wierd noises?
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DIRTY RX
Joined: Apr 2002
Posts: 395
Likes: 16
From: Omaha, NE
wierd noises?
I was driving last night and I heard a new noise coming from the intake. It sounds like a fluttering when I lightly tap the gas. Almost sounds like a stuck lifter does on a boinger. I've got a Mikuni and I just changed some vacuum lines but I've rechecked them and they are all hooked up right. I haven't noticed any loss of power but it's also wet on the groung so I'm not pushing it too hard. Any suggestions would be appreciated.
Thread Starter
DIRTY RX
Joined: Apr 2002
Posts: 395
Likes: 16
From: Omaha, NE
no air pump, RB header and exhaust. After driving it more today, I noticed the noise more when I mash the throttle instead of slowly accelerating. I also checked and found no exhaust leaks. I hear the noise coming from the carb.
Thread Starter
DIRTY RX
Joined: Apr 2002
Posts: 395
Likes: 16
From: Omaha, NE
The timing isn't any different than it was 2 days ago. As for smooth it seems to have no power below 3000 rpm, but i've been noticing that since it got cold. I attribute that to running rich and bogging out in the cold.
Open up! Search Warrant!
Joined: May 2002
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From: Kicking down doors in a neighborhood near you
Rotor seal chatter?
Its so hard to diagnose sounds without hearing the sound and hearing where it is coming from. Does it sound like ball bearings in a blender, or a dry fart?
Its so hard to diagnose sounds without hearing the sound and hearing where it is coming from. Does it sound like ball bearings in a blender, or a dry fart?
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Originally posted by someone82
notice he said he has a mikuni.. no shudder valve on that puppy. check your ignition timing. does the motor studder or is it smooth?
matt
notice he said he has a mikuni.. no shudder valve on that puppy. check your ignition timing. does the motor studder or is it smooth?
matt
Thread Starter
DIRTY RX
Joined: Apr 2002
Posts: 395
Likes: 16
From: Omaha, NE
I would consider it more of a dry fart sound. I'm hearing the sound coming from the carb. I've heard an FD with a blown apex seal and it sound very different and the loss of power was very noticable. I haven't noticed it too much because I'm not out there racing it on the wet streets. When it idles or I press the accelerator slowly I don't notice a thing. If I press the pedal hard I can hear it fluttering. I'm going to do a compression check to see if there is any variance.
Joined: Oct 2001
Posts: 6,444
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From: Fort Branch, Indiana
Originally posted by mazdaspeedrex
I would consider it more of a dry fart sound. I'm hearing the sound coming from the carb. I've heard an FD with a blown apex seal and it sound very different and the loss of power was very noticable. I haven't noticed it too much because I'm not out there racing it on the wet streets. When it idles or I press the accelerator slowly I don't notice a thing. If I press the pedal hard I can hear it fluttering. I'm going to do a compression check to see if there is any variance.
I would consider it more of a dry fart sound. I'm hearing the sound coming from the carb. I've heard an FD with a blown apex seal and it sound very different and the loss of power was very noticable. I haven't noticed it too much because I'm not out there racing it on the wet streets. When it idles or I press the accelerator slowly I don't notice a thing. If I press the pedal hard I can hear it fluttering. I'm going to do a compression check to see if there is any variance.
Thread Starter
DIRTY RX
Joined: Apr 2002
Posts: 395
Likes: 16
From: Omaha, NE
I took the filter off yesterday and didn't see anything in the venturis but it's not at the best angle to see all the way in. When I checked the compression I didn't see any big difference between chambers and rotors.
Last edited by mazdaspeedrex; Dec 18, 2002 at 10:08 PM.
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