Can I Clock a Gt2554 BB turbo myself? - Miata Turbo Forum - Boost cars, acquire cats.

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Old 09-13-2007, 05:18 PM   #1
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Default Can I Clock a Gt2554 BB turbo myself?

Have an older BEGI 4.2 (FMI, GT25 - sleave bearing) and am looking at updating it with BEGI's newer Gt2554 BB turbo (compressor outlet pointing down). My setup has the compressor outlet pointing up. Can I reclock the new turbo myself, or do I have to send it to BEGI for that?

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Old 09-13-2007, 05:29 PM   #2
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its easy. there is either a big c-clip holding the compressor housing secure or a few bolts and plates. either/or remove and turn, reattach.

for the turbine, there should just be a few bolts and plates, again remove/loosen turn, tightening again.
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Old 09-13-2007, 05:34 PM   #3
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My 2554 has, I believe, 6 bolts on each housing. No big deal at all.

EDIT: here's what my bolts look like
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Old 09-13-2007, 05:55 PM   #4
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if it's like SamS's, then it's SUPER easy. loosen the bolts (1/2" wrench) and the housing will rotate freely. dont take them out--you dont need to.
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