BNR ported TB vs TB spacer.
- Thread starter boostiboo
- Start date
zomby woof
Member
I'm not convinced a ported TB does much, but a TB spacer definitely does nothing.
What are you trying to achieve?
It's more or less me just trying to see the pros and cons, cause if they are the same I'll just get the TB spacer but if the ported TB is better then I'll just jump straight to it. The question about running them both is more or less just has anyone actually ran both.
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Okay, well, let's clear a few things up. The ported throttle body will replace your existing one. It's bored-out to allow more air flow.
The spacer will go in between your throttle body and intake manifold. You use it to tap in boost gauges and such.
If increased performance is what you want, then get the ported TB. Having said that, there are many other things you can do for $350 that are more proven. MPFab intake, wastegate actuator, downpipe and more.
Comparing these two things is apples to oranges.
I appreciate this cause I was honestly confused on them. I have the intake, so and such, I was just gonna add this stuff to my list of maybes.
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Hey np. I'm by no means an expert but check out my build thread and see the mods I've done. HMU with any questions, I did everything myself.
I'm about to start my build after this deployment is over, havnt started much stuff tho, still itemizing, prioritizing, timelining and budgeting for it lol. It's driving me insane
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The ported throttle body is to create more air flow. The most common effect that should be experienced is more top end at the cost of a slightly higher boost threshold (time it takes for turbo to spool).
The spacer is to do taps for sensors or if you want to do a methanol injection.
I would start with getting an intake, tunes, exhaust before diving into porting the throttle body. Hell, get a rear brace and rear anti-roll bar. Get the Chevy performance suspension. There is a thread for spherical control arms too.
The spacer is to do taps for sensors or if you want to do a methanol injection.
I would start with getting an intake, tunes, exhaust before diving into porting the throttle body. Hell, get a rear brace and rear anti-roll bar. Get the Chevy performance suspension. There is a thread for spherical control arms too.
zomby woof
Member
Neither will to anything in a turbo car.
If the intake tract is under pressure (boost) the (very minor - if at all) increase in flow from a ported TB is unimportant.
Use your money elsewhere.
If the intake tract is under pressure (boost) the (very minor - if at all) increase in flow from a ported TB is unimportant.
Use your money elsewhere.
Big Turbo Sonic
Member
MPFab saw a increase in hp when he installed his. I want to say like 8 hp. I saw an airflow increase of about 1.5lbs.Both TB's ported by MPFab
MaD
Member
Just do a tune then exhaust then intake... the tune can be readjusted as needed as new parts are added... theres a good time line to consider due to the fact the tune works from the start and just gets better as you add more... just saying [emoji41] [emoji106]
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The exhaust stuff, intake, pillar gauge pod, afr and boost gauges are all being ordered before I leave the AOR, then it's coilovers wheels and tires if I have the cash, if not they are next, I'd get the tune too but I can't remember anything like VIN or Mileage unless I can get a friend back home to get my spare key from my shop chief and go look for me (which is what I might do)
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zomby woof
Member
I find that really hard to believe, but I'll keep an open mind, maybe buy a new TB, port it and see if it does anything.
Big Turbo Sonic
Member
Perhaps our bigger turbos benefit more, what do you think?
I would think that a ported TB would have benefits when running bigger turbos, cause more airflow meeting a restriction point like the unported TB could cause vortexing or even a boost spike because your trying to force pressure through a smaller opening? I could be wrong. Im more well versed on fluidraulics cause of my job, pnuedraulics is alien to me.
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EyeluvSmegma
New member
From learning as I go, if I had to start over.
1)BNR Tune
2)down pipe
3)wastegate actuator
4)BPV or BOV, which ever flavor your ears like
5) freebies like bypass the bypass, port intake manifold.
Or do everything suspension and motor mounts first. I usually live by the "upgrade it when it breaks" rule. But this car is too much fun.