B18c1 valvetrain upgrade
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Honda-Tech Member
Joined: Nov 2009
Posts: 13
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From: Bay Area
B18c1 valvetrain upgrade
Hey everyone noob question but never really messsd with a head before. I have a head I’m pulling off to replace a head gasket, previous owner did a bad job and leaks on a leak down test. I know about having the head checked for warrpage. I’m going to replace the valves,springs,retainers,lma’s, stem seals and throwing a S2 Tunner Stage 1 cams. The head dosent have any issues no clicking and recently did a valve job,runs quiet. Would I also need to have a valve job on the seats? And what about valve guides?
Honda-Tech Member
Joined: Oct 2016
Posts: 24
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From: Memphis Tenn
Re: B18c1 valvetrain upgrade
Take the vales out clean and inspect. Carb cleaner with carbon remover works best. Look for pitting in the radius with flashlight. Hand lapping can be done to freshen up the valve seal and show seat health.
On the guides you need to remove the springs. Then use an indicator to check radial play. Also check the stem diameter. Spec is in the service manual. Cheers
On the guides you need to remove the springs. Then use an indicator to check radial play. Also check the stem diameter. Spec is in the service manual. Cheers
Thread Starter
Honda-Tech Member
Joined: Nov 2009
Posts: 13
Likes: 0
From: Bay Area
Re: B18c1 valvetrain upgrade
Take the vales out clean and inspect. Carb cleaner with carbon remover works best. Look for pitting in the radius with flashlight. Hand lapping can be done to freshen up the valve seal and show seat health.
On the guides you need to remove the springs. Then use an indicator to check radial play. Also check the stem diameter. Spec is in the service manual. Cheers
On the guides you need to remove the springs. Then use an indicator to check radial play. Also check the stem diameter. Spec is in the service manual. Cheers
thanks man! Will check those areas.
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