Thought I'd mention that I now have the patterns in house for the 4200 rear sump pan - they still need some finishing work before I can head to the foundry. Getting closer....

Pattern pics please
Mike

Neat, any news on what they might cost when they make the trip?

Or is it too soon to tell?

too soon to tell.....

Thanks, keep us posted.

http://img408.imageshack.us/img408/9264/p3050816.jpg 4200 oil pan partial pattern

Very nice.

Is that the inner mold buck, or the outer (core positive?)?

Just curious (not that up on casting, but I try and learn as I read).

Thanks.

Outer core positive. I'm learning to...

Thank you.

That looks good. I hope the availability of a pan will encourage a lot more use of the 4.2. I know my friend Dan would have liked one. He did a LOT of frame mods to get that thing in his pickup. The pics here are a year old and he's been driving it a lot now. It's an impressive runner. With all the the things you have developed for this engine and the power you are making I can see it really catching on. Dan's 4.2

Progress... the patterns are at the foundry....

I have 2 castings on order to sort out fixture issues and sort of the machining. 3 weeks away

great news
mike

Sounds good.

Well its been a while - time for an update.

Just before the inliner's convention I picked up the first casting and the patterns - had a few modification to make.

Now 6 weeks later the patterns have been updated and are back at the foundry. Now waiting for them to try one cast and see if the patterns are Ok to start pouring 1st off production pans.

The fixtures to machine the pans are 99% complete - just need assembly.

Once I get word the they are ready to start pour production part I'll post again.

^
Got a persistent oil leak. I'll keep waiting.

Well progress made today, the foundry called and said come on up here - we need you to look at the 2nd trial casting... so 5 hours later I got it back to the shop and its good.. just need to rebuild the core box... something about hot metal and plywood...kind of got charred a bit.. the internal and external patterns are good too go.

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[url=]rsop3[/url]





So once the core box is back at the foundry, we'll start pouring production quality pans. info@emtechmotorsports.com for more details.

Looks Good.

How much oil did you design it for?

5 US qts with a filter change. The casting is thick enough that if folks needed to make a change - its unlikely that it would warp during welding.

That thick wall also means that you can add doors, baffles, etc. where you want them either directly (welded), or welding a small block to the inner wall and bolting it on.

Update - fixture is 99% ready - will be complete tomorrow then its off to the machine shop.

First trial machining pan + fixture is at the machine shop....

progress.. finally!

Cool,
if possible,could you post a pic of a stock pan next to your custom pan?
Thanks

MBHD

Once I get them back - yes

First off is done.
[image] http://s176.photobucket.com/albums/w186/curt160/Marcs%20stuff/?action=view¤t=000_3880.jpg [/image]
Side by side pictures here.
Now it’s back to Marc for test fitting.

That looks really good guys!

That should go a long way in creating more interest in these engines. Nice comparison the the stock pan.

Been a long road to get to this point...

Fingers crossed on the test fit.

Curt,

Nice job on the machining!

Marc

EFI

I've been following your posts here and specifically about the 4200 Vortec. I'm looking for a heart transplant for my 65 C10 and looking at all options. First off let me state I know nothing about this engine other than it has a good reputation as a solid motor. I want to run a 5 or 6 speed standard in my truck what tranny options would I have with one of these. Do they use a common bell housing pattern? With your turbo setup what kind of power are you seeing and what has to be done to the internals to get it? Like I said I know nothing about this engine.

Thx M5

Ps I'm in Calgary.

I did a search and answered quite a few of my own questions.

M5

Looks very nice!

Thanks for the pics.

MBHD

First pan is sold - one more is getting machined shortly. info@emtechmotorsports.com for ordering.

Marc, remind me, how deep is the sump?

Roughly about 1.5 to 2" lower than the bottom edge of the transmission bellhousing flange. I'm out of town right now - if you need an exact measurement I can get it on Oct.2

Yes, please. I made my pan exactly 6" from the block skirt. Anything more and it would protrude below the crossmember.

Marc, is this designed to fit the Early '50s Chevy and Jimmy trucks with the Straight axle?

Not sure if we are going to run that way first (straight axle) or not.

I need to take a close look at a stock framed truck. Maybe hard as the last car show up here was last weekend.

What I can do is give you a measurement from the back of the cab to the front of the oil pan sump.

My truck has a '78 nova clip installed.

Pan is 6.78" deep from the pan rain to the bottom of the sump. 11.3" from the bellhousing flange to the from of the sump. 2.3" deep in front of the sump.

My fabricated pan hangs below my cross member so I added a wedge ramp in front of the pan welded to the bottom of the cross member.

updated pix... oil pan

Thanks.

Some measurements to help folks out...

"Can you provide the distance from the crankshaft centerline to the bottom of your cast pan?"

Roughly 2 13/16" from centerline to the pan rail

Then add

Sump is 6.8” deep from the pan rail to the bottom of
sump

The front section of the pan is 2 5/8" deep from the flange to the bottom
outside of the pan.

Front of the sump is 11.3" from the transmission flange

Allow -0/+1/8" tolerance.
__________________

4200 oil pan raw casting before any machining is done. This is pan #2.

The patterns are ready to do the next production run now, if your interested, now would be a good time to let me know so I can get the right number cast/machined.

Marc [url= Uploaded with ImageShack.us]4200 RSOP[/url]