Hf trans
 

I have a hf trans. And I like the gear ratio it has. I wanted to know how much power can this trans. hold, and what would be better. Rebuild it or get an stronger trans?

Re: Hf trans
 

If you are staying D-series, Get a CRX Si Transmission, they have a nice gear ratio, Every D-series I have had, I have putten a Si CRX tranny on. It all depend's on how you drive the car, hell D-series transmission are cheap and pretty durable.

Re: Hf trans
 

Yeah DOHC, I like the si tranny, But I have always been in love with the hf Tranny since I have seen what it can doo with a lil power behind it. I know the hf will lose some accel to an si, but in the long run I think the hf has the si. I just don't know how much power it can hold.do ya think it can hold between 170 and 190? If it can i will most likely upgarde later to an si. The motor is an zc dohc.

Re: Hf trans
 

Hell yeah it can, My friend had a 240whp Dseries with a Si crx tranny that lasted for two years under hard driving..

Re: Hf trans
 

well first off can a d series fit a ZC? and i can testify that a si trans is IMO the way to go. single cam all the way the bank.

Re: Hf trans
 

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ZC is a D-series motor so, Yes it will fit.

Re: Hf trans
 

DOHC, do you know what mph to rpm your friend was hitting in each gear? I know with the hf and ecu and motor upgrades I am doing about 95 in 2nd @ 9000rpm's

Re: Hf trans
 

Holy crap, long ass Gears. When I had my CRX with a D16y8 and CRX si tranny I was hitting a lil near 20mph in first around 7k and 43mph in second around 7k and so on....Once my boy gets his car running again, with his swap I'll take down the mph and RPM, btw I'm mike so you dont gotta call me DOHC haha.