G-Grind - How about a K-grind?

[joe at analogsix.com (Joe)]

We pulled the 1.6 out of my brother's '79 and installed an RV out of a '91
digifant GTI.  Would the 1.6 cam have more lift/duration than the RV?  Also,
isn't the RV a hydraulic lifter head and the 1.6 a solid lifter head?

Joe

-----Original Message-----
From: scirocco-l-bounces@scirocco.org
[mailto:scirocco-l-bounces@scirocco.org] On Behalf Of Dan Bubb
Sent: Tuesday, May 25, 2004 2:37 PM
To: T Berk
Cc: Rocco list
Subject: Re: G-Grind - How about a K-grind?

.369 and 212 degrees duration for a stock 1.8 cam.
If you want to replicate a diesel torque curve the "K" is the cam to do it.
The stock 1.8 cam is one of the weakest out there and just putting in a 1.6
cam is a bump in HP.
Also, I'd guess that if you had a 4K gearbox attached to your JH then your
highway mileage would
suffer since you'd be cruising at it's power peak instead of its torque peak
(or at least close to
it)
Just as an aside an engines efficiency is generally best at its torque peak
so cruising at that RPM
or close to it will get you the best mileage. Theres lots of caveats to this
but generally true.
Dan


> Check out the blurb:
> > This cam is for low end power and torque (idle-4000max rpm).
> > OEM cam for Euro spec Caddy (pick up).
> > Better fuel mileage than US spec cams.
> > Intake .334" lift @ 199 degrees duration.
> > Exhaust .353" lift @ 209 degrees duration.
> >
> > Price: $20.00
> >
>
> Now, I'm wondering what 4kMax RPM means, I think it means the gains in
> power start diminishing after 4000 rpm, not that it'll hit some kind
> of wall or rev limiter or fly to pieces if you exceed those revs.
>
> Who can expand on the K-Grind cam? I'm thinking it makes for a great
> JH mod in a daily driver.
>
>
> TBerk
>
>
>
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