BAC valve screw....
Thread Starter
Joined: Jul 2003
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From: Nashville, TN
BAC valve screw....
the Idle speed screw on my BAC is missing... but i don't have a turbo... is it still supposed to be there?? having idle problems also.... have vaccum hose disconnected don't know where it goes, it's coming from the front side of the intake(towards belts).... good description eh?? if anyone could show me a diagrom of the vacuum hoses that would help....
HAILERS
Joined: May 2001
Posts: 20,563
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From: FORT WORTH, TEXAS,USA
Not all bac had screws. See if its a dead end hole. Most likely it is.
There are three nipples on the front of the dynamic chamber. Two small, one large. Is it one of these metal nipples that has no hose or is it rubber vacuum line that is just laying about?
There are three nipples on the front of the dynamic chamber. Two small, one large. Is it one of these metal nipples that has no hose or is it rubber vacuum line that is just laying about?
Thread Starter
Joined: Jul 2003
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From: Nashville, TN
this pic shows an arrow to the screw that's not there on mine... it's just open....
http://www.1300cc.com/howto/how2/bac/bac1.jpg
http://www.1300cc.com/howto/how2/bac/bac1.jpg
Thread Starter
Joined: Jul 2003
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From: Nashville, TN
it is a turbo pic... i was just showing that what the arrow is pointing too isn't there... that black screw... i was wondering if it was supposed to be there on a n/a....there is just a vaccum hose laying around.... one end is open the other looks like it is coming from right under where the BAC connector is....
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HAILERS
Joined: May 2001
Posts: 20,563
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From: FORT WORTH, TEXAS,USA
I've owned three n/a 86-88 and neither had an air adjustment screw. I've had two turboII engines and both had air adjustment screws.
On my na's the idle was set using the air screw on the top of the dynamic chamber.
On the turboii's the idle is set using the adjustment screw on/in the bac, as shown in the picture.
But that's not to say all na's did not have an adjustment screw. Only my observations with the material I've been working with.
On my na's the idle was set using the air screw on the top of the dynamic chamber.
On the turboii's the idle is set using the adjustment screw on/in the bac, as shown in the picture.
But that's not to say all na's did not have an adjustment screw. Only my observations with the material I've been working with.
Thread Starter
Joined: Jul 2003
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From: Nashville, TN
what i was wondering is if it there was suppoesed to be AYNTHING in there especially on a n/a.... also can anyone show me or tell me where to find a vaccum hose diagram??
I R SAD PANDA W/O BAW
Joined: Nov 2002
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From: bay area
HAILERS
Joined: May 2001
Posts: 20,563
Likes: 27
From: FORT WORTH, TEXAS,USA
It's a blank hole on those cars that did not have a screw. IF the screw fell out of one that was supposed to have a screw, then you should see a small hole and also the threads for the missing screw.
Don't know nothin about vacuum hoses and stuff.
Don't know nothin about vacuum hoses and stuff.
SOLD THE RX-7!
Joined: Mar 2001
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From: Vancouver, BC, Canada
Originally posted by SPDRACER
My TII doesn't have the BAC screw either...
Is it cos it's a J-spec engine ?
My TII doesn't have the BAC screw either...
Is it cos it's a J-spec engine ?
