formulawon

I suppose the title is self explanatory. I'm looking for headers for my Lt1 formula. I'm looking at some BBK shortys that will accommodate the EGR but if I get longtubes instead, what do I have to do? Thanks everyone!

Camaro350Z28

iTrader: (6)

block off plate. thats it. if you dont want it to have a check engine light then u need to get a tune and have it tuned out. also when u get the tune its a good time to just have it tuned for all your bolt ons and anything you might have done to the car

riceburnerZ28

iTrader: (20)

If you buy long tubes without the emissions fittings then all you would need is the block off plates for the egr and metal tube behind the intake. Also you should have your computer tuned after deleting those things so the computer won't throw any trouble codes. You can find the block off plates on ebay or I believe one of the sponsors here.

02v8ta

iTrader: (8)

Really? I'm wondering the same just because no emission headers are cheaper. Aren't there like block off plate sets? I think i've seen them. What actual work do you have to do? Just install the plates? If so good freaking bye emissions.

02v8ta

iTrader: (8)

like these?

http://cgi.ebay.com/ebaymotors/93-97...#ht_500wt_1182

I can't figure out where the 3rd little plate would go?

Camaro350Z28

iTrader: (6)

ya like those. i believe that third plate is for the tube on the exhaust manifold side. you wouldnt need it cause ur getting longtubes

93M6Formula

Yeah the little one is for the passenger side manifold or headers with emissions.

Just get the non emissions LT's and you can remove all that tubing,the AIR pump, and EGR crap.

Badazz 97 TA

iTrader: (18)

If you dont have to worry about emission testing then just go with longtubes without emissions(race style.) Youll need the blockoff plates and two o2 extensions.

02v8ta

iTrader: (8)

Good freaking bye emissions. The only testing done here is the obd2 scan. No sniffer no visual so I should be good with a tune yes?

Camaro350Z28

iTrader: (6)

yessir. codes tuned out and you will be good to pass a obd2 scan

93M6Formula

Good point badazz, yes you will need O2 extensions also.

bizerk1

is there any dif in performance gains or driveability with the race ver over egr other than maybe the 5 pounds of egr stuff

02v8ta

iTrader: (8)

Another question. Is the erg the only thing you have to delete with long tubes with
No emissions?

Mohammed

Good thread I'm buying long headers for my vette.


Does anyone have a pic of the egr + air hoses that will be deleted ?

I want to get rid of them , I just changed the spark plugs and damn the egr tubes bogged me out.

Camaro350Z28

iTrader: (6)

a pic? you have a real grand sport? cause i dont believe they came with an egr system... lt4s had it deleted already..

and they are just on the back of the manifold... big circular ufo looking thing with a hose attached to it... then just to the side of it towards the passenger is a metal tube that goes from into to the exhaust manifold

93M6Formula

Not that i've ever seen but yes it's nice to get rid of some weight and the clutter of the AIR system.

93M6Formula

And the AIR system also cuz they race headers don't have ports for the AIR tubes to hook up to.

02v8ta

iTrader: (8)

I guess the AIR delete is my question now. How? Lol simple as the egr ?

93M6Formula

All you need to do is remove the AIR pump that's located on the drivers side front of the motor next to your water pump (or on the frame rail if your car is a 93). Then disconnect any wires from it. Then just remove any rubber hose or pipe that is connected to it and your stock manifolds.

Then you will have to get a tune to clear the code for the AIR pump.

Mohammed

Yea , it has lt4 hot cam and dana 44, what else ? lol it's a clone. a '94

lol @ ufo