Throttle body size - MustangForums.com

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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Throttle body size

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Old 10-23-2006, 04:39 PM
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88MustangGX
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Default Throttle body size

what is the 5.0 stock TB size? i am putting on my cobra manifold and my TB is sticking open some days so i might as well replace it. what size would be good with my mods listed below? thanks!
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Old 10-23-2006, 04:53 PM
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primetime5.0
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Default RE: Throttle body size

the cobra manifold opening is 65mm so just stick with that
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Old 10-23-2006, 04:56 PM
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7upedition
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Default RE: Throttle body size

+1 always match the tb to the upper intake inlet diameter.... in this case 65mm
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Old 10-23-2006, 04:58 PM
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88MustangGX
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Default RE: Throttle body size

sweet, thanks guys
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Old 10-23-2006, 06:33 PM
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Default RE: Throttle body size

ORIGINAL: 88MustangGX

what is the 5.0 stock TB size? i am putting on my cobra manifold and my TB is sticking open some days so i might as well replace it. what size would be good with my mods listed below? thanks!
I agree. 65mm is plenty and a larger MAF will help out, too. The stocker is 60mm. You don't have to get a TB as big as the opening of your intake, but you DO NOT want a TB larger than the intake opening.

How do you like that Pypes X w/ cats? I've been looking at a few different X's, but wasn't sure about Pypes quality....

Thanks,

Adrian
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Old 10-23-2006, 07:05 PM
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88MustangGX
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Default RE: Throttle body size

ORIGINAL: gspfunk

ORIGINAL: 88MustangGX

what is the 5.0 stock TB size? i am putting on my cobra manifold and my TB is sticking open some days so i might as well replace it. what size would be good with my mods listed below? thanks!
I agree. 65mm is plenty and a larger MAF will help out, too. The stocker is 60mm. You don't have to get a TB as big as the opening of your intake, but you DO NOT want a TB larger than the intake opening.

How do you like that Pypes X w/ cats? I've been looking at a few different X's, but wasn't sure about Pypes quality....

Thanks,

Adrian
no complaints here. good sound with the combo. Little more raspy at higher RPM's. But i guess that is the x pipes for ya. the only problem i had was when installing it the catback system was too long for the x pipe so my guy had to hack off a few inches of the cat back. Otherwise it's a solid design, small cats on it, totally different design from stock. I've only had it on for about 200 miles or so. But it's a nice touch. i notice more high end trq as well
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Old 10-23-2006, 07:13 PM
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SSKiller
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Default RE: Throttle body size

I thought the stock was 52 mm.
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Old 10-23-2006, 07:23 PM
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88MustangGX
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Default RE: Throttle body size

well i am gonna take it off and measure it tonight so i'll let you guys know. 60mm sounds right though. i've heard that from a few people.
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Old 11-02-2006, 12:49 PM
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gspfunk
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Default RE: Throttle body size

I've measured mine before. Stock TB is 60. Stock MAF is 55mm on the outlet side.
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Old 11-02-2006, 01:16 PM
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88BlueGT
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Default RE: Throttle body size

I would stick with a 65mm throttle body.
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