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Rough idle, Weber or head gasket.

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Offline daddyizzle

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Rough idle, Weber or head gasket.
« on: July 30, 2006, 08:05:11 PM »
I am still in the process of figuring out if I have a gasket or vacuum leak around my carb. I went ahead and sprayed it. It smoothed a little but not sure if it sucked it in the aircleaner or not. But because I thought I saw some gas behind the carb when I was trying to start it saturday, I went ahead and pulled it and put gasket sealer on the gaskets below the carb and let them dry. I go to work tonight and I'll see how it does. I did find the clip to the float had come off and was setting on the bottom of the fuel bowl. Not sure if it matters or not but I put it back on.

What I did happen to notice was that my radiator level was low. I just replaced the radiator a couple weeks ago and just topped it off last weekend. I'm kind of wondering if maybe the coolant is getting into the engine where it doesn't belong and burning off with the heat or combustion cycle. I haven't noticed any white smoke and I see no leaks nor have I smelled coolant. Maybe a slight leak could cause the strange idle?

I sure don't want to pull a head for a head gasket if I don't have to. Any suggestions?
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86 Samurai Tin-Top stock with a Harley 44 sidedraft carb

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Offline john1974

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Re: Rough idle, Weber or head gasket.
« Reply #1 on: July 31, 2006, 09:30:13 AM »
Check your oil u will notice water in there if its the head gasket, I doubt it is with that much water missing you would see some smoke...


So after you found the float clip did u try to run it? that help any??
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Offline daddyizzle

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Re: Rough idle, Weber or head gasket.
« Reply #2 on: July 31, 2006, 05:23:41 PM »
Not sure if the float clip helped or not. I put it on in such a way that I don't think it will come off. It looks like it would have been easier to assemble the top on the carb by having it turned over so the gasket sits where it needs too and the float fits into its spot easier but it's sooo much easier to put the carb on with the top assembly off.

Now before I do anything stupid, It sure seems like I'm losing coolant. somewhere anyways. I have a couple plugs out on the firewall so I should be able to smell a leak. I don't see any leak but you would think that if it were even running out of the reserve reservor I would have a mess under the motor. A guy told me I could by some of those radiator flakes, like a stop leak if its that small of a leak. I would be afraid to put anything like that in. What do you think.

On the other hand, my valves probably need adjusted anyways. Maybe time to upgrade the head with some perfomance mod cam etc. Could a novice accomplish this?
If all criminals were behind bars, there would be no one left to patrol the streets.

86 Samurai Tin-Top stock with a Harley 44 sidedraft carb

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Offline john1974

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Re: Rough idle, Weber or head gasket.
« Reply #3 on: July 31, 2006, 05:40:07 PM »
Ya you could do it yourself, I took the head of my 1.3 sammy on the side of the road to remove a nut that went down the carb and sat on top a piston...

just take your time, make sure you tighten everything to specs.
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Offline daddyizzle

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Re: Rough idle, Weber or head gasket.
« Reply #4 on: July 31, 2006, 05:59:57 PM »
I checked the oil I see no white film at all. Just looks and tastes like oil.

As far as the head, perfomance wise, What could be done to it without breaking the bank?  If I remove the head, I end up redoing the timing belt and water pump? Much to that? What else would be good to do at this point? The engine has 123k on it.
If all criminals were behind bars, there would be no one left to patrol the streets.

86 Samurai Tin-Top stock with a Harley 44 sidedraft carb

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Offline Vagabond

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Re: Rough idle, Weber or head gasket.
« Reply #5 on: July 31, 2006, 06:09:10 PM »
I checked the oil I see no white film at all. Just looks and tastes like oil.
Taste?
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Offline daddyizzle

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Re: Rough idle, Weber or head gasket.
« Reply #6 on: July 31, 2006, 07:05:17 PM »
I figured if I couldn't see a white film, maybe I could taste the radiator fluid in the oil. I new it sounded funny when I wrote it.
If all criminals were behind bars, there would be no one left to patrol the streets.

86 Samurai Tin-Top stock with a Harley 44 sidedraft carb

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Offline ibhuktonfoniks

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Re: Rough idle, Weber or head gasket.
« Reply #7 on: July 31, 2006, 07:34:48 PM »
pull the valve cover and chek for a valve that has tightened up. exhaust valve on my no.1 cyl drove me crazy trying to smooth out idle. loosened er up smoothed right out. ;D

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Offline daddyizzle

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Re: Rough idle, Weber or head gasket.
« Reply #8 on: July 31, 2006, 08:06:08 PM »
 Thanks again. Not sure how to do that (loosen up that valve) Adjusting the valves would correct that? If so, could I do it myself without screwing it up? I also read about using a swift valve cover gasket instead of the felpro. If so where do you get the rubber swift gasket? Off to work. I'll check back tomorrow evening. Adam
If all criminals were behind bars, there would be no one left to patrol the streets.

86 Samurai Tin-Top stock with a Harley 44 sidedraft carb

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Offline Rhinoman

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Re: Rough idle, Weber or head gasket.
« Reply #9 on: August 01, 2006, 05:07:17 AM »
I also read about using a swift valve cover gasket instead of the felpro. If so where do you get the rubber swift gasket?

Later SJs sold over here have the rubber gasket, I don't believe that they are interchangable, I think you also need the rocker cover as well. The suppliers that I bought my head gasket kit from specifically tell you to check which gasket you need.
2000 Vitara 1.6, 3+3 Lift, 33"MTs, 5:83s, LWB brakes, Winch, Snorkel, Safari Rack
1986 SJ413K PickUp, 1.6L conversion.

OBD1 - Full diagnostics on a PC/Laptop: http://www.rhinopower.org

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Offline Rhinoman

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Re: Rough idle, Weber or head gasket.
« Reply #10 on: August 01, 2006, 11:00:39 AM »
http:://www.suzukiinfo.com is back up and running, they have a Weber manual on there. Download times seem very slow at present though.
2000 Vitara 1.6, 3+3 Lift, 33"MTs, 5:83s, LWB brakes, Winch, Snorkel, Safari Rack
1986 SJ413K PickUp, 1.6L conversion.

OBD1 - Full diagnostics on a PC/Laptop: http://www.rhinopower.org

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Offline Vagabond

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Re: Rough idle, Weber or head gasket.
« Reply #11 on: August 01, 2006, 11:19:27 AM »
Syntax error. Correction: http://www.suzukiinfo.com/
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