New L88?

Thom Godward tgodward at yahoo.com
Tue Jun 19 05:24:16 GMT 2001


dont worry...GM is sticking with pushrods...in the
works for 2003-04 for the vette is variable valve
timing, exhaust and intake, all controlled by a single
cam in the block using valving and oil pressure. it is
a pretty neat design. it is said that the new vettes
will have 450 hp base. i think they are looking into
it for the 3.4 and 3.8 also...


--- Bruce <nacelp at bright.net> wrote:
> 
> I've seen the Comp Cam Optitron in operation.
> No water pump in operation in the testing I saw.
> No oil on valve springs for cooling, and they go
> crispy and fail, same with
> overheating a motor from coolant lose.
> 
> Bearing and ring friction are bigger slices of the
> HP loose from internal
> engine stuff, and they have been making progress
> there.
> 
> There are so many considerations, HP being only one
> element.
> Bruce
> 
> 
> 
> > I think that the LS1 is a fantastic motor.  the
> gains with the new LT1 &
> LS1
> > are great I think.  I do think though that the
> pushrod motor is going to
> > come to an end shortly.  I don't know what is 
> coming next but it is
> > interesting what you can do w/o all that valve
> train.  has anyone seen how
> > much heat & noise that just the valve train makes?
>  it is incredible.
> comp
> > cams (I think that it was them) has a Valve spring
> test fixture.  they
> spin
> > a piston less engine w/a an electric motor.  It
> generates soo much heat
> that
> > they have to run the water pump & such to keep the
> motor down to 150 or
> 160
> > Deg (or there abouts).  this blows me away.  the
> person that wrote the
> > article said that it sounded like the motor was
> running it made so much
> > noise.
> 
> 
>
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