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Old 07-19-2013, 08:43 PM   #1
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90 5.0 throttle body

How big of a throttle body can I get for a 90 foxbody mustang? I saw a 90mm but didn't know if it was even that big of a difference from a 75mm. Would it have to come with another upgrade to make this fit?
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Old 07-19-2013, 11:30 PM   #2
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Originally Posted by 1990 View Post
How big of a throttle body can I get for a 90 foxbody mustang? I saw a 90mm but didn't know if it was even that big of a difference from a 75mm. Would it have to come with another upgrade to make this fit?
Do you even have mods that would require a 90mm tb?
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Old 07-20-2013, 08:32 AM   #3
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Yeah unless you have some serious mods dont get the 90. The 75 is good
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Old 07-20-2013, 09:51 AM   #4
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What is your setup? What do you want to do with the car? Yes you can get a 90mm but we need more info on your specific setup
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Old 07-20-2013, 05:40 PM   #5
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Lol 65-70mm is recommended for a bolt on or even a hci car. Stock intake opening is 70mm anyway.
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Old 07-21-2013, 05:16 PM   #6
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I've been looking into getting the 70mm, anyone know what kind of gains it would be. Even noticable on the stock intake? (91 GT)
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Old 07-21-2013, 05:25 PM   #7
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On a stock intake... little to nothing.
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Old 07-21-2013, 05:30 PM   #8
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Yeah, didnt think so. Guess the intake will be the next upgrade
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Old 07-21-2013, 05:33 PM   #9
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Just grab an explorer out of a JY or ebay. Get a gen 1 version since you are a fox in case you are keeping EGR and it'll be easier to machine a bung for the sensor in the #5 runner. IAT IIRC, been awhile lol. Or just relocate it to the intake tube...
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Old 07-21-2013, 05:54 PM   #10
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Quote:
Originally Posted by scottydsntknow
Lol 65-70mm is recommended for a bolt on or even a hci car. Stock intake opening is 70mm anyway.
+1 everone always goes 75mm I'm running a 70mm on a h/c/I 306
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Old 07-21-2013, 07:19 PM   #11
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+1 everone always goes 75mm I'm running a 70mm on a h/c/I 306
Yeah I've got a 70mm with a Vortech kit (8 psi) and gt40 intake. Works perfect for my combo
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Old 07-21-2013, 08:51 PM   #12
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90mm? That's ridiculous lol 70mil is what we run around these parts
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