Did anyone else see the photo of the very tough looking CA18 in last months
Zoom ? It was supposedly making very big hp.
-----Original Message-----
From: Andrew Denniss [mailto:[EMAIL PROTECTED]]
Sent: Friday, 4 May 2001 5:47:pm
To: [EMAIL PROTECTED]
Subject: Re: Power output of a CA18det?
I looked at stroking my CA18 with CA20 crank ect. The crank was not the
problem
getting custom rods ect was going to be the expensive part also all that
work
for only a small gain in capacity the ca20 has bigger bore. Im aiming at
400hp
with my next stage of development with cams solid lifters bigger valves ect.
shoudl be a handfull I feel this would be at it limit without going bigger
better bottom end parts have heard of over 500hp from some jap spec ca18det
180sx it run 10's!!! The ca18 engine is very compact and very strong I have
been
fairly harsh on my engine big 4th gear burnouts ect even running 20psi it
runs
without problems :) just regular mobil 1 oil changes. The engine will be
appart
for a while after the house -workshop is completed getting the headwork done
and
look forward to getting it tuned ect time will tell how it goes in the HP
stakes
I dont really want to run anymore than 20psi (have run upto 25psi ) and get
as
much as possible hopefully around 270-280 at the wheels. (lots of fun in a
little 1200)
Cheers Andrew
Tom Richardson wrote:
> 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?
>
> > G
> 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....
> >
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