2005 Mustang GT engine modification plan - Ford Mustang Forum
 
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post #1 of 7 (permalink) Old 04-14-2010 Thread Starter
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2005 Mustang GT engine modification plan

Just purchased a 2005 GT Auto Convertible with 48K miles. It's completely stock. Over the next several months (years?) I plan to modify the engine, brakes, suspension, wheels and exhaust. Starting with the engine, my immediate plan is to:
1) Replace air filter with K&N
2) Replace spark plugs with champions
3) Use SCT/SF3 tuner to tune engine to run on premium fuel

In about 6 to 12 months:
4) Replace coil on plug wires
5) Install cold air induction system
6) Install larger throttle body
7) Re-tune engine

I would appreciate any thoughts on this plan. Thanks!

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post #2 of 7 (permalink) Old 04-14-2010
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Exhaust

I just opened my exhaust up. I have an '05 GT Manual trani tho. I have the Flowmaster two chamber super 40 series. It sounds pretty good. I just had the cats gutted yesterday. May be too raspy for some but I like it. You can about spend what you want to on exhaust. I've got $350 invested in mine and that includes the installation and all.

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post #3 of 7 (permalink) Old 04-14-2010
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What are your long term goals ? If you don't know I would go ahead and define them right now. If that's all you're going to do then I would just buy a Cold Air Kit(with tuner) such as the Steeda,JLT, or C&L and forget the rest.

If they play, I spray.
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post #4 of 7 (permalink) Old 04-14-2010
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You are gonna have a hard time finding those coil on plug wires. I don't know about champion plugs but I have brisk iridiums and they are good. The autolites I think are the standard recommendation though. Throttle body would be a waste of money until later down the road with more serious mods.
post #5 of 7 (permalink) Old 04-14-2010
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Quote:
Originally Posted by GTExpress View Post
Just purchased a 2005 GT Auto Convertible with 48K miles. It's completely stock. Over the next several months (years?) I plan to modify the engine, brakes, suspension, wheels and exhaust. Starting with the engine, my immediate plan is to:
1) Replace air filter with K&N
2) Replace spark plugs with champions
3) Use SCT/SF3 tuner to tune engine to run on premium fuel

In about 6 to 12 months:
4) Replace coil on plug wires
5) Install cold air induction system
6) Install larger throttle body
7) Re-tune engine

I would appreciate any thoughts on this plan. Thanks!
1, 2, 4, and 6 are either unnecessary or a waste of money at this time. 3 and 5 can usually be bought as a package for a couple hundred bucks and comes with a new tune so you get 7 anyway.
post #6 of 7 (permalink) Old 04-14-2010
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Originally Posted by [email protected] View Post
1, 2, 4, and 6 are either unnecessary or a waste of money at this time. 3 and 5 can usually be bought as a package for a couple hundred bucks and comes with a new tune so you get 7 anyway.
+1, just do the CAI and Tuner first and forget about the rest for now. Gonna cost more than a couple of hundred though, more like $550 or $600. Why do the K and N if you are going to get a CAI in the future. And the throttle body is unnecessary, the OEM can handle all the air you need.
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post #7 of 7 (permalink) Old 04-14-2010
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Skip the coils and throttle body.

1965 Mustang Coupe
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2005 convertible , 2005 gt , engine modification

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