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Old 07-14-2007, 07:21 PM   #1
PetRex
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Default turbo porting

Does anyone know where this can be done locally.? I heard it helps with back pressure if you have a VF39 on a 2.5 rex. Or is it even necessary?
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Old 07-14-2007, 07:43 PM   #2
Mavrik
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Chapter/Region: AKIC
Location: Anchorage AK
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pm scooby_tec *aka* Dale

I believe he ports them.
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Old 07-14-2007, 08:45 PM   #3
GrinderAK
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it is a very good idea if youre planning on upgrading the downpipe
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Old 07-14-2007, 09:48 PM   #4
edo2000
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I should have done this before installing the vf34. But I didn't know who did the work in Alaska, and I was in a big rush to get the turbo on there...
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Old 07-14-2007, 10:28 PM   #5
00Maddog
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Quote:
Originally Posted by edo2000 View Post
I should have done this before installing the vf34. But I didn't know who did the work in Alaska, and I was in a big rush to get the turbo on there...
is the 34 creeping? the housing is alot better then the 39's...
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Old 07-14-2007, 10:56 PM   #6
edo2000
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Quote:
Originally Posted by 00Maddog View Post
is the 34 creeping? the housing is alot better then the 39's...
No, it's not creeping at all, but I hear porting is good for 400 rpm earlier spool
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Old 07-15-2007, 12:14 AM   #7
ScoobyTec
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the 34 spools pretty good as is and if its on a 2.0 it wont creep at all. the 39 is a creepaholic it could use a good waste gate port
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Old 07-15-2007, 04:03 PM   #8
Firestrike
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Brandon, I would not put a 39 on your car, those turbos have a high tendency to crack right at the waste gate
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Old 07-15-2007, 07:00 PM   #9
PetRex
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really, on Cobb forums, there seems to be alot of people who have had success, but what do I know!
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