b16a2 , b16b Q's
besides adding the type r intake, cams, pistons, what has to be done to a b16a2 a b16b? Some type of porting or valve job, but does anyone know the specifics (diamter, angles)?
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Re:b16a2 , b16b Q's
Both engines are basically exactly the same. However the type R engines are hand built, have ported and polished internals, higher duration and lift cam profiles, higher domes for raised compression on the pistons, lighter crank, lighter valves, double springs in the valve train and a lighter conrod. These are some differences internal to the engine. The intake manifold is slightly larger on the type r and is curved upwards unlike the non type Rs. The exhaust manifold is lighter and polished for better flow. JDM spec have a 4-1 header style whereas the AUS spec have 4-2-1 like every other one.
This is a quote from someone else Its pretty much correct im not sure why you would want to do this i would much rather build it for a turbo it would be faster and cost about the same if not much cheaper depends on what you are trying to run but whatever good luck |
Re:b16a2 , b16b Q's
Is the ecu from a type r different from a si?
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Re:b16a2 , b16b Q's
yes it is
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Re:b16a2 , b16b Q's
piston has a 7mm dome with bigger valve reliefs...comp rings pushed lower...skirts are longer and wider to reduce vibration...oil ports under the piston on wrist pin hole...Molybdenum coated pistons for low friction...the connecting rods are made of high chrome carbon steel...crank has a tetra-methyl lead coating with smaller rod bearings...intake mani has a larger penlum with larger, shorter runners..fuel curve and timing totally bumped up..
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Re:b16a2 , b16b Q's
this guy knows his ----
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Re:b16a2 , b16b Q's
I'm surprised no one has mentioned this yet.
The CTR and ITR motor use the same block, which is taller than B16A blocks. The only differences between a CTR and ITR motor are CRANK, RODS, CAMS. The CTR is basically a 1.8L ITR motor de-stroked to 1.6L so it revs like none other. |
Re:b16a2 , b16b Q's
Originally Posted by blundar
I'm surprised no one has mentioned this yet.
The CTR and ITR motor use the same block, which is taller than B16A blocks. The only differences between a CTR and ITR motor are CRANK, RODS, CAMS. The CTR is basically a 1.8L ITR motor de-stroked to 1.6L so it revs like none other. Thats what i was going to post.. but you beat me to it :-P I just learned that like 2 months ago. |
Re:b16a2 , b16b Q's
The cams are the same parts number between the 2 motors.
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Re:b16a2 , b16b Q's
only the exhast cam is the same...the intake is diff.
hond. part number 14111-PCT-000 ctr intake cam ex-235 ctr ex-235 itr ex b16(2gen)p30-227 in-243 ctr in-240 itr in b16(2gen)p30- 240 in b16(1gen)-230 but the lifts are diff....thats where theres a semi power dif. and lost motion assymbley is larger on the b18c1,c5,b....the b16 has smaller ones. |
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