Ditto
My 2.0L shortblock is also b&b. Combined with a p&p 2.0L head and 256 cams
(I'd love to upgrade, but I'm valiantly trying to call a halt to any more
upgrades), a lightened flywheel, my car revvs like crazy. It starts to pull
strongly at about 4,3K. It produces maximum hp at 6,500, but it pulls almost
as strongly to 7 or 7,1K.
Not only does the b&b shortblock make my motor more revv happy, but it also
helps to make it sound very sweet.
Chris
-----Original Message-----
From: vw racer [SMTP:[email protected]]
Sent: Wednesday, May 16, 2001 1:24 PM
To: [email protected]
Subject: Re: Driving impressions of Autotech Cam set... (long
long long)
My 2035 revved great, but I think the balancing and lightening had alot
to
do with it.
Fred
>From: Clayton <[email protected]>
>To: [email protected]
>Subject: Re: Driving impressions of Autotech Cam set... (long long
long)
>Date: Wed, 16 May 2001 10:14:00 -0700
>
>Hi Denis,
>Ya know, I sort of have had the same thing happen to me on my car, only
>the opposite. I have a nice rabbit converted to 16v's. The person who
>built the car was meticulous, anal retentive, and spent lots of money
on
>the car. It had a 1.8l though and I could never understand why someone
>would put all this work into their car and leave a 1.8l in there. When
>I would take the car out to the green river road and blast it, I was
>always ***amazed*** at how quick the car was. On the track, it was a
>thing of beauty. It would rev to the redline and keep building
power...
>I felt like I needed another 750-1000 rpms because I was wasting
>something by not revving higher. Well, too much of a good thing is not
>possible so I installed a 2.0l bottom end. Absolutely no other
>changes... just a straight swap. What I received was great low end...
>but a marked decrease in the top. Before, if I started out bogging the
>car in first and just kept if floored, the power would build and build
>and build all the way to red, then do it again in second. Now, it
>starts coming on down low and starts spinning the tires at around
>4000rpm. It runs out of steam around 6000 rpm, as compared to the 1.8l
>though. Thought it might be cams, so I stuck in a set of Schrick
>268's. Feels a bit better now but still isn't the same feel as before.
>I can only imagine how your car feels with the 2008. Anyway, long
story
>short, I achieve aproximately the same speed at the end of the
straights
>and the car has the same top speed as before, but the car is not as fun
>to drive around. Been thinking about doing a 1.8l with the 2.0l
pistons
>to end up with a slightly more powerful engine that dosen't have all
the
>problems that come with stroking a motor. Another thing that might
help
>all this is putting Motronic in. I don't think CIS-E is up to fueling
>the bigger motor with lots of mods...
>Clayton
>
>
>
>
>Date: Tue, 15 May 2001 23:26:41 -0400
>From: "Denis P. Goldman" <[email protected]>
>Subject: Driving impressions of Autotech Cam set... (long long long)
>
>Ok, now that I have a few days to play around with the new set, I have
=
>mixed emotions. =20
>
>Back in the day, my old 1.8 used to be a fast revving fun motor. =
>Lightened flywheel, euro intake, tt black box, made this motor a lot of
>=
>fun, but no power down low. Then I went to a high compression 2008cc
=
>motor. Wow. The low end power of this thing was absolutely sick. =
>Quite a quick car. That's how the motor was until this weekend....
>
>Now with the new cams in, the motor has turned into a higher revving, =
>power-up-top engine. This isn't a bad thing, as plenty of low end =
>torque is still there. But it just doesnt snap your head into the seat
>=
>at 3000rpm anymore. Instead, starting at about 2500 on to about 6500,
=
>the power is very steady, and just builds and build and builds. My =
>friend said the motor feels somewhat like a VTEC now. Now, I am =
>assuming this is due to the fact that the new camset has a much wilder
=
>exhaust cam, with higher lift, etc. Idle hasn't changed at all by the
=
>way. Sounds very much like stock, and is very steady (not like a 268
on
>=
>an 8v 2.0l). Anyway, the thought has even crossed my mind to put the =
>old euro intake back in along with my stock exhaust cam.
>
>Then there comes the whole idea of cam timing.... I know for sure now
=
>(100% sure) that my cams and my crank are in complete sync with each =
>other. I avoided that whole part of 'tightening the timing belt and =
>throwing off your timing' problem. I was thinking I could mess with my
>=
>cam gear some to shift the power band down a bit (being as I would like
>=
>the motor to peak at 6000rpm, not 6500rpm). But I don't even want to =
>mess with the perfect cam-to-crank timing. Ignition timing is pretty =
>good with little or no ping, with the compression it still has to be =
>somewhat retarded from stock. Maybe a degree or two. And my fuel =
>mixture should still be around 2.5-3ma. I haven't checked since last =
>summer, but it shouldn't have changed (plus I always have the black =
>smoke cloud behind me when I am at wide open throttle).
>
>Lastly, the car doesn't run so great when cold. I mean, worse that it
=
>used to when cold. Could this be a thermotime sensor or a coolant =
>sensor problem? Neither have ever been replaced in over 5 1/2 years, =
>but I always thought they just went bad, with no intermediate stage. I
>=
>have to run over the tests in the bentley when I get a chance...
>
>Thanks for listening to my rambles. If anyone has any ideas on where
my
>=
>low end grunt may have gone, please feel free to let me know. (and =
>don't tell me its because its a wilder cam set and thats what happens -
>=
>I know this) =3D)
>
>BTW, anyone have shrick 260's with a 2L on the list? How is your power
>=
>down low compared to stock? Being that the Autotech cam set and 260's
=
>are somewhat comparable...
>
>Thanks,
>Denis G.
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