3.8 cheap power - Mustang Evolution

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Old 11-26-2013, 02:31 PM   #1
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3.8 cheap power

I just traded for a 2001 3.8 mustang. Kinda fell into it actually and trying to keep my costs down. I have headers with Flow Master Exhaust. Wondering what size throttle body would give me the best results "response and HP". Any Ideas?
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Old 11-26-2013, 02:33 PM   #2
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I just traded for a 2001 3.8 mustang. Kinda fell into it actually and trying to keep my costs down. I have headers with Flow Master Exhaust. Wondering what size throttle body would give me the best results "response and HP". Any Ideas?
Honestly, don't think a throttle body is going to do much. Hmm..I'd say gears but you have the 7.5 rear.
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Old 11-26-2013, 04:06 PM   #3
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I would not upgrade the throttle body without a port and polish. Go for a short shifter or 8.8 rear end. There are a lot of better upgrades besides a tb.
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new engine,1.7 rocker arms,Pipes exhaust, shorty cats , shorty headers,under drive and overdrive pulleys,4.2 upper plenum, throttle body spacer, cold air intake, stage one clutch, shorty shifter, and tune. 8.8 in storage
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Old 11-26-2013, 04:29 PM   #4
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afraid of that

I was hoping to help it breath a little better. My thinking was a cold air intake, bigger diameter throttle body, maybe a tune for more fuel into the motor, then the headers and exhaust for better flow out of the engine.
This always helped with my old bikes with K&N filters exhaust and jetting the carbs. It's easier to see differences in 380lb bikes though.

I bought what I thought was a 1200 Harley Sportster for $1500 and found out it was a 883 by running the VIN, gave the seller a choice take the bike back and return my 1500 or give me 500 and I would keep it, "which they did". Long story short traded the Hardley for the Mustang.
It came with Header, Cobra wheels, 5 speed flow masters. Clear coat was peeling but I am having it painted now.
May just leave it alone after that and use it as daily driver. My 69 Mach 1 should take priority anyway. LOL

Well hope I didn't bore you and thanks for the advice.
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Old 11-26-2013, 04:31 PM   #5
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Define "cheap". Cant really get good power cheap. Bolt ons are cheapest performance mods but still aren't that cheap. Gears and a tuner are the best bolt ons I feel.
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Old 11-26-2013, 07:36 PM   #6
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You may have your mind made up, but here are more experienced options.


The low intake manifold has air restrictions. preventing the extra air from a wider throttle body. polishing the runners on the upper intake manifold will get you 2-3 real hp. The lower intake would give you about 12 hp but this is not a beginner thing to do. The upper is easy and hard to mess up.
Depending on how much experience you have a Windstar conversion would give you 7 hp and 15 tq.
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new engine,1.7 rocker arms,Pipes exhaust, shorty cats , shorty headers,under drive and overdrive pulleys,4.2 upper plenum, throttle body spacer, cold air intake, stage one clutch, shorty shifter, and tune. 8.8 in storage
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Old 11-27-2013, 02:23 AM   #7
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Contact Ortiz Performance.

He does good work.
He has done work for david_seifert on here.

He will tell you what you need.
He is doing my tune on my termi come the time, he does excellent data log tunes, as good as on a dyno.
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Old 11-28-2013, 05:15 PM   #8
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Well I believe I am going to leave it as a nice little driver and concentrate strictly on my 1969 Mach 1 that I have had since I was a teenager. Thanks for all the Ideas though.
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Old 12-01-2013, 04:10 PM   #9
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Originally Posted by samuelsmith View Post
I would not upgrade the throttle body without a port and polish. Go for a short shifter or 8.8 rear end. There are a lot of better upgrades besides a tb.
Agreed. Unless you get a power pak from SSM, or go forced induction you would really be wasting money that could be spent better elsewhere.
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