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balancing.

When it comes to lightening a flywheel, what's a good weight for a street car? I know too light can give you problems but I'd rather not put something in that's a pound or 2 heavier than it needs to be.
 
Dan




>From: "L F" 
>To: "shawn f" ,"Adrian" 
>CC: scirocco list 
>Subject: Re: balancing.
>Date: Wed, 29 Oct 2003 15:37:39 -0800
>
>Don't worry about your lightweight flywheel.
>Unless your lightweight flywheel isn't balanced....
>
>Larry
> ----- Original Message -----
> From: shawn f
> To: Adrian
> Cc: scirocco list
> Sent: Wednesday, October 29, 2003 2:57 PM
> Subject: Re: balancing.
>
>
> Very good and interesting read.....Hmmm make me wonder about my 
>lightweight flywheel.....
> ----- Original Message -----
> From: Adrian
> To: 'Dan Bubb' ; 'Mark' ; 'shawn f' ; 'scirocco list'
> Sent: Wednesday, October 29, 2003 12:17 AM
> Subject: RE: balancing.
>
>
> Here u go .. hope this article will clear it up for you.
>
> http://www.grapeaperacing.com/GrapeApeRacing/ttramblings/dampers.pdf
>
>
>
> Adrian C.
>
> Project Scirocco R2.oT - "The Turbocharged 16Valves of Fire Breathing 
>Fury"
>
> ( 2.0L 16V T66 )
>
>
>
> -----Original Message-----
> From: Dan Bubb [mailto:jdbubb@ix.netcom.com]
> Sent: October 28, 2003 4:10 AM
> To: Adrian; 'Mark'; 'shawn f'; 'scirocco list'
> Subject: Re: balancing.
>
>
>
> Can you explain what "retune the harmonics of the crankshaft" means?
>
> Or was he just appalled that you'd put a heavy stock pulley on his 
>beautiful lightened crank?
>
> Dan
>
> ----- Original Message -----
>
> From: Adrian
>
> To: 'Mark' ; 'shawn f' ; 'scirocco list'
>
> Sent: Tuesday, October 28, 2003 4:24 AM
>
> Subject: RE: balancing.
>
>
>
> The reason why they need the pulleys is that need to retune the
> harmonics of the crank shaft once its been balanced.
> My machinist after he knifeedged my crank he took a look at my 
>pulley
> and looked at me and said:
> This is garbage... if I put this back up we didn't really accomplish
> anyhting cuz were just putting back some more weight.
> So I guess he got me aluminum one. From where he got it, I have no 
>clue.
>
> The engine is almost complete.
> Rods and pistons are still back ordered (dammit why do they have to
> always give you a hasle with custom stuff!
>
> Head will be done soon and will post pictures of it :)
> - Ported and Polished ( 2.0L 16v )
> - Head Converted to Solid Lifters
> - Black Nitrided SS intake Valves and Inconel Exhaust Valves
> - Valves are .5mm oversized and 1mm back cut for better flow.
>
> Now I'm a bit confused on whatever I should wait for UMS or get the 
>DTA
> unit.
> Either way I will have to look at fitting the Gm sensorsso it's a 
>toss
> up between the $2500 CAN ECU or the $250 Can ECU ;)
>
> Adrian C.
> Project Scirocco R2.oT - "The Turbocharged 16Valves of Fire 
>Breathing
> Fury"
> ( 2.0L 16V T66 )
>
>
> -----Original Message-----
> From: scirocco-l-bounces@scirocco.org
> [mailto:scirocco-l-bounces@scirocco.org] On Behalf Of Mark
> Sent: October 27, 2003 9:25 PM
> To: 'shawn f'; 'scirocco list'
> Subject: RE: balancing.
>
> I don't think they'll be grinding any metal off of the pulleys... 
>My
> guess is that they bolt it together with the crank and material gets
> taken off of the crank if it's out...
>
> Mark.
> 80 S
> 81 S ABA/JH/4K
>
> > -----Original Message-----
> > From: scirocco-l-bounces@scirocco.org [mailto:scirocco-l-
> > bounces@scirocco.org] On Behalf Of shawn f
> > Sent: October 28, 2003 12:09 AM
> > To: scirocco list
> > Subject: balancing.
> >
> > Well since my engine build got delayed i decided i should get it
> balanced.
> > They (the machinist) want my Rod, one set of con rod bearings, one 
>set
> of
> > rings, The crank, flywheel and bolts, cluch, pressure plate, front
> srocket,
> > with bolt and pulley. I was wondering i sanblasted (another get 
>air
> tool i
> > got recently, sand blasting cabinet) the parts pulley and sprocket
> that is
> > and was wondering if it would be ok to paint these parts. Just
> wondering
> > if they mind i guess it doesnt matter. Problem i was thinking is 
>if
> they
> > have to grind some of the parts there goes the paint. I guess i 
>can
> touch
> > any areas ground down. But then that may throw it out of balance
> again.
> > Anyone know how much redline i can expect. I relize that i still 
>need
> a
> > better cam and stronger springs in the future, but when i get some
> good
> > springs what redline can i expect. Any things i should stress with 
>the
> > machine shop? Any advice would be great...
> >
> > Shawn F
> > _______________________________________________
> > Scirocco-l mailing list
> > Scirocco-l@scirocco.org
> > http://neubayern.net/mailman/listinfo/scirocco-l
>
>
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