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balancing. / Shot peening my rods?



that is what i thought, i am wondering if i can shot peen with a
sandblasting cabinet or is a shot peener a different system entirely

----- Original Message ----- 
From: "Jeff Toomasson" <jtoomasson@yahoo.com>
To: "shawn f" <falzsf@mts.net>
Cc: "scirocco list" <scirocco-l@scirocco.org>
Sent: Tuesday, October 28, 2003 5:16 PM
Subject: Re: balancing. / Shot peening my rods?


> Don't do _either_ .  If you grind your rods without shot-peening them,
> you'll actually reduce their overall strength.
>
> Read the book a little more closely.....   ;)
> ----- Original Message ----- 
> From: "shawn f" <falzsf@mts.net>
> To: "Joe Doty" <Joe.Doty@lcnetwork.com>
> Cc: "scirocco list" <scirocco-l@scirocco.org>
> 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" <Joe.Doty@lcnetwork.com>
> > To: "shawn f" <falzsf@mts.net>
> > Cc: "scirocco list" <scirocco-l@scirocco.org>
> > 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" <adrian.culda@sympatico.ca>
> > To: "'Adrian'" <adrian.culda@sympatico.ca>; "'Mark'" <mardak@cogeco.ca>;
> > "'shawn f'" <falzsf@mts.net>; "'scirocco list'"
> > <scirocco-l@scirocco.org>
> > 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
> > > > _______________________________________________
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> > > > Scirocco-l@scirocco.org
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> > >
> > >
> > > _______________________________________________
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> > >
> > >
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> > > Scirocco-l@scirocco.org
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> > >
> > >
> >
> >
> >
> > _______________________________________________
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> > http://neubayern.net/mailman/listinfo/scirocco-l
> >
> >
> >
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