New engine concerns and observations

[amalventano1@comcast.net (Allyn)]

Nate,
    What did you do as far as mounts during the swap? With brand new mounts (only poly up front),
the rieger still gets enough vibration to slightly shake the rear view mirror at 2900-3300 rpm
(makes the stuff behind me look a little up/down blurred). It does this even at standstill with no
torque on the motor. You can feel the vibration at your feet as well.
Hope this helps,
Al

Allyn Malventano, ETC(SS), USN
87 Rieger GTO Scirocco 16v (daily driver, 170k, rocco #6)
86 Kamei Twin 16V Turbo Scirocco GTX ('it has begun', rocco #7)
87 Jetta 8v Wolfsburg 2dr (daily driver, 260k, 0 rattles, original clutch, driveshafts, wheels :)

----- Original Message -----
From: "Nate Mellom" <bronson@inwave.com>
To: "Scirocco List" <scirocco-l@scirocco.org>
Sent: Monday, April 01, 2002 6:35 PM
Subject: New engine concerns and observations


>   Well, it was a good weekend in VW-land.
> First of all, I got to put almost 300 miles on my new motor, I almost
> used a full tank of gas!!
> My concerns:
>
> Starts right up, all the time, everytime. Idles well, sounds good.
> Accelerates well, up until 3000-3100. Then I get some vibration, I can
> feel it in the shifter and gas pedal. At interstate speed (75mph,
> 3400rpm) it seems to smooth out, and when accelerating from 70 the
> vibration is less. The cam lights up around that time too, and it takes
> off. But I'm worried about the vibes, I'm really hoping they aren't
> bad.....This is the '84, JH with the Autotech cam (268*), 4-2-1 exhaust.
> I did a valve shim check, and everything was within specs. Brakes are
> finally not crunchy amymore, but they are a bit soft. Pedal goes down a
> ways, but then they grab and are predictable. Not a lot of pedal feel,
> however. Not bad for sitting over a year, I guess. My Redline'd 4K
> shifts nice and smooth, I still need a bit of adjustment. Oil pressure:
> I know it's good (with having a guage and all), but occasionally my
> isiot light will run while idling or low revs. I replaced the lower
> sender when I swapped the motor, and the dual-output sender is of
> unknown age. Which sender controls the idiot light? At idle, when warm,
> I'm showing about .5 bar at the top of the motor. Suspension has finally
> loosened up and is responding, it rides nice and handles well
> (stock/non-performance shocks/springs).
> Even with the cam and better exhaust, it feels a bit sluggish. Maybe
> it's because I'm used to driving the free-revving, much more hardcore
> (as far as creature comforts are concerned) '81 (vinyl vs. cloth, open
> cabin vs. tighter, more composed cabin, etc).
> Anywho, I'm enjoying driving my car, and I'm getting used to it again.
> The 2 cars are on completely opposite sides of the spectrum, blind-fold
> me and I could NOT tell you they were the same car.
>
> My car decided to cause trouble coming home from bowling Friday night, I
> blew a tire coming home on the interstate. I had lent my spare to a
> friend, so I didn't have one. Luckily a friend was home, and up
> (1:30am), so all was not lost. Anyone know of a source for Pirelli HP
> tires? Have 'em on my car, never seen 'em before.
>
> On Friday, I saw 3 Corrado's and a red MkII Rocco. Both of which are
> rare cars around here.....
>
> Nate
> '81
> '84
>
>
>
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