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#40568 03/13/08 01:42 AM
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efi-diy Offline OP
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This is most likely a long shot here, however, I'll ask anyway.

When I get my turbo manifold done if anyone else wanted one, once the CNC mill is setup its a not hard to knock out extras.

http://www.steedspeed.com

Time frame is mid-end of April. I'll post a revised mainfold design shortly.

Last edited by efi-diy; 03/13/08 01:42 AM.

51 GMC 4.2 turbo
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I have seen their site before kinda pricey But great looking peices when they are done. But when you figure in all the R&D time it's not so bad.


Larry/Twisted6
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shocked God doesn't like ugly.
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Being billet - it won't crack like cast manifold or burn through like tubular headers. Basically a manifold for life.


51 GMC 4.2 turbo
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i sure am glad you are doing the hard work. developing parts from air is hard. you need to start writing a book. tom


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65 Chevelle Wagon and 41 Hudson Pickup
Information and parts www.12bolt.com

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I went to the website but couldnt find much on prices, products sure look good.

I am going to build a turbo charged 292 for my 50 chevy coupe and am interested on some more information.

Sammy

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Need to add the flanges and its done.

Last edited by efi-diy; 04/08/08 12:00 AM.

51 GMC 4.2 turbo
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Also I maybe working on a variant that hangs the turbo under the manifold.


51 GMC 4.2 turbo
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For the 292 if your doing a lower pressure install (e.g. under 14 psi) check with Tom - he has a cast manifold that already to go. I also have a set to turbo flanges for sale check the classified ads.


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efi-diy Offline OP
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Final cut on the turbo manifold - Working on the wastegate flange and adapter now.

b43gp3.jpg][/URL]

http://img444.imageshack.us/img444/4577/fb43gp3.jpg

Last edited by efi-diy; 04/10/08 12:32 AM.

51 GMC 4.2 turbo
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Looks nice.
Is there a provision for a wastegate?

MBHD


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Yes,

If you look at the pix, you can see 2 ports in the bottom of the manifold under the turbo flange, the waste gate will be attached there.


51 GMC 4.2 turbo
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Sorry its been so long, Im on so many forums I cant always remember where I posted what.
Those pix look very interesting, a lot of work so far Im sure. Im still a turbo nubie and reading Corkys book, again.

My engine is about ready to go, I need to build a head. The car is getting a nova clip this coming winter, this car is in need of everything. So from a design standpoint, its a clean canvas.

Im still trying to decide whether or not I want to go with a carb(s) or fuel injection, which I also know little about lol.

The main goal of the car is for local cruising. I want it to be dead reliable. I have built so many radical hotrods that should not even be street drivin, that this time around I want something I can put the family in and go with little to worry about, I must be getting old.

292 bored 60 (301)? 5spd likley out of a s10, and a 68 nova rear end, havent checked the ratio yet. To give ya an idea where Im headed.

Thanks
Sammy

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Final design with wastegate port.

turbo flange - GT42
wastegate - tial 48mm

Vortec 4200 '06 and up

Rough weight 32#

Last edited by efi-diy; 04/14/08 02:29 AM.

51 GMC 4.2 turbo
Can't solved today's problems using the same technology/thinking that created them

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