98 Blackwing Question
Thread Starter
Instructor
Joined: Nov 2007
Posts: 120
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From: Jackson MI
98 Blackwing Question
Got done with my Blackwing install yesterday and went to put the pcv hose back on, it definately doesnt fit right! Then i read where it doesnt need to be connected on the 98? Is that right? I put the plug over it and the car seems to be running fine. Much better actually!I have no codes after 50 miles, any input greatly appreciated
Safety Car
Joined: Aug 2000
Posts: 4,933
Likes: 30
From: San Rafael CA
Are you talking about the small hose that connects to the stock air cleaner assembly ???
That is a feed hose for the AIR pump, which comes on at cold engine starts. DO NOT PLUG THE HOSE.
You could, I suppose, let the AIR pump just pull in unfiltered air, as it only runs for a few minutes (at most) on a cold start. Otherwise you should figure out a way for the hose to fit so it can pull filtered air for the pump.
That is a feed hose for the AIR pump, which comes on at cold engine starts. DO NOT PLUG THE HOSE.
You could, I suppose, let the AIR pump just pull in unfiltered air, as it only runs for a few minutes (at most) on a cold start. Otherwise you should figure out a way for the hose to fit so it can pull filtered air for the pump.
Thread Starter
Instructor
Joined: Nov 2007
Posts: 120
Likes: 0
From: Jackson MI
No didnt plug the hose, just tucked it back out of the way, im going to put it back now, i wasnt sure what that thing was for. I am sure the blackwing instructions told me i could plug the blackwing, with the plug provided???
Race Director
Joined: Jan 2006
Posts: 10,554
Likes: 33
From: Not on either liberal coast.
The 3/4" (?) ID hose is to supply filtered air for the air pump upon startup. You'll probably get some codes eventually if you decide to block it off.
There are ways to make the hose fit better...
Cut the hose back until the angle going into the flat grommet allows for better seating. The tension of the curved molded hose is what causes the poor fit into the flat grommet.
Or, find the 180 degree barbed connector in the length of hose, disconnect it and effectively shorten the hose, eliminating the curved portion.
Or, change the 90 degree barbed elbow at the grommet to a 180 degree barbed elbow. You can find them at any hardware store in the plumbing department. They come in white plastic. You might also find a 180 degree barbed connector in black plastic at some automotive supply vendors. They're used to repair heater hoses.
Or, go to your favorite automotive supply vendor and buy an angled valve cover grommet from an LT1/LT4 sbc. The slight angle will allow for better seating. This was how I did it when I initially installed a "Blackwing".
Or, buy an import valve cover breather (in colored media) in the import "performance parts" section of AUTO ZONE, CHECKER AUTO, etc. Insert the breather into the end of the hose and secure it out of the way.
There are ways to make the hose fit better...
Cut the hose back until the angle going into the flat grommet allows for better seating. The tension of the curved molded hose is what causes the poor fit into the flat grommet.
Or, find the 180 degree barbed connector in the length of hose, disconnect it and effectively shorten the hose, eliminating the curved portion.
Or, change the 90 degree barbed elbow at the grommet to a 180 degree barbed elbow. You can find them at any hardware store in the plumbing department. They come in white plastic. You might also find a 180 degree barbed connector in black plastic at some automotive supply vendors. They're used to repair heater hoses.
Or, go to your favorite automotive supply vendor and buy an angled valve cover grommet from an LT1/LT4 sbc. The slight angle will allow for better seating. This was how I did it when I initially installed a "Blackwing".
Or, buy an import valve cover breather (in colored media) in the import "performance parts" section of AUTO ZONE, CHECKER AUTO, etc. Insert the breather into the end of the hose and secure it out of the way.
Last edited by hotwheels57; Apr 21, 2008 at 02:02 PM.
