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balancing. / Shot peening my rods?



Yeah i was going to phone around and see how much it is. However being a
avid DYI'er i would like to research it anyways....
----- Original Message ----- 
From: "Anson Clement" <ansonivan@yahoo.com>
To: <scirocco-l@scirocco.org>
Sent: Tuesday, October 28, 2003 8:00 PM
Subject: Re: balancing. / Shot peening my rods?


> You can probably get your rods shot peened at a shop for the cost of
materials.
>
> just my 2 canadian cents (bloody things are still rattling about in my
wallet from my last visit)
>
> L F <rocco16v@netzero.net> wrote:
> The shot looks like tiny little black spheres.... about .020" in diameter.
> Since they are more dense than abrasive, your sandblaster may take more
time to do the same job, but I think your chances of success are good.
>
> Larry
> ----- Original Message ----- 
> From: shawn f
> To: L F
> Cc: scirocco list
> Sent: Tuesday, October 28, 2003 4:12 PM
> Subject: Re: balancing. / Shot peening my rods?
>
>
> I plan on turboing in the future so i woundn't mind adding strength. If
grinding and then shot peening help i should do it anyway...Just wondering
if a can shot peen in my sandblasting cabinet. If i can find the shot
peening material (i am new to the shot peening process) I do know what shot
peening is but not what the actual shot looks like etc.....
> ----- Original Message ----- 
> From: L F
> To: shawn f ; Joe Doty
> Cc: scirocco list
> Sent: Tuesday, October 28, 2003 5:35 PM
> Subject: Re: balancing. / Shot peening my rods?
>
>
> Grinding (to remove stress risers) is different from shot peening (done to
introduce a compressed surface, thereby reducing chance of crack
initiation), done for these different reasons.
> With low hp engines (such as the VW 8v), it's hardly necessary, but it
won't hurt!
>
> Larry
> sandiego16v
> ----- Original Message ----- 
> From: shawn f
> To: Joe Doty
> Cc: scirocco list
> Sent: Tuesday, October 28, 2003 3:12 PM
> Subject: Re: balancing. / Shot peening my rods?
>
>
> Ok so if a grind them smooth (the sides of my rods) i dont really need to
> shot peen? Hmmm maybe a wont bother anyway then. Just figured lighter rods
> are easier on everything as well.
> ----- Original Message ----- 
> From: "Joe Doty"
> To: "shawn f"
> Cc: "scirocco list"
> Sent: Tuesday, October 28, 2003 4:59 PM
> Subject: RE: balancing. / Shot peening my rods?
>
>
> I wouldn't bother with shot peening unless you plan on making more than
> 300hp.
>
> Joe
>
> -----Original Message-----
> From: shawn f [mailto:falzsf@mts.net]
> Sent: Tuesday, October 28, 2003 2:59 PM
> To: Adrian
> Cc: scirocco list
> Subject: Re: balancing. / Shot peening my rods?
>
> Yeah i just have stock pistion (1mm overbore though), ARP head studes,
> ARP
> conrod bolts. Crank, is shaved done .25MM. I was thinking of grinding
> the
> rods a little bit like they show in the performance VW book. Then you
> need
> to shot peen it. I was just wondering if i can shot peen with me
> sandblaster
> cabinet. Do i need too just buy shot peen pellets? If so where can i
> find
> them. I tried princess auto but they didnt carry anything like that. Any
> ideas anyone?
> ----- Original Message ----- 
> From: "Adrian"
> To: "'Adrian'" ; "'Mark'" ;
> "'shawn f'" ; "'scirocco list'"
>
> Sent: Tuesday, October 28, 2003 3:25 AM
> Subject: RE: balancing.
>
>
> > BTW
> > Depeneding on what parts are used engine balancing will add anywhere
> > from 500 - 2000 extra RPM up top!!!
> >
> > 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 Adrian
> > Sent: October 28, 2003 1:24 AM
> > To: 'Mark'; 'shawn f'; 'scirocco list'
> > 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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> >
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> >
> >
>
>
>
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