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 Post subject: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Wed Dec 30, 2009 1:31 am 
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Joined: Wed Jul 30, 2008 4:56 pm
Posts: 125
Location: Meriden Ct
For those of you who don't know who I am my name is Stephen Minore owner/operator of Cas-Am Performance & Restoration LLC located in Meriden Ct. In the past I have been involoved with many Oldsmobile engine builds and restorations. One of them was Scott Pierce's 1969 Olds F-Eightyfive W-31 which was 2008 Hemmings Muscle Machines, Muscle Car of the year. Earlier this year in January Scott got rid of his 1969 F-Eightyfive and replaced it with a 1970 Cutlass W-31. Scott again wants an engine upgrade in the new 1970 W-31 to compete in the Supercar class.

We have all the parts for this engine build and we'd like to give you guys a little insight of how the build will go.
Lets start with the block and modifications, then some pictures of the components that will be used in the build.

We are using the original numbers matching block. It has been alighn honed, decks have been squared and set to Zero. It's been bored and honed only to .030 over with torque plates. (All machine work done by Andy Miller @ Olds Performance Products in Suffern, NY)
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Last edited by STICKW31 on Thu Dec 31, 2009 11:29 am, edited 3 times in total.

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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Wed Dec 30, 2009 11:41 am 
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Joined: Sat Dec 06, 2008 12:59 am
Posts: 618
Location: Watertown,Ct.
Kool pics, will it be ready for the spring??? What kind of power might it make???


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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Wed Dec 30, 2009 12:55 pm 
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Location: Meriden Ct
Thanks Mike,

Yes shooting for Mid 2010 for it's first race out.

Don't know what this combination will make on paper but we'lll be dynoing it at the end of the build to get an idea and post the results. What's my guess on estimated HP........... 400 :roll ?? We would like to get into the mid to low 12's for ET. We will see.


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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Wed Dec 30, 2009 2:33 pm 
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Joined: Wed Jul 30, 2008 4:56 pm
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Location: Meriden Ct
Oil returns in the block have been modified to help get the oil back in the pan where it belongs
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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Wed Dec 30, 2009 2:33 pm 
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Joined: Wed Jul 30, 2008 4:56 pm
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Location: Meriden Ct
Oil restrictors will be installed in all the oil feed holes in the lifter bores for the full roller lifters
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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Wed Dec 30, 2009 2:34 pm 
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Joined: Wed Jul 30, 2008 4:56 pm
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Location: Meriden Ct
Oil galley bosses have been modified to clear the OD of the encased Torrington roller bearing
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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Wed Dec 30, 2009 2:35 pm 
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Location: Meriden Ct
Custom full roller billet camshaft designed by Andy Miller @ Olds Performance Products.
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Encased Torrington roller bearing purchased from OPP.
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Torrington roller bearing thrust bumper, this unique design allows this button to be used in controlling camshaft walk while keeping forward thrust loads and frictional drag to a minimum. Also purchased from OPP
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Last edited by STICKW31 on Thu Dec 31, 2009 11:40 am, edited 3 times in total.

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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Wed Dec 30, 2009 2:37 pm 
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Joined: Wed Jul 30, 2008 4:56 pm
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Location: Meriden Ct
True Oldsmobile Roller lifters
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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Wed Dec 30, 2009 3:01 pm 
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Location: Meriden Ct
Stock 350 Olds connection rod has been shot peened, side clearanced, balanced and reconditioned with ARP rod bolts. Piston is a HEAVY .030 over TRW Forged 350 Olds piston with stock HEAVY pin

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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Wed Dec 30, 2009 3:04 pm 
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Location: Meriden Ct
Original flat top W-31 piston compared to the new TRW forged piston
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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Wed Dec 30, 2009 7:47 pm 
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Keep it going Steve keep it going thanks for all the posted pictures


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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Thu Dec 31, 2009 11:23 am 
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Location: Meriden Ct
Crank is a stock 350 Olds Nodular iron. It has been shot peened, turned/polished .010/.010, and has a stock stroke.

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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Fri Jan 01, 2010 11:37 am 
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Joined: Fri Jul 25, 2008 6:12 pm
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Location: North Salem NY
Nice content guys, lets see some more body pics, its such a nice car......and blue :lol: :lol:


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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Fri Jan 01, 2010 8:35 pm 
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Location: Meriden Ct
Added more pictures Ted under Bench Racing, per your request. Its your favorite color, BLUE!!!!!! :aok :aok


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 Post subject: Re: Supercar Small block W-31 350 Oldsmobile Build
PostPosted: Thu Jan 07, 2010 12:56 pm 
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Joined: Wed Jul 30, 2008 4:56 pm
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Location: Meriden Ct
Look for more new pics this week


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