I have a 1994 Trans am. I am about ready to put my 383 in my car, I have a 95-97 coolant steam pipe on the motor now becuse i would like to convert to the new style hose setup, BUT i also want to delete the heater. I looked at Shoebox's site, but the OEM picture says the coolant steam pipe hose that connects to is isn't going anywhere but a 90 degree hose, no line pointing it anywhere, does anyone have a more acurate picture of the coolant line configuration...also, what do i do about the heater hose ports on the water pump, loop them up to something? What did you all do, details please, thanks...

 

why would you not want the heater?

 

I wont be driving the car during a time to need the heater, its not a daily driver, its a street strip car.....can anyone point me in the right direction?

 

The 90° hose goes to the throttle body. Not necessary if you do the TB bypass. Just loop the water pump heater hose ports to each other.

 

Shoebox....every 95+ i saw has the coolant steam pipe going to a port right under the radiator cap. I never saw any go into a 90 degree angle. Perhaps everyone i saw already did the throttle body bypass? Does the Goodyear hose kit for 95-97 come with the hose that connects from steam pipe to radaitor cap like at ur tb bypass picture at ur website, this is SOO confusing, which heater ports on water pump do i have to loop? the one that points stright upto the throttle body and the lower left one? Thanks in advance.

 

With your 94 its very simple. You need the upper radiator hose for a 95 (drivers side) this will do away with the hose coming of the TB.
So you install your 95 hose, remove all the other heater hoses.
Now block off the open WP holes with heavy duty vacuum caps (available in the help section at autozone, advance, etc just buy the variety pack) worm clamp the vacuum caps on and your good to go.
You can take a lenth of heater hose and U the 2 open ports together if you like but Joe Overtons car has the WP holes blocked off with the vacuum caps so thats how I did it. His car is drag only but I have been driving on the street with this setup and have no problems, looks much cleaner as well.
Your going to lose one of your bleeders as well, not to worry though cause the one on the water neck is fine. I have no overheating problems and I even took out the plastic air deflectors in front of the radiator. I do run a 160 stat with the appropriate tuning.

 

I looped the WP outlets but like the capping better. might do that over the winter.

 

Stock has the 90° hose. I don't see what is so confusing. You have two hoses going to the heater core, just loop them at the pump.

 

I think I got it now, thanks all....those worm clamps that are used on our cars, where can I get them? I went to autozone and only saw the normal ones the ones you tighten with a flat head....am I not looking hard enough?

 

The stock clamps are a tension type not a worm clamp. I like the worm clamps better as you can tighten them more if needed. The tension clamps get weak over time and can leak, plus they are a bitch to work with in tight spots. The dealer will have them if thats what you want.

 

k, ill just use the worm clamps then :-D

 

Where does the steam pipe go to, upper or lower pipes, passenger side in the TB? I guess I am asking which is the out and which in the in. Sorry if this is wrong place to ask.
I did a head gasket replace and found dirt in steam pipe bolt that goes to head , that side had the bad gasket. I found diagram of steam pipe, but does not show where it goes into the TB.

1995 LT1 z28 stock.
Thanks Frank

 

If you do a search for lt1 throttle body bypass I am sure you will find pictures for stock location and bypass location and can choose what route you want to go. Most people do the bypass mod


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Hose #4 goes into the passenger side of the TB. If the bypass is done there would be a hose from where 4 is to where 5 goes into the radiator.

 

Thanks so much.. Got it...
Thank you again.
Frank