? about stock IM

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#55350 - 09/13/04 02:05 AM ? about stock IM
CivicVTi CivicVTi Sr Member Registered: 12/02/99 Posts: 1176 Loc: Athens , Greece	What is the diameter of the stock IM opening (b16a)? I found a good deal on an ITR TB (which is 62mm I think) and I wonder if I have to port the IM opening (which should be at least 60mm, like the stock TB I believe). _________________________ Honda Civic VTi '95 EG6 hatch (stock B16A2) B18C6 specR swap (Euro)
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#55351 - 09/13/04 07:06 AM Re: ? about stock IM
kysi kysi Jr Member Registered: 12/20/02 Posts: 494 Loc: kentucky	Honda/Acura Throttle Body Inside Diameters (in mm) b18c1 60 b18c spec R 62 b18a 58 b18b 60 b16a SiR 58 b16a Sir2 / b16a2 60 b16a3 58 b20b/z 60 f20c 62 d15b7 56 d16a6 55 d16y7 56 d16y8 56 d16z6 56 ZC 55 d16a1 55 d16a8 55 h22a / h23a 60 f22 / f23 60 Hope that helps. Larry Edited by kysi (09/13/04 07:40 AM) _________________________ People fail when there is a wishbone where their backbone should be.
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#55352 - 09/13/04 11:42 AM Re: ? about stock IM
CivicVTi CivicVTi Sr Member Registered: 12/02/99 Posts: 1176 Loc: Athens , Greece	Thank you very much for the reply. What about intake manifold diameters. I suppose they are not exactly the same with the TB used. I would like to know the b16a2 and b18c5 (R) IM diameter (I think skunk2 opening is 65mm). _________________________ Honda Civic VTi '95 EG6 hatch (stock B16A2) B18C6 specR swap (Euro)
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#55353 - 09/13/04 12:46 PM Re: ? about stock IM
kysi kysi Jr Member Registered: 12/20/02 Posts: 494 Loc: kentucky	This is what I came up with from some stats I had stored. Engine specifications between B16A and B16B. (ITR intake manifold is same as CTR) Engine Type B16A------ B16B 98 Spec.R Maximum Output 170ps/7800rpm-------185ps/8200rpm Maximum Torque 16.0kg-m/7300rpm----------16.3kg-m/7500rpm Bore x Stroke 81.0x77.4mm -------<- same Displacement 1595cc--------- <- same Compression 10.4 ---------------- 10.8 Maximum RPM 8000rpm------- 8400rpm Valve Timing at 1mm lift IN Open/Close BTDC15/ABDC45-------- BTDC18/ABDC45 EX Open/Close BBDC40/ATDC7 -------- BBDC45/ATDC10 Valve Lift IN 10.7mm, EX 9.4mm IN 11.5mm, EX 10.5mm Inlet Valve Diamter 33mm x 2mm <- same Spark Plug Type Heat Rate #6 Heat Rate------- #7 platinum Throttle Bore Diameter 60mm ----------<- same Intake Manifold Single pipe sideflow----------- <- same Air Intake Diameter 65mm -------<- same Exhaust Manifold 4-to-2 -------<- same Exhaust Pipe Diameter 48.6-50.8mm 57.2mm Silencer Flow Capacity 98liter/sec 115liter/sec _________________________ People fail when there is a wishbone where their backbone should be.
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#10616580 - 08/21/24 06:57 PM Re: ? about stock IM [Re: kysi]
1337sb 1337sb Post Master Supreme Registered: 11/03/10 Posts: 19182 Loc: :arizona:	J35Y6 here, looking for stage 1 upgrades
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