GSR Head Issues, Bent valves?
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Joined: Jun 2006
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From: Miami, FL
GSR Head Issues, Bent valves?
I just bought a shitty ls/vtec setup from a friend. Right down to it, theres a "knock" in the head on the #2 piston. When I started the car up, it seriously bogs down, almost to shutting off. Then after 1-2 minutes it starts to idle fine. Compression test was fine, timing is perfect. We just got done basically changing half the outside of the engine for maintence. I took the vc off, and the cams out, and everything still looks fine and in check. Should I take the head completely off next to see if I have a bent valve? Theres also some oil smoke coming out of the exhaust. From all the symptoms ive seen, friends and I agree it could be a bent valve. Also the knock always comes when the engine is reving down, it almost sounds like a bolt jumping around in a metal box. Lol to that, but everything weve down is down to the book, I just cant find the problem.
[b]Specs[b]
Engine:
B18b bottom end bored 81.5
Pr3 pistons (11.7:1)
Ls rods shot peened
B18c gsr obd1 head
AEM adjustable cam gears
skunk2 Intake manifold
Cliffs: My gsr head is making a loud knock in the #2 piston, bogs down on startup, smoke from exhaust, knocks comes when reving down, all tests look fine, head from top looks ok, need help
Modified by shiftjdm at 5:46 PM 4/23/2008
[b]Specs[b]
Engine:
B18b bottom end bored 81.5
Pr3 pistons (11.7:1)
Ls rods shot peened
B18c gsr obd1 head
AEM adjustable cam gears
skunk2 Intake manifold
Cliffs: My gsr head is making a loud knock in the #2 piston, bogs down on startup, smoke from exhaust, knocks comes when reving down, all tests look fine, head from top looks ok, need help
Modified by shiftjdm at 5:46 PM 4/23/2008
Honda-Tech Member
Joined: Mar 2008
Posts: 2,156
Likes: 0
Re: GSR Head Issues, Bent valves? (shiftjdm)
i would take your valve cover off and run a magnet through there and make sure there is no pieces of metal or anything inside the head. either that or you have one loud injector pulse
Re: GSR Head Issues, Bent valves? (vtecb18c)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by vtecb18c »</TD></TR><TR><TD CLASS="quote">i would take your valve cover off and run a magnet through there and make sure there is no pieces of metal or anything inside the head. either that or you have one loud injector pulse</TD></TR></TABLE>
knock could be from the block due to spooled rod bearing..if its was from the head then it would be ticking...maybe needs a valve adjustment
knock could be from the block due to spooled rod bearing..if its was from the head then it would be ticking...maybe needs a valve adjustment
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