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Old 02-01-2008, 02:59 PM   #1
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Default Turbo Inlet opening size. Stock Greddy 15G....

I have a Megasquirt now and no longer need my AFM. Before i can get rid of that shitty turbo inlet pipe greddy gives you i need to know the size of the opening on the turbo. I need to get a reducer coupler so i can run the new 2.5" inlet pipe i made. Unless the inlet is 2.5 inches in which case i can just run a straight coupler, but i doubt the opening is that big.

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Old 02-01-2008, 08:57 PM   #2
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It's not *exactly* 2.25" (it's metric) but it's close enough that a 2.25" silicone coupler fits nicely.

Last edited by Joe Perez; 02-02-2008 at 01:08 AM. Reason: 2.25", not 2.5"
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Old 02-01-2008, 09:11 PM   #3
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i think it's much closer to 2.25" than 2.5" though i could be wrong and my car is at my grandparents house for the winter so i can't measure
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Old 02-01-2008, 09:25 PM   #4
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I can say only that when I removed my AFM, I bought a piece of 2.5" J-bend and used that for my turbo inlet with a 2.25" reducing coupler. It fit almost perfectly.

The outlet, FWIW, is about 2".

Last edited by Joe Perez; 02-02-2008 at 01:07 AM. Reason: 2.25", not 2.5"
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Old 02-01-2008, 09:40 PM   #5
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i think it's 2.35"
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Old 02-01-2008, 09:41 PM   #6
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I stretched a 2.25" coupler over it
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Old 02-01-2008, 11:32 PM   #7
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k thanks guys... I'll go hunting for what I need tomorrow afternoon.
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Old 02-02-2008, 01:06 AM   #8
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You know what, you guys are absolutely right. I used a 2.5" pipe to make my intake out of, but I put a 2.5" to 2.25" reducer coupling on the end. And now that I think about it, it was a bit of a stretch initially. (it seems to have relaxed somewhat since then.)

Sorry for the misinformation. I had a weird day... Posts have been edited to correct stupidity.
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Old 02-02-2008, 10:00 AM   #9
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It's 60mm. A 2 3/8" coupler fits. I was able to pick up a 1 foot piece at a local place called Amazon Hose & Rubber. http://www.amazonhose.com/ There should be a similar place in most larger towns.
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