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i have a b16A1 should i ditch my block and put the b20 long block is it a big improvement is it a good comboif tuboing will be in future plans!? :confused
 

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b20 vtecs are very good for turbo applications but if you already have a good b16, ill say you shouldnt gut it out for a conversion. buy a head and block elsewhere for your b20 and use your b16 for now, its more fun than you think.
 

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pretty large. The b20 not only has more displacement but it's stroke is considerably longer...so that makes much more torque.

However...for a turbo application b20's aren't good at all unless you resleeve them. Their stock sleeves are known to crack..they are designed very poorly.
 

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maacb16 said:
i have a b16A1 should i ditch my block and put the b20 long block is it a big improvement is it a good comboif tuboing will be in future plans!? :confused
Swapping out a B16A for a B20 longblock will net you anywhere from a 12 to 42 horsepower loss, depending on which particular engine models they are.
 

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Targa250R said:
Swapping out a B16A for a B20 longblock will net you anywhere from a 12 to 42 horsepower loss, depending on which particular engine models they are.

WTF?? otherway around don't you mean? b20 VTEC is a beast... Some guy here in Jersey is unbeatable with his CRVTEC EK Hatch, All Motor boooy.. His Hatch just screeams all the way to 9K.
 

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raceinspiration said:
I'm guessing that it's just a typo...since when does more displacement mean less power for a Honda...?
A USDM B20Bx longblock is rated at 126hp and a USDM B20Zx longblock is rated at 146hp. A 1st-gen JDM B16A longblock is 158hp, a 2nd-gen JDM B16A longblock is 168hp, and a USDM B16A3/B16A2 longblock is 160hp. You can do the math.

More displacement means more torque, but not necessarily more power - since power is a function of both torque and RPM.
 

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the title of the thread is b20VTEC. not should I switch out a b16 longblock for a b20 longblock.

jeez. You guys knew what he meant.
 
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