94 Yukon GT

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adubree86

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So my grandpa passed away back in March and I am going to be purchasing his 1994 Yukon GT. Yukon is black in color with red interior. 4x4 gasser with auto tranny. The truck has just over 151k miles on it. This truck was my grandpa's baby and he practically raised me in it. This was the vehicle we took everywhere together. He was the original owner. He always had dreams of doing a full restoreand now it's my responsibility to make that dream come true. So I decided that I would join the forum and learn as much as possible about the vehicle. I do know it is kind of a rare model. I reached out to GMC and they told me that they produced 2603 yukon gt's in 94. Anything you guys could teach me would be great. The only thing it needs right now is new brakes.
 

SunlitComet

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stoptech cryo rotors and hawk sd pads to start for up front. converting to hydroboost when able is a big plus for the vehicle.
 
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adubree86

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I'll look into those pads and rotors. I would also like to upgrade the exhaust. Any suggestions? I want a rumble but nothing completely obnoxious.
 

rolfsent

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I'll look into those pads and rotors. I would also like to upgrade the exhaust. Any suggestions? I want a rumble but nothing completely obnoxious.

I have a Magnaflow Muffler, nice growl not loud with very little drone.
 

SunlitComet

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50 or 70 series flowmaster would do you or equivalent from other makers for about $150 or less for muffler. more value and performance boost in a cat-back for $312 at amazon. http://www.flowmastermufflers.com/?...odel=420&submodel=20&engine=62&category=0&kw=

Lmc sell a headers system that would give you a nice boost as we but is on the pricey side of $. they claim a 20% hp boost and 10% in mileage. http://lmctruck.com/icatalog/CSD/full.aspx?page=102

there is a wider selection of header setups on summit from shorties to one similar to above. you will need to check the applications for notes like for use with air injection or not, 2wd 4wd, c.a.r.b. approved, things like that.

High flow cats are around as well.

There are also other performance mods for other systems just let me know what area ou want to work on.
 

ezdaar

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Before you do any performance mods. do all maintenance first.

Full fluid and filter change, front to rear, including brake, power steering and radiator flush.

First thing I would be doing is pop that air filter, toss it for new one and clean that throttle body! I bet its black and gummy as heck. USe this stuff. its magical!

Get a new fuel filter, swap it then dump this into tank. Double what it calls for on the bottle.

Regardless what anyone tells you. Use standard copper core NGK plugs, they are cheap and work perfect.
Use ACdelco wires and replace the cap, rotor and ignition module (under rotor).

More to come.
 
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adubree86

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Before you do any performance mods. do all maintenance first.

Full fluid and filter change, front to rear, including brake, power steering and radiator flush.

First thing I would be doing is pop that air filter, toss it for new one and clean that throttle body! I bet its black and gummy as heck. USe this stuff. its magical!

Get a new fuel filter, swap it then dump this into tank. Double what it calls for on the bottle.

Regardless what anyone tells you. Use standard copper core NGK plugs, they are cheap and work perfect.
Use ACdelco wires and replace the cap, rotor and ignition module (under rotor).

More to come.

I forgot to mention. Before he passed away he put in a new water pump, serviced ac and had a tune up including fluid flushes and replacements. I will look into a new fuel filter and already have a K&N air filter on order.
 
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adubree86

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I failed to mention that before he passed away he replaced the water pump, serviced the ac and had a tune up which included a fluid flush and replace. I also already have a K&N filter on order.

---------- Post added at 04:01 PM ---------- Previous post was at 03:59 PM ----------

I have a Magnaflow Muffler, nice growl not loud with very little drone.

Do you know if Magnaflow makes a cat back kit for this truck?
 

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