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Another TB Bypass Question!

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Old 02-01-2008, 01:56 PM
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Default Another TB Bypass Question!

well just wanted to kno if you are supposed to cover the TB holes were the collant use to run through.
Heard that there will be vaccum prblems?

O and i tryed serch
Old 02-01-2008, 06:13 PM
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yes, also, www.installuniversity.com has pics and detailed instructions
Old 02-01-2008, 06:40 PM
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in my TB bypass kit....... one cap was too big so it just fell off the return coolant line on the TB itself............ never had a vacuum problem

im almost sure those caps just keep dirt from getting in the TB, after all..... its just a coolant line..... how would this effect vacuum????
Old 02-01-2008, 06:41 PM
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never capped mine lol going on 2 years now??

it's just a coolant line bro.. your car isnt going to die on u if u dont cap them.
Old 02-01-2008, 09:57 PM
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OOOPSS I didnt know you had to cap them and its been years since i did the bypass.
Old 02-01-2008, 10:02 PM
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**** i didnt kno this either! lol. i havnt capped mine..and i did it two years ago when i bought my car! lol
Old 02-01-2008, 10:35 PM
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Never capped it on my old Z28 or on the CETA. Didn't have any problems with mine either
Old 02-01-2008, 11:55 PM
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Yep no caps necessary.
Old 02-02-2008, 10:51 AM
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Yeah i havent caped mine either is been running good but a few people told me it will be a vacuum leak dint understand why.
Old 02-02-2008, 11:11 AM
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Originally Posted by -98-Z28-Darkness-
Yeah i havent caped mine either is been running good but a few people told me it will be a vacuum leak dint understand why.
Not true who ever said it. If it had a vacum leak after the coolant was removed, that would mean before the TB bypass was done the engine would have sucked coolant down its throat threw the same hole.

Being there is a negative pressure in your intake manifold and a positive pressure in your coolant system. No you wont have any vacum leaks.
Old 02-02-2008, 01:45 PM
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lol, someone please with some common sense explain how those two lines have vacuum to them, uh hello, there is supposed to be coolant running thru them, lol that would mean are cars would burn all the coolant ahhaha lol,

you dont need to cap them, for what???? to prevent dust getting in there, who cares,
Old 02-02-2008, 01:47 PM
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oh sorry lol someone already got to it before me damn ^^^^^
Old 02-06-2008, 09:40 AM
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hook the coolant lines to your winshield washer spray motor and circulate ice water through your throttle body. probably won't do anything but it's slightly innovative.




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