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Old 08-04-2005, 08:37 AM
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odd small block chev

Well last weekend I cracked my sump at a Rod run in the UK.No big deal I thought I'll get another and fix it. Big mistake my engine is definately a small block Chevy (283 cu in),the oil sump has the deep part in the middle,the pick up pipe is longer than the others and the oil pump has the inlet in a completely different place. Since getting back home on the back of a breakdown truck, I have stripped down the bottom of the engine and found that as well as the above the shaft that connects the distributer to the oil pump is an odd size as well. I can't find any mention of the differences in my rebuild book and several people ,at the show, have never seen a pan with the sump in the middle for a sbc. According to the numbers it was destined for a truck in California. What I would like to know is what vehicle it originally came from,could it have been in a boat?
I will post some numbers from the oil pump when I have degreased it.
thanks
nigel h

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Old 08-04-2005, 09:06 AM
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It would probably also be best to post some pics if you can. There's a good chance someone will recognize it.
You've apparently already checked the block numbers, but post them too.
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Old 08-04-2005, 09:52 AM
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sounds like a small block mopar...
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Old 08-04-2005, 12:29 PM
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odd small block chev

I have added photos to my gallery. No it is not a mopar.The engine numbers are this:
3896944-block number
3795896-head number
E245- manifold number

From these I have been told it was from a truck in 1965. The oil pump that I took off has the following number on it 3790869 GM9.

Hope this helps as everybody that I have talked to this side of the water do not have a clue.
thanks
nigel h
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Old 08-04-2005, 12:45 PM
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That is an odd pan. Never seen one, most were rear sump, early Novas were front sump.

Can we see a picture of the whole engine?
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Old 08-04-2005, 12:54 PM
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Might be easier to have the pan braized than to try to find another.
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Old 08-04-2005, 02:36 PM
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The casting number makes it a 1967 283 block and the heads are 63-65 283 Power pack, or 62-65 327/250HP Vette. E245 is not a valid /complete casting number for an OEM intake manifold. I suspect tis is an after market oil pan for a special installation and the oil pump plumbing has been modified for this pan.

Trees
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Old 08-04-2005, 02:45 PM
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Oil Pan

A lot of the old trucks had center sump pans. It would probably be very difficult to find one. You are probably better off having it welded or changing the pump, drive and pan to something more standard.
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Old 08-04-2005, 03:22 PM
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I think the E245 is the date code, may 24th 1965. I`ve never heard of or seen a center sump small block chevy either.
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Old 08-04-2005, 04:10 PM
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odd small block chev

I am changing it to the more conventional pan.Its just that curiousity has got the better of me and I want to find out more about it.For a start you need to use a normal oil pump,pick up pipe and oil shaft. If as I have just found out you try to use the old shaft it will not make contact with the distributer end, so no oil pressure.Need to drop the sump again,after draining out the fresh oil,to fit the longer shaft. The pictures on my gallery clearly show a centre sump,just as well as most people think I am making it up!!!
Any more suggestions about this oddball
nigel h
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Old 08-04-2005, 06:47 PM
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After more research, I ran across a blurb about the 262 and 305 V8s in the Monzas used a unique oil pan that clears the cross members of the mid or late seventies Vagas, Buick Skyhawk, Pontiac Astre or Olds Starfire (Hbodies) I could not find any pictures, sooo

Trees
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Old 08-04-2005, 07:06 PM
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I got a cheapo chrome oil pan for $20 new at the local auto parts store. You have to check them for straightness because they are cheap. I ran one on my old 307. It never leaked.
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Old 08-04-2005, 07:15 PM
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Quote:
Originally Posted by trees
After more research, I ran across a blurb about the 262 and 305 V8s in the Monzas used a unique oil pan that clears the cross members of the mid or late seventies Vagas, Buick Skyhawk, Pontiac Astre or Olds Starfire (Hbodies) I could not find any pictures, sooo

Trees
Don't have a picture handy but I'm familiar with the 70's Monza pans, they were a rear sump but the forward part of the sump was narrower and shallower than a standard pan. SBC's found their way into all sorts of different equipment over the years like generators, irrigation pumps, fork lifts and combines. My guess is the shortblock came out of a piece of industrial or ag equipment.
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Old 08-18-2005, 06:31 AM
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greetings from Austraia
as Hippie has said it definatly not a Monza pan

i have a 1975 Monza down here & the bulk of the oil is in the rear, the Monza has a very shallow pan in the front

regards
rod
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Old 08-21-2005, 07:24 AM
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odd pans.

Until i saw the photo, I thought you might have been describing an Hk/t/g Holden sbc pan, as they were almost centre sump. But that thing is nothing like them and clearly too ugly for road use. Don,t forget most companies built industrial engines, and that sump is too deep for marine use as they tend to sit low in the hull. A pump or back up generator perhaps?
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