D15B Throttle Body Q
#1
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D15B Throttle Body Q
Hey guys i was wondering wht your opinions would be for a Throttle body.I currently have a Skunk2 IM and want to get a throttle body for it but dont know which one to go with anyone have some suggestions take in mind that my car will be turbo early January of next year
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Re: D15B Throttle Body Q (mortificationrock)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mortificationrock »</TD></TR><TR><TD CLASS="quote">BLOX Tb or Skunk2 Tb?? </TD></TR></TABLE>
Both are way too big for a d15b.
If all you have is bolt-ons, stick with your stock throttle body. You can also call Skunk2 to see what they recommend you use with their intake manifold.
Both are way too big for a d15b.
If all you have is bolt-ons, stick with your stock throttle body. You can also call Skunk2 to see what they recommend you use with their intake manifold.
#6
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Re: D15B Throttle Body Q (slo_hatch)
OK what part of I'm going to be turbo in2 months did you not get?All I'm asking is which is better I know its a D but I have a I'M and I think a TB would help maybe not much right now but when I'm turbo it'll be great!Atleast that's what I think
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Re: D15B Throttle Body Q (mortificationrock)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mortificationrock »</TD></TR><TR><TD CLASS="quote">OK what part of I'm going to be turbo in2 months did you not get?All I'm asking is which is better I know its a D but I have a I'M and I think a TB would help maybe not much right now but when I'm turbo it'll be great!Atleast that's what I think </TD></TR></TABLE>
OK what part of "both are way too big" do you not get?
People are making over 300whp with 56mm throttle bodies.
Take my advice or leave it...
OK what part of "both are way too big" do you not get?
People are making over 300whp with 56mm throttle bodies.
Take my advice or leave it...
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#8
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Re: D15B Throttle Body Q (ddd4114)
There is alot to take into consideration before you need a bigger throttle body. Being turbo these are what you need to look at. How big of a turbo, how much psi from said turbo you plan on boosting (no such thing as 8-10psi, that just means you have a shitty wastegate and cant control your boost), changing the cam, lowering the compression for more boost, rev limit, whats your whp goal, etc?
Ive had customers make well into 200whp with a small turbo, stock D15B from oil pan to throttle body, and 440cc injectors. I wouldnt push a stock D series past 250whp, so i say stock is fine as well.
Ive had customers make well into 200whp with a small turbo, stock D15B from oil pan to throttle body, and 440cc injectors. I wouldnt push a stock D series past 250whp, so i say stock is fine as well.
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by saying D15b, you mean the JDM D15b Vtec motor right?
Because I had a 94 CX with a 1.5 and the TB was ridiculously small, then I swapped a JDM d15b in and it had a much larger TB. Don't know the actual size (mm) of either though.
Because I had a 94 CX with a 1.5 and the TB was ridiculously small, then I swapped a JDM d15b in and it had a much larger TB. Don't know the actual size (mm) of either though.
#10
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Re: (wtfmate3487)
Yeah JDM D15B Vtec ! Its just that I have a larger IM so I wanted to get a TB for it also!?But everyone is saying NO!I want to hear from people who actually have them on!
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Re: (mortificationrock)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mortificationrock »</TD></TR><TR><TD CLASS="quote">Yeah JDM D15B Vtec ! Its just that I have a larger IM so I wanted to get a TB for it also!?But everyone is saying NO!I want to hear from people who actually have them on!</TD></TR></TABLE>
A larger plenum should be paired with a smaller throttle body, and a smaller plenum should be paired with a larger throttle body.
Why do you think you'll benefit from a larger throttle body? Why do you think somebody who has one knows better? Would you trust somebody who owns an electric supercharger when you want supercharging advice?
A larger plenum should be paired with a smaller throttle body, and a smaller plenum should be paired with a larger throttle body.
Why do you think you'll benefit from a larger throttle body? Why do you think somebody who has one knows better? Would you trust somebody who owns an electric supercharger when you want supercharging advice?
#12
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Re: (ddd4114)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ddd4114 »</TD></TR><TR><TD CLASS="quote">
A larger plenum should be paired with a smaller throttle body, and a smaller plenum should be paired with a larger throttle body.
Why do you think you'll benefit from a larger throttle body? Why do you think somebody who has one knows better? Would you trust somebody who owns an electric supercharger when you want supercharging advice?</TD></TR></TABLE> OK good point But I've seen people on here at HT saying it will help alittle with Throttle response! I mean is this true?I know I aint gonna get HP from it or mean *** torque but would it atleast help with throttle response?D's are torqueless already
A larger plenum should be paired with a smaller throttle body, and a smaller plenum should be paired with a larger throttle body.
