1981 header question
Thread Starter
Racer
Joined: Oct 2010
Posts: 323
Likes: 9
1981 header question
I have an 81 that im thinking about putting an exhaust system on from corvette central. Im trying to decide between part #323130 and the same system only its more symmetrical.
My question would be that by going to these headers it would make the smog pump inoperable, wouldn't it? If thats the case will that mess up my computer?
I guess I should have said my car is 100% stock at this point.
My question would be that by going to these headers it would make the smog pump inoperable, wouldn't it? If thats the case will that mess up my computer?
I guess I should have said my car is 100% stock at this point.
Le Mans Master
Joined: Jan 2006
Posts: 9,192
Likes: 27
From: Boca Raton Florida
It will require deleting the AIR pump. If you have a bung welded in you can still mount the O2 sensor and the CCC system will still work fine. The bung should right below the flange on the drivers side
Racer
Joined: Nov 2011
Posts: 319
Likes: 12
From: South Chase WI
I got the CC system and it has the bung for the O2 sensor.
Computer has no clue of the AIR pump is there or not. I took mine off and plugged the holes in the headers / manifolds. Runs fine, no CEL. Also put a torque converter lockup bypass switch for in town driving and my mileage has gone UP.
Computer has no clue of the AIR pump is there or not. I took mine off and plugged the holes in the headers / manifolds. Runs fine, no CEL. Also put a torque converter lockup bypass switch for in town driving and my mileage has gone UP.
Thread Starter
Racer
Joined: Oct 2010
Posts: 323
Likes: 9
I got the CC system and it has the bung for the O2 sensor.
Computer has no clue of the AIR pump is there or not. I took mine off and plugged the holes in the headers / manifolds. Runs fine, no CEL. Also put a torque converter lockup bypass switch for in town driving and my mileage has gone UP.
Computer has no clue of the AIR pump is there or not. I took mine off and plugged the holes in the headers / manifolds. Runs fine, no CEL. Also put a torque converter lockup bypass switch for in town driving and my mileage has gone UP.
Pro
Joined: Nov 2012
Posts: 672
Likes: 0
From: Chesapeake Virginia
you can always get the headers and have the AIR injection tubes welded into them, then you can run the air pump and keep the car running per the factory.
I also got the corvette central dual exhaust system for my car, fits good with only minor tweaking, I put long tube headers on the car and the system was built for stock manifolds so I had to cut the pipes off enough to allow for the headers, not a tough job.
I also got the corvette central dual exhaust system for my car, fits good with only minor tweaking, I put long tube headers on the car and the system was built for stock manifolds so I had to cut the pipes off enough to allow for the headers, not a tough job.
Racer
Joined: Nov 2011
Posts: 319
Likes: 12
From: South Chase WI
Performance wise I could not tell. Short of going to a dyno or track and recording baseline numbers and then going back after a change is made there is no real way to tell for sure.
Most guys put stuff on / change things and swear it runs better / faster but really have no facts on it.
Thread Starter
Racer
Joined: Oct 2010
Posts: 323
Likes: 9
I thought the quality was great. It bolted right up with no hassles at all. Sounds nice, it is quiet with the Magnaflows, just a nice low mellow sound, not obnoxious at all.
Performance wise I could not tell. Short of going to a dyno or track and recording baseline numbers and then going back after a change is made there is no real way to tell for sure.
Most guys put stuff on / change things and swear it runs better / faster but really have no facts on it.
Performance wise I could not tell. Short of going to a dyno or track and recording baseline numbers and then going back after a change is made there is no real way to tell for sure.
Most guys put stuff on / change things and swear it runs better / faster but really have no facts on it.
Do you recommend them versus the long tube?
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