hey guys i have a 00 si w/a b16.i bought my i/h/e and now i have decided i want a skunk2 manifold and throttle body..but the problem is i have no clue with throttle body size would work best for me.. i read in other forums that a 70mm will kill my power. so what do you guys think wouldwork good..and does any one here have a skunk2 mani-and throttle body..is it good..did you notice a big difference

 

please help...i have been searching for an answer for 3 days and i havent bought any upgrades because of it.

 

get a 65-68mm throttle body. and a nice 3 inch (diameter) piping for ur intake and ullbe good

 

some people replace their b16 throttle bodies with Itr and had some gains.

I depends on what your plan on building.
.
if your gonna keep it i would go 1 mm, 2 mm the most, more than however big the type r throttle bodies are.

 

http://www.maxbore.com/

above is a very cheap alternative to buying a new throttle body in a specific size.
u send them ur throttle body and they bore it and taper it to a 65mm i believe. if they go 68mm they'll taper it down to 65mm past the butterfly. for 100 bucks u cant go wrong.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cartune network &raquo;</TD></TR><TR><TD CLASS="quote">http://www.maxbore.com/

above is a very cheap alternative to buying a new throttle body in a specific size.
u send them ur throttle body and they bore it and taper it to a 65mm i believe. if they go 68mm they'll taper it down to 65mm past the butterfly. for 100 bucks u cant go wrong.</TD></TR></TABLE>

great stuff man!!! im gonna send some stuff to him to do. thanks for the tip!!

 

Unless you have cams and/or headwork I'd not waste the time, effort, and money on a Skunk 2 manifold.

Very well respected member of H-T Mike K did a back to back dyno comparison of a stock B16A2 with the stock manifold vs. the Skunk2 manifold and the Skunk 2 actually made LESS whp across the entire power band, lost torque, and didn't gain any noticable peak power.

The bottom line?

Don't buy an aftermarket intake manifold for a B16a unless you have cams and/or headwork in the mix too.

 

Werd, no point in getting more air to the motor if the cams/valves can't swallow it. Find some ITR or stage 1 cams and then go with the SK2 mani. Definitely a much better pull around 6500rpm on my B16A2 and pulls all the way to redline.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B18C5-EH2 &raquo;</TD></TR><TR><TD CLASS="quote">Unless you have cams and/or headwork I'd not waste the time, effort, and money on a Skunk 2 manifold.

Very well respected member of H-T Mike K did a back to back dyno comparison of a stock B16A2 with the stock manifold vs. the Skunk2 manifold and the Skunk 2 actually made LESS whp across the entire power band, lost torque, and didn't gain any noticable peak power.

The bottom line?

Don't buy an aftermarket intake manifold for a B16a unless you have cams and/or headwork in the mix too.</TD></TR></TABLE>

AMEN

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cartune network &raquo;</TD></TR><TR><TD CLASS="quote">http://www.maxbore.com/

above is a very cheap alternative to buying a new throttle body in a specific size.
u send them ur throttle body and they bore it and taper it to a 65mm i believe. if they go 68mm they'll taper it down to 65mm past the butterfly. for 100 bucks u cant go wrong.</TD></TR></TABLE>

Not at all, until they get it back, slap and on, and then come to the realization that it gained 0.15hp for their car and they can't even feel it on the *** dyno.

 

b16's anything between 62-68mm