Why do you think you'll benefit from a larger throttle body? Why do you think somebody who has one knows better? Would you trust somebody who owns an electric supercharger when you want supercharging advice?</TD></TR></TABLE> OK good point But I've seen people on here at HT saying it will help alittle with Throttle response! I mean is this true?I know I aint gonna get HP from it or mean *** torque but would it atleast help with throttle response?D's are torqueless already
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Re: (mortificationrock)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mortificationrock »</TD></TR><TR><TD CLASS="quote"> D's are torqueless already </TD></TR></TABLE>
Dont D-series put down more TQ than B series?
The JDM d15b TB should be just fine, I doubt you'll see or feel any gain from a bigger one. But how much does the TB you want cost? Why not just try one out and let us all know what you find.
Dont D-series put down more TQ than B series?
The JDM d15b TB should be just fine, I doubt you'll see or feel any gain from a bigger one. But how much does the TB you want cost? Why not just try one out and let us all know what you find.
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Re: (mortificationrock)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mortificationrock »</TD></TR><TR><TD CLASS="quote"> OK good point But I've seen people on here at HT saying it will help alittle with Throttle response! I mean is this true?</TD></TR></TABLE>
It's an illusion.
The rate of change of the aperture is greater than that of a throttle body with a smaller diameter. Essentially, more air will flow at a smaller throttle position. However, if you open a larger throttle body wide open, you are not increasing the flow rate; you are merely reducing the air velocity and negatively affecting your power production. You will allow the engine's flow rate to reach its maximum before the throttle is fully opened, and everything beyond that point is useless.
To take advantage of a larger throttle body, you should get a cam that requires it. Also, as I said before, a larger plenum should be paired with a smaller throttle body, and a smaller plenum should be paired with a larger throttle body. Other factors affect ideal throttle body size, but those are the primary concerns.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wtfmate3487 »</TD></TR><TR><TD CLASS="quote">Dont D-series put down more TQ than B series?</TD></TR></TABLE>
In general, no, that's not true. The only case I know of is the d17a2's 114 ft-lbs vs. some b16's with 111 ft-lbs.
It's an illusion.
The rate of change of the aperture is greater than that of a throttle body with a smaller diameter. Essentially, more air will flow at a smaller throttle position. However, if you open a larger throttle body wide open, you are not increasing the flow rate; you are merely reducing the air velocity and negatively affecting your power production. You will allow the engine's flow rate to reach its maximum before the throttle is fully opened, and everything beyond that point is useless.
To take advantage of a larger throttle body, you should get a cam that requires it. Also, as I said before, a larger plenum should be paired with a smaller throttle body, and a smaller plenum should be paired with a larger throttle body. Other factors affect ideal throttle body size, but those are the primary concerns.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wtfmate3487 »</TD></TR><TR><TD CLASS="quote">Dont D-series put down more TQ than B series?</TD></TR></TABLE>
In general, no, that's not true. The only case I know of is the d17a2's 114 ft-lbs vs. some b16's with 111 ft-lbs.
#16
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Re: (ddd4114)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ddd4114 »</TD></TR><TR><TD CLASS="quote">
It's an illusion.
</TD></TR></TABLE> Is it a illusion? Really? Anyone else have insight on this?Sorry for being so hard but **** i dont think people would buy them for the *** of it
It's an illusion.
</TD></TR></TABLE> Is it a illusion? Really? Anyone else have insight on this?Sorry for being so hard but **** i dont think people would buy them for the *** of it
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Re: (mortificationrock)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mortificationrock »</TD></TR><TR><TD CLASS="quote">i dont think people would buy them for the *** of it </TD></TR></TABLE>
Really? Why not? You don't think people buy electric superchargers, Tornado's, and front-mount intakes for the expletive of it?
Did you read my explanation at all? Is there anything I should clarify?
Really? Why not? You don't think people buy electric superchargers, Tornado's, and front-mount intakes for the expletive of it?
Did you read my explanation at all? Is there anything I should clarify?
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Re: (ddd4114)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ddd4114 »</TD></TR><TR><TD CLASS="quote">
In general, no, that's not true. The only case I know of is the d17a2's 114 ft-lbs vs. some b16's with 111 ft-lbs.</TD></TR></TABLE>
I meant built motors, not factory numbers. But that's not really relevant.
In general, no, that's not true. The only case I know of is the d17a2's 114 ft-lbs vs. some b16's with 111 ft-lbs.</TD></TR></TABLE>
I meant built motors, not factory numbers. But that's not really relevant.
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