B18C (USA SPEC)
BoreXStroke 3.19 X 3.43 Stroke bring 3.43
B17A1
BoreXStroke 3.18 X 3.2 Stroke being 3.2 Now tell me which motor has a shorter stroke.
http://raceseek.com/honda_specs.htm
B20 Dosnt have the potential of an ls vtec. The B20 has a smaller stroke then if you were to get the gsr stroker kit and put it on the LS block. If you use a strait ls vtec, it dosnt have as big of a stoke as the GSR. I would get an LS block and use a B18C-5 head and use the Crower stroker kit...
JG makes the best cams. Go get some Roller rockers from Crane. Head work is one of the most important things. I Have no idea why someone would say not to worry about it. I would build the head before you do anything else. Ive built a few serious drag motors and I always start with the head.
Anyone ever installed one of these? If so, please tell me how good it is. Ive been told by crower that they will knife edge the crank for you before they ship it out. Did you use it on a Naturaly aspirated or Turbo aplication?
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