s21 b16 trans - Honda-Tech - Honda Forum Discussion


s21 b16 trans

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Old 09-21-2010, 08:26 PM   #1
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Default s21 b16 trans

ok guys im looking for some info on my trans!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
i recently swapped out the motor in my 94 canadian si coupe(d16z6)
for a b20vtec, and it has a rhd eg6 b16 trans which is really really close geared!!!!!!!
my question is why do people say that the usdm em1 trans are the same gear ratio as my s21?????????
i had an em1 and driving 60mph means 3000rpm
in my ej1 driving 60mph means 3500rpm
whats the difference??????????????????????????????????
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Old 09-21-2010, 08:46 PM   #2
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Default Re: s21 b16 trans

Same gearing, just an older version tranny, thats all



S4C/Y21 (USDM B16A2, B16A3; JDM SiR2, JDM SiR2 w/LSD)____3.230___2.105___ 1.458____1.107____0.848____3.000____4.400
Y80/S80 (JDM B16B w/LSD; JDM B18C 96-spec R w/LSD)_______3.230___2.105___ 1.458____1.107____0.848____3.000____4.400

I have an extra one lying around myself, along with the oem LSD option
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