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Which engine is better a b18 or a b20 over all in performance?
Wiki User
∙ 12y ago
b20- 145 hp- 6800 rpm
b18a or b18b- 143 hp 6800 rpm
b18c1 -180 hp -7400 rpm
b18c5-210 hp- 8400rpm
if you can get ahold of a b18c1 , not cheap, but overall performance, better hp, low end and top end, but depends on budget.
honestly, neither, do what i did. I got the block from a b20b and used a b18c1 head, and wired the vtec i make about 201hp
you have to think about torque.
the b20z makes 133lbs of torque that's 6lbs more than the b18a/b and 8lbs more than the GSR.
Low to midrange torque is what gets you moving from a dead stop.
The final decision of which is "best" varies individually of the person using the engine and their needs.
And yes you can add a vtec head to the nonvtec bseries engines.
But theres no way possible you will make 201 hp(not at the crank and def not at the wheels) on stock bottom end and head. Plus you cant spin a b20vtec to gsr redline so its not going to be the same no matter how you look at it.
Wiki User
∙ 12y ago
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