides the valveS? any tips on pulling the head? i wanna do it myself w/ a couple of friends. dont wanna pay sumbody to do it, already tight on money. Click the image to open in full size.
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Old 11-03-2003, 06:40 PM   #12
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Default Re: (h22poweredgsr)

Quote:
Originally Posted by h22poweredgsr
yes i hear hissing sounds, also i had a compression test and it was 70, 170, 125, and 95 from left to right and idle is bad. i guess i bent sum valves.. what else might of happen due to overreving?? coulpe of messed up pistons?? any idea how much this is gonna run me?
Do a leak down test also if you can. So far I would bet you bent some valves by looking at your compression numbers and what mentioned earlier. If your lucky you just have bent valves, if your not your pistons will be damaged also. Dont feel to bad I did the same thing last week, I wasnt so lucky. Bent all of the exhaust valves and damaged all 4 pistons. At least I have something to do this winter Click the image to open in full size.
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Old 11-03-2003, 06:43 PM   #13
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Default Re: (h22poweredgsr)

Quote:
Originally Posted by h22poweredgsr
yes i hear hissing sounds, also i had a compression test and it was 70, 170, 125, and 95 from left to right and idle is bad. i guess i bent sum valves..
Yeap. Looks like you bent some. That sucks.
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Old 11-03-2003, 07:28 PM   #14
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Default Re: (Skunk2nR)

Bent valves (ticking noise from engine, occassional stall, rough idle...all symptoms.)

Go to c-speedracing.com for any instructions you need on the removal of the head, adjustment of the valves or pretty much anything else needed.

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Old 11-03-2003, 07:41 PM   #15
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Default Re: Signs of bent valves?? (h22poweredgsr)

If you want to get specific whether or not its intake or exhaust valve are bent...when you do the compression test put your hand over the throttle body if you feel air coming out its an intake valve same goes for the exhuast out the tail pipe....good luck and lets hope its not coming from both sides Click the image to open in full size.
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Old 11-03-2003, 09:08 PM   #16
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Default Re: (h22poweredgsr)

Quote:
Originally Posted by h22poweredgsr
when it died, could u star tit up again and have a good idle?? my idle is all funny and if i rev it and let off, it dies. right after this happened, my car wouldnt idle at all, then i clean up a couple spark plugs and it starts up hard but would idle. im not driving it right now til i get the head pull and see whats wrong. did u break anything else besides the valveS? any tips on pulling the head? i wanna do it myself w/ a couple of friends. dont wanna pay sumbody to do it, already tight on money. Click the image to open in full size.
no, i couldnt start it up, i had broken valves in my head. my pistons has some scratches that i dremeled smooth. thats it.

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Old 11-04-2003, 05:16 AM   #17
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yea, air is coming out both ways, feels like im misfiring. an di hear i hissing noise from the intake manifold..
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Old 11-04-2003, 05:43 AM   #18
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Default Re: (h22poweredgsr)

DONT DRIVE IT UNLESS U HAVE TO
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Old 11-04-2003, 05:51 PM   #19
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where on c-speedracing do i go to find the removal of the head??its not in the "how to" section..
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Old 11-04-2003, 06:00 PM   #20
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Default Re: (h22poweredgsr)

i will tell you how to rmove the head:

set motor at tdc (not required)
take intake off
take exhaust manifold off
take off all sensors from head, intakake manifold, distibutor
take off all coolant hoses
take off valve cover
take off cam caps or whatever is on them based on your head
take out cams
take timing belt off cams.
undo head studs in right order. use a LONG bar. (find a diagram somewhere)
take head off

takes no more than 90 minutes with two people who want to get it done

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Old 11-04-2003, 06:20 PM   #21
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jeez, sounds good. what a tq specs on an h22?
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Old 11-04-2003, 07:34 PM   #22
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Default Re: (h22poweredgsr)

get a manual
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Old 11-04-2003, 07:48 PM   #23
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Default Re: (94goldjungsr)

Quote:
Originally Posted by 94goldjungsr
i will tell you how to rmove the head:

set motor at tdc (not required)
take intake off
take exhaust manifold off
take off all sensors from head, intakake manifold, distibutor
take off all coolant hoses
take off valve cover
take off cam caps or whatever is on them based on your head
take out cams
take timing belt off cams.
undo head studs in right order. use a LONG bar. (find a diagram somewhere)
take head off

takes no more than 90 minutes with two people who want to get it done
great information Click the image to open in full size.

definately hook yourself up with a manuel. you'll need it down the road aswell.
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Old 11-05-2003, 04:15 PM   #24
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how much is labor on install a valvetrain nowadays? or should i do it myself?
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Old 11-05-2003, 06:59 PM   #25
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Default Re: (h22poweredgsr)

take the head off first. its a pain to do but worth the savings in $
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