almost finished my ITB for F/I setup




the throttle bodies camed from a cbr1000rr
they are not 100% finished and they will probably be powercoated before i install them on my LS-T
non-vtec powaa
no it's going to clear the firewall pretty well
mesure twice cut once
, the interior of the plenum will be polished ( as best as i can ), and no i will not run 2 set of injectors, the injectors holes on the TBs will be tapped and i will put some vaccuum plugs. the TBs and the manifold will be squeesed with o-rings using a set of SS brakets and screws
.
mesure twice cut once
, the interior of the plenum will be polished ( as best as i can ), and no i will not run 2 set of injectors, the injectors holes on the TBs will be tapped and i will put some vaccuum plugs. the TBs and the manifold will be squeesed with o-rings using a set of SS brakets and screws
.
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by T4 Neon »</TD></TR><TR><TD CLASS="quote">Benefits of this vs 1 large (75mm?) throttle body? Work looks great, just interested to learn the "why"...</TD></TR></TABLE>
+1
+1
Benefits? i would say doing my own stuff
, Itb are known for their capacity to ''flatten'' the torque curve, +++throttle response, equal amount of air in each cylinders, benefits Vs a 75mm Tb? i have 4 throttle of 44mm each instead of one of 75
4 X 44mm = 176mm of pure joy. i'll post some more when it will be installed
, Itb are known for their capacity to ''flatten'' the torque curve, +++throttle response, equal amount of air in each cylinders, benefits Vs a 75mm Tb? i have 4 throttle of 44mm each instead of one of 75
4 X 44mm = 176mm of pure joy. i'll post some more when it will be installed
looks good. I plan on doing the same thing but with a single cam. have all ready welded and re-profiled the cyilnder head. I have 954rr itb's. had a different idea on the connecting them to the itb's to the runners but I like your idea as well. my idea is much more crude lol. only if I had acess to a mill like it appears you do.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cast98integra »</TD></TR><TR><TD CLASS="quote">Benefits? i would say doing my own stuff
, Itb are known for their capacity to ''flatten'' the torque curve, +++throttle response, equal amount of air in each cylinders, benefits Vs a 75mm Tb? i have 4 throttle of 44mm each instead of one of 75
4 X 44mm = 176mm of pure joy. i'll post some more when it will be installed </TD></TR></TABLE>
your math isnt quite right....you need area of the throttle plates not just the diameters...
the 75mm throttle is 441.79 sq mm and the combined 44mm throttles are 608.2 sq mm
, Itb are known for their capacity to ''flatten'' the torque curve, +++throttle response, equal amount of air in each cylinders, benefits Vs a 75mm Tb? i have 4 throttle of 44mm each instead of one of 75
4 X 44mm = 176mm of pure joy. i'll post some more when it will be installed </TD></TR></TABLE>your math isnt quite right....you need area of the throttle plates not just the diameters...
the 75mm throttle is 441.79 sq mm and the combined 44mm throttles are 608.2 sq mm
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cast98integra »</TD></TR><TR><TD CLASS="quote">i will not run 2 set of injectors, the injectors holes on the TBs will be tapped and i will put some vaccuum plugs.</TD></TR></TABLE>
that is a great solution... i wouldn't have thought of that.
that is a great solution... i wouldn't have thought of that.
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cast98integra »</TD></TR><TR><TD CLASS="quote">Benefits? i would say doing my own stuff
, Itb are known for their capacity to ''flatten'' the torque curve, +++throttle response, equal amount of air in each cylinders, benefits Vs a 75mm Tb? i have 4 throttle of 44mm each instead of one of 75
4 X 44mm = 176mm of pure joy. i'll post some more when it will be installed </TD></TR></TABLE>
your math is just a little off....your 4 - 44mm tb's have the same area as one 88mm....not 176mm...
edit ...didnt read down far enough to see that somebody already corrected your post..
lol
, Itb are known for their capacity to ''flatten'' the torque curve, +++throttle response, equal amount of air in each cylinders, benefits Vs a 75mm Tb? i have 4 throttle of 44mm each instead of one of 75
4 X 44mm = 176mm of pure joy. i'll post some more when it will be installed </TD></TR></TABLE>your math is just a little off....your 4 - 44mm tb's have the same area as one 88mm....not 176mm...
edit ...didnt read down far enough to see that somebody already corrected your post..
lol
If you put EGT sensors on each cylinder, you might be able to adjust the opening angles of each tb to make each cylinder's EGT match by controling air flow to each cylinder. That would improve overall engine efficiency if you can tune it proprerly...


