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  #1  
Old 11-20-2009, 02:41 PM
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best stg 2 upgrade?

I rebuilt my injectors back in the spring and now that i have the d66 and a fuel system. I may consider upgrading to the stg 2 tips.
Would it be better to send my injector tips out for porting or should I just buy stg 2 tips?
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Old 11-20-2009, 05:00 PM
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if i was you id just get new ones but if you low on money id send them out
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Old 11-20-2009, 05:03 PM
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I'd do what ever is comfortable for you. If you are good at messing with them do it urself and save a little money.
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Old 11-23-2009, 03:02 PM
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The only reason for considering porting my tips is to be able to choose how much more flow I want.
New stg2 tips are 80% more than stock. If I port mine I can get 30% or 60%.
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Old 11-23-2009, 03:09 PM
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how are you going to "port" your injectors? lol
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Old 11-24-2009, 07:23 AM
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Quote:
Originally Posted by 4fingers View Post
how are you going to "port" your injectors? lol
He can send his nozzles off to Extrude Hone, silly.

Thad, I should have 30% over nozzles in mid December if you don't want to go all the way to 80%. But IMO tuning will make 80% nozzles very friendly.
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Old 11-24-2009, 05:10 PM
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i thought he meant that HE was going to do it, i know about EH.

i didnt want him to be like the guy who "ported" his heads by renting a sandblaster and held the hose down the intake with the engine running lol.
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Old 11-24-2009, 05:12 PM
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Quote:
Originally Posted by 4fingers View Post
i thought he meant that HE was going to do it, i know about EH.

i didnt want him to be like the guy who "ported" his heads by renting a sandblaster and held the hose down the intake with the engine running lol.
Pardon my ignorance, but what/who is "extruded hone"?
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Old 11-24-2009, 06:24 PM
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Extrude hone" is a process where a mildly abrasive product, about the consistency of wet cement, is forced through passages to clean them up. Picture forcing the stuff through head passages that are normally difficlut to get to with a burr tool, it does a nice job of cleaning up casting flash, etc. Extrude honing injector nozzle tips does the same thing, cleans up microscopic manufactring flaws making a much cleaner passage for the high pressure fuel to move through.
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  #10  
Old 11-24-2009, 06:27 PM
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Quote:
Originally Posted by sam 8 View Post
Extrude hone" is a process where a mildly abrasive product, about the consistency of wet cement, is forced through passages to clean them up. Picture forcing the stuff through head passages that are normally difficlut to get to with a burr tool, it does a nice job of cleaning up casting flash, etc. Extrude honing injector nozzle tips does the same thing, cleans up microscopic manufactring flaws making a much cleaner passage for the high pressure fuel to move through.
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