Hello, I took a picture and I wanted to make sure I am doing this right. Here are the pictures:
http://homepage.mac.com/liquidblujay/PhotoAlbum.html

I just bought the 5/8" hose with the 90 degree elbow. So if I understand this correctly, I will be taking off the blue highlighted hose and the short red hose and connect the 2 openings with the new hose I bought so that it will look like the last picture with the yellow hose?

If so, I'll try to return it for a U shaped hose (5/8" is the correct size, right?).

Also, will this mod affect my heater and defroster? One last thing, will it mess up the car's computer in any way? My dad seems to think that there might be a temperature control device in the part I circled in green, so that if the engine is overheating, it will automatically shut off before the engine blows, is this correct? Will the engine still be able to regulate temperatures and shut off when needed? Thank you very much for your help.

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My 1991 Firebird <-- new picture section

 

I think the the coolant hose is used to prevent your throtle body from freezing up in the winter. So you should be ok with the comp. crap.

 

Thanks for responding. Anyone else have some more information? Am I at least doing it right from what I have shown in the pictures?

 

hmm.. unless i did it wrong, thats the wrong hose... unless its different on the 3.1.. but look under the throttle body... there should be 2 hoses coming from the block to the tb.. connect the 2 from the block together, then plug the 2 in the bottom of the TB.

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~~Looking for car!~~
In Memory of #3 Dale Earnhardt

 

actually i just looked again, those hoses are heater hoses.. dont try and connect them.

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~~Looking for car!~~
In Memory of #3 Dale Earnhardt

 

Thanks for the warning. I'll try to get some better pictures to see which hoses to connect. All I had was my little izone camera, so that explains the poor quality. I'll wait to return the hose until I figure out the position of the openings I need to connect. By the way, are there any good pictures of our engines that would show me what hoses they are? Thanks again.

 

Graeme you just confused the **** out of me. Your first response was right. Look right under the TB and there are two hoses going from the TB to the block. take them off and connect the ones from the block together. I just got a long hose and connected it over the intake tube because if you bend it too much it will crimp. Anyways take a look. This is an old picture! see what I mean?

 

Im sorry if it doesnt show up. Here click on this. http://albums.photopoint.com/j/View?...899&Sequence=0 (well copy and paste)

 

He has pictures of what he thought they were... and he thought 2 of the heater hoses were what he needed to connect sorry for confusion

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~~Looking for car!~~
In Memory of #3 Dale Earnhardt

 

Ok I'll go look for the hoses... do I need to perform the surgery from under the car then? As you may have figured out, I don't know a whole lot about doing work on my car (although more than most guys at my school). Anyway I am going to order the service manual for my car so I know what I am talking about next time. That would have probably been a bad thing if I connected those heater hoses
Thanks again for helping me.

 

Ok... you need to take out those 2 bolts that haold the throttle body on. You will see these two little *** hoses.. maybe 1/2 inch at best. These are the hoses you dissconnect from the base of the throttle body and that "black" tube. You may want to go ahead and go to the dealer and get the replacement connecting tube from the "black tube" to the intake. If it's the original it'll break as soon as you touch it. Mine did. The original is aluminum, the replacement is steel and like maybe 8 bucks from the dealer.

Hope that helps.

 

You guys are making this into surgery. Take the TB off???? Ummm, no. Take the intake tube off, push it to the left and get the hoses out from the right. This mod is a mother to do but hey it might be worth it. the clamps are the hardest to get off. Just work at them. I just broke mine off seeing how I wasnt gonna reuse them again anyways. Well thats all I know. Good luck!

 

Well after visiting 2 bookstores and calling several auto part stores and one dealer, I finally ended up with the Haynes Firebird service manual from Pep boys (the only manual available). Now I will have something to do in study hall

Ok, I think I finally got this thing down. I found a picture in this manual, and let me know if the 2 arrows it is pointing to are the 2 hoses that need to be removed (I am pretty sure that they are). Here is the picture:
http://homepage.mac.com/liquidblujay/tbcbypass.gif

I'll try it on Friday so that if something goes wrong, I'll have the entire weekend to fix it. Thanks again guys for your help.

 

Uless I am wrong, you have found them. Unless it gets exreamly clod ware you live you will have no problems during the winter and the compter wont have any problems. All it serves is to heat the throtle body so it doesn't freez up. Which of course is bad for proformance. If the throtle body is hot the ait travling through it will also heat up.

 

I think Monkie might have said the same thing, but all you need to do is disonnect one of the hoses completely from both ends, and connect the other hose to where the first one was. You don't need anything but some pliars. Who cares if the hose crimps. There's nothing going through there anyway!

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'91 RS 3.1
SSM SFC's
Energy Susp. Hyper-flex kit
GTA Sway bars
Clarion, Phoenix Gold, JL Audio, etc.
Pictures: http://albums.photopoint.com/j/Album...=13412261&f=0]
Quote: "If you can't beat them, arrange to have them beaten."
- George Carlin

 

https://www.thirdgen.org/newdesign/t...ntbypass.shtml

this is in the tech articles here.

 

I used a foot-long piece of 1/2" heater hose for my TB-coolant-bypass. Like REZN8R said, the hose crimps, but who cares!


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-Tom P (Hot rodded 1986 Firebird 2.8l)