The CA18DET has 1.77" diameter connecting rod journals, so an L20b
crankshaft (1.96" journals) to give 1861cc would need the block clearancing.
SR20DET would also give 1861cc. An FJ20 crankshaft would actually DEstroke
the motor (80mm stroke) and give 1731cc. CA20 crankshaft would give 1904cc.
My 2 cents though: it would be much easier to wind the wick up on the turbo
and leave the bottom end alone. CA18DET's are not weak motors!
- Tom
----- Original Message -----
From: "Wojee" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, May 03, 2001 11:43 PM
Subject: Re: Power output of a Fj20det?
> Guys, I would love to get a hold of a ca18det out of say a silvia or
180sx
> (i would buy the car with the motor ... duh.. hehehe) and put in a crank
> and rods out of a 2 Litre, (possibly FJ20 T ????) and I would love to
see
> the numbers it would make with as standard everything else...... ie AFM,
TB,
> intercooler + plumbing, injectors, computer (if it will handle the
increased
> capacity) So i have done nothing else but increase the capacity a little,
> and compare it to a equally standard SR20DET equivalent. I think , like
> Andrew says, that they are under rated.... I actually like the valve train
/
> actuation of the CA compared to the SR........... Although I am
wondering
> what the port sizes (inlet/exhaust) are compared to the SR??? Basically
> what i am chasing is to find out if the both engines had the same capacity
> would the power output be the same.... standard engines... no boost
> increase....
>
> Bottom line if they produce the same hp ( allow 5% difference) .....
both
> at 2L capacity ... I am getting a CA18DET and stroking it!!!!! hehehehe
>
> I haven't typed a reply for ages so i get a little excited as you can see.
> hehehe.. seriously though... what do you fellas think???
>
> Wojee :O)
>
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