Valve noise similar to lash
#1
Honda-Tech Member
Thread Starter
Valve noise similar to lash
I Have a b16 head on a Gsr block, at idle its kinda noisy (seems to go away as soon as you start to rev). the block is freshly built and was super quiet with my old b16 head. I switched to the current head because it had supertech valve springs /w crower retainers. I have checked and rechecked valve lash, so my next guess was LMA's so i got the science of speed LMA and I have the same issue. is it possible the rocker arm assembly is just worn? or would the springs/valves possibly be the cause?
#3
Honda-Tech Member
Thread Starter
Re: Valve noise similar to lash
Its been awhile since ive done it but used this as reference
intake 0.006 to 0.007-inch
exhuast 0.007 to 0.008-inch
for the P2w I beleive this is the gap in the top piston ring which was done at the machine shop. He used the "turbo gap" which i know he said he had to file the ring not much tho a cfew thousands of an inch i beleive
intake 0.006 to 0.007-inch
exhuast 0.007 to 0.008-inch
for the P2w I beleive this is the gap in the top piston ring which was done at the machine shop. He used the "turbo gap" which i know he said he had to file the ring not much tho a cfew thousands of an inch i beleive
#5
Honda-Tech Member
Thread Starter
#6
I never narc'd on nobody!
iTrader: (1)
Re: Valve noise similar to lash
Forget about the rings. No one is asking about rings. I'm asking about P2W clearance.
You would use a Mic to measure the skirt of the pistons and a cylinder bore gauge to meausre the exact bore. Subtract the size of the pistons from the size of the bore and you get your pistons to wall clearance. You can find a Mic and bore gauge on ebay for pretty cheap.
#7
Honda-Tech Member
Thread Starter
Re: Valve noise similar to lash
Sorry but Im not 100% sure as I did not do the work myself machine shop did all the work. I know the pistons were 81.5 MM and the block was bored accordingly I told them to spec it specifically for Turbo application as I know some of the tolerances are different but unfortunately I dont have the specifics.
Trending Topics
#8
Honda-Tech Member
Re: Valve noise similar to lash
Try oem LMA's and oem springs and retainers. Iv never heard of those lma's your using.
I doubt its the valve train but its worth a try. Not sure about swaping the lma's with the head still on block but you can use a speacial tool to swap out the springs and retainers without pulling the head.
I doubt its the valve train but its worth a try. Not sure about swaping the lma's with the head still on block but you can use a speacial tool to swap out the springs and retainers without pulling the head.
#9
Honda-Tech Member
Thread Starter
Re: Valve noise similar to lash
Try oem LMA's and oem springs and retainers. Iv never heard of those lma's your using.
I doubt its the valve train but its worth a try. Not sure about swaping the lma's with the head still on block but you can use a speacial tool to swap out the springs and retainers without pulling the head.
I doubt its the valve train but its worth a try. Not sure about swaping the lma's with the head still on block but you can use a speacial tool to swap out the springs and retainers without pulling the head.
#10
Honda-Tech Member
Join Date: Oct 2004
Location: NYOB, where is mah gun, USA
Posts: 1,435
Likes: 0
Received 0 Likes
on
0 Posts
Re: Valve noise similar to lash
thanks for the input.....They are very similar to the skunk 2 LMA's, OEM had the same issue so im pretty sure putting them back wont change anything. changing LMAS with out removing the head from block is pretty straight forward. Im most likely gonna be swapping out the head completely in about a week for this reason and just as an upgrade in general. I may make it into a build thread pretty much gonna redo everything from the head up and install my kit
I just had my gsr block fully built by some shmucks (locally), it didn't last 3k miles and it spun a bearing. I swear to god the noise sounded like it was coming from the head and it would go away with a little bit of rev etc. (same exact scenario and symptoms you were describing). I thought it was the LMA's as well as i could not pin point wtf was going on. I replaced my old gsr LMAs with SOS LMAs (which are super nice btw) just to pull my oil drain and see how phucked everything was.
Before you start throwing money at your problem, i vote you drain your oil and see if you see anything that will make you cry. just my two cents bro!
#11
Honda-Tech Member
Join Date: Oct 2004
Location: NYOB, where is mah gun, USA
Posts: 1,435
Likes: 0
Received 0 Likes
on
0 Posts
Re: Valve noise similar to lash
Try oem LMA's and oem springs and retainers. Iv never heard of those lma's your using.
I doubt its the valve train but its worth a try. Not sure about swaping the lma's with the head still on block but you can use a speacial tool to swap out the springs and retainers without pulling the head.
I doubt its the valve train but its worth a try. Not sure about swaping the lma's with the head still on block but you can use a speacial tool to swap out the springs and retainers without pulling the head.
#12
Honda-Tech Member
Thread Starter
Re: Valve noise similar to lash
hey buddie i know this is a LONG SHOT, but CHECK your oil pan for armageddon (i.e. bearings).
I just had my gsr block fully built by some shmucks (locally), it didn't last 3k miles and it spun a bearing. I swear to god the noise sounded like it was coming from the head and it would go away with a little bit of rev etc. (same exact scenario and symptoms you were describing). I thought it was the LMA's as well as i could not pin point wtf was going on. I replaced my old gsr LMAs with SOS LMAs (which are super nice btw) just to pull my oil drain and see how phucked everything was.
Before you start throwing money at your problem, i vote you drain your oil and see if you see anything that will make you cry. just my two cents bro!
I just had my gsr block fully built by some shmucks (locally), it didn't last 3k miles and it spun a bearing. I swear to god the noise sounded like it was coming from the head and it would go away with a little bit of rev etc. (same exact scenario and symptoms you were describing). I thought it was the LMA's as well as i could not pin point wtf was going on. I replaced my old gsr LMAs with SOS LMAs (which are super nice btw) just to pull my oil drain and see how phucked everything was.
Before you start throwing money at your problem, i vote you drain your oil and see if you see anything that will make you cry. just my two cents bro!
#14
Honda-Tech Member
Thread Starter
#15
Honda-Tech Member
iTrader: (4)
Re: Valve noise similar to lash
Try oem LMA's and oem springs and retainers. Iv never heard of those lma's your using.
I doubt its the valve train but its worth a try. Not sure about swaping the lma's with the head still on block but you can use a speacial tool to swap out the springs and retainers without pulling the head.
I doubt its the valve train but its worth a try. Not sure about swaping the lma's with the head still on block but you can use a speacial tool to swap out the springs and retainers without pulling the head.
EDIT: https://www.scienceofspeed.com/index...s-engines.html
#16
Honda-Tech Member
Re: Valve noise similar to lash
Whats up brotha!! were they the Evo reccaro seats i had i can't remember lol?
IIRC, Science of Speed uses OEM Honda NSX, or H22 LMA's with washers.
EDIT: https://www.scienceofspeed.com/index...s-engines.html
EDIT: https://www.scienceofspeed.com/index...s-engines.html
any update op?
#17
Honda-Tech Member
Thread Starter
Re: Valve noise similar to lash
Nah Havent even started it up in a couple weeks it just sits in my driveway. This was just one of those things I could never figure out. I have a CRV for my daily. I did receive my new head in the mail today so hopefully I will get to installing some new parts sometime this month. I wanted to try my new head and see how well it runs with new head and cams before installing any turbo parts.( I have a closet full of after market stuff, turbo kit and extra goodies just waiting)
#19
Honda-Tech Member
Thread Starter
Thread
Thread Starter
Forum
Replies
Last Post
jdmh22eg2
Honda Civic / Del Sol (1992 - 2000)
8
11-04-2010 04:06 PM