A few things at the shop

Anything racing related that is not covered in another forum.

A few things at the shop

Pyro6000
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Pyro6000
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Joined: Jun 3 2006, 07:05 PM

Feb 2 2012, 07:06 AM #1




and this one





Anyone care to take guesses? :D
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Nustyl
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Nustyl
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Joined: Jul 20 2007, 01:40 AM

Feb 2 2012, 01:20 PM #2

Is there a specific reason the crank is polished? <_<

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KJPROX
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KJPROX
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Joined: Jun 30 2006, 12:13 PM

Feb 2 2012, 03:17 PM #3

Ok, prehapes that is a an aluminum big block but not sure on why the highly polished crank, maybe for display.

This motor wouldn't be for a boat would it?

Understeer is when you hit the wall with the front of the car. Oversteer is when you hit the wall with the back of the car. Horsepower is how fast you hit the wall.
BUT Torque is how far you take the wall with you!!
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Jammer
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Jammer
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Joined: Jun 20 2006, 03:40 PM

Feb 2 2012, 04:50 PM #4

i have no idea but one things for sure, those are some very expensive pieces of work. the crank shouldn't need that work on non contact surfaces so who knows - one hell of a show and tell item :D

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upnorthdogg
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Joined: Dec 4 2006, 03:35 AM

Feb 2 2012, 06:46 PM #5

One very expensive boat anchor maybe?
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KJPROX
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KJPROX
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Joined: Jun 30 2006, 12:13 PM

Feb 2 2012, 06:51 PM #6

A ton of TIG welding done on that block too, must be planned to make lots of big HP!!

Understeer is when you hit the wall with the front of the car. Oversteer is when you hit the wall with the back of the car. Horsepower is how fast you hit the wall.
BUT Torque is how far you take the wall with you!!
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Mulsaan
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Mulsaan
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Joined: Mar 10 2009, 03:21 AM

Feb 2 2012, 08:01 PM #7

KJPROX @ Feb 2 2012, 01:51 PM wrote: A ton of TIG welding done on that block too, must be planned to make lots of big HP!!
I'm not sure if I'm looking at TIG welding or machining marks.

The polished crank is for low friction, maybe to move through the oil better. The crank creates alot of turbulance in the case so the smoother it is the less turbulance.

or it's just for show. :D
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Pyro6000
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Pyro6000
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Joined: Jun 3 2006, 07:05 PM

Feb 2 2012, 11:27 PM #8

Mulsaan @ Feb 2 2012, 04:01 PM wrote:
KJPROX @ Feb 2 2012, 01:51 PM wrote: A ton of TIG welding done on that block too, must be planned to make lots of big HP!!
I'm not sure if I'm looking at TIG welding or machining marks.

The polished crank is for low friction, maybe to move through the oil better. The crank creates alot of turbulance in the case so the smoother it is the less turbulance.

or it's just for show. :D
Well, you're the closest so far. :D

That is a cast iron Dart big block that has been CNC-lightened quite extensively. The list of surfaces not machined is the shorter one. This is going to be a 468ci supermodified motor, somewhere around 900hp.

The crank is not a show piece, it is going to be used, and used hard. The polishing will reduce windage (turbulence) indeed, but the primary reason for it is to get rid of all sharp edges where cracks are more prone to start. That one is a 4" stroke small block crank going into a 432ci late model engine, somewhere around 820-840hp.
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robbieracer
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Joined: Jul 24 2006, 04:11 AM

Feb 3 2012, 12:02 AM #9

I was hoping you would have had that engine shipped to me already after what I paid for it.. Very cool stuff. Dowker? is that your company?
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Pyro6000
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Pyro6000
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Joined: Jun 3 2006, 07:05 PM

Feb 3 2012, 03:37 AM #10

Sorry Robbie, but your check bounced.

Yup, that's the shop. Dowker Racing Engines out of Charlotte, Michigan.

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Pyro6000
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Pyro6000
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Joined: Jun 3 2006, 07:05 PM

Feb 7 2012, 07:35 PM #11

We got a few deliveries recently.




More pictures when I have more time to post them. :thumbsup:
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robbieracer
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Joined: Jul 24 2006, 04:11 AM

Feb 7 2012, 09:39 PM #12

very cool. Thanks again for taking the time to show all of us this cool photo story
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Jammer
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Jammer
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Joined: Jun 20 2006, 03:40 PM

Feb 8 2012, 01:55 AM #13

Rich - the block literally looks like it was chewed out with a 1/2" bull nose end mill hanging out 3" and rippin at least 100 in per min. no offence tony :D however the head shows a little more care for appearance, hell - doesn't matter, you have some pretty stout parts their mr. dowker and i'd be so in love if i was milling around your shop. :D

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Pyro6000
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Pyro6000
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Joined: Jun 3 2006, 07:05 PM

Feb 8 2012, 02:39 AM #14

Jammer @ Feb 7 2012, 09:55 PM wrote:Rich - the block literally looks like it was chewed out with a 1/2" bull nose end mill hanging out 3"&nbsp; and rippin at least 100 in per min.&nbsp; &nbsp; no offence tony&nbsp; &nbsp; :D&nbsp; &nbsp; however the head shows a little more care for appearance,&nbsp; hell - doesn't matter, you have some pretty stout parts their mr. dowker and i'd be so in love if i was milling around your shop.&nbsp; :D
Yea, the block was only milled to reduce weight. The funny thing is that they have an iron block rule to save people money... After all the work, that block cost the same as an aluminum one. :hit:

The head is my personal favorite... All Pro is the only cylinder head that I know of banned BY NAME by a sanctioning body. :haha:
Luckily, not this sanctioning body. :thumbsup:

I think I'll post the head pics here, and hit the injection on the next page.









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KJPROX
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KJPROX
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Joined: Jun 30 2006, 12:13 PM

Feb 8 2012, 03:01 AM #15

WOW!! :o :2thumbsup:

Understeer is when you hit the wall with the front of the car. Oversteer is when you hit the wall with the back of the car. Horsepower is how fast you hit the wall.
BUT Torque is how far you take the wall with you!!
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