Losing boost at Throttle body? smoke tested

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Old Jun 15, 2013 | 01:25 PM
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supersilverdc2's Avatar
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From: NoRcAl
Default Losing boost at Throttle body? smoke tested

tuner said i need a new TB , they are $600 from acura with shop discount here in CA.. (WEAK)

anyways, can I use an OBD1 TB without the coolant lines ran to it?

any help would be appreciated and maybe a pic if you have one of an obd1... I am using a skunk2 1st gen intake mani.. ty.
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Old Jun 15, 2013 | 01:31 PM
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From: NoRcAl
Default Re: Losing bost at Throttle body? smoke tested

also if i go aftermarket, what size would you reccomend for a turbo lsvtec setup , mild build... going for 300 hp range. daily driven ty..
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Old Jun 15, 2013 | 01:33 PM
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Default Re: Losing bost at Throttle body? smoke tested

Is your tuner certain that the TB itself is cracked or warped, and not simply a gasket issue? I would assume so, but figured I would throw it out there lol.

What engine are you running - we may have a used TB for ya... ?

To answer your question, if searching for aftermarket a 68-70mm would be plenty sufficient, and give you room to grow w/o limiting your future performance.
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Old Jun 15, 2013 | 01:41 PM
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From: NoRcAl
Default Re: Losing bost at Throttle body? smoke tested

yea im just looking into aftermarket and it is WAAY cheaper than OEM, then ill have to buy a new charge pipe connector for diff size throttle body, and then ill need a new tune... geez...
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Old Jun 15, 2013 | 01:52 PM
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Default Re: Losing bost at Throttle body? smoke tested

Its going to need to be retuned regardless, if it was originally tuned with the boost leak present... Tuning is your friend, not your enemy - embrace it ;-)
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Old Jun 15, 2013 | 08:58 PM
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From: toledo
Default Re: Losing bost at Throttle body? smoke tested

check the gasket
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Old Jun 16, 2013 | 08:30 AM
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Default Re: Losing bost at Throttle body? smoke tested

Yeah check the gasket. Did you see where it was leaking from? Throttle bodies especially Honda ones dont fail in this way very often. I have seen a bunch of Ford TBs leak at the shaft seal. 68-70mm as said is perfect if going aftermarket. You will for sure need a retune once you fix the leak regardless if you change the TB size. A good tuner should finish up the tune for you at no extra cost since there was an issue with the first tuning session and it could not be properly fine tuned.
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