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Old 06-18-2006, 08:34 AM
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Sbc 400 Oil Pan

i bought a alum oil pan from summit racing a few years back was gonna put a 350 in tbucket but left it go and just go fig now i put it together with a 400 small block problem is summit catalog says there would be a problem in a 400 or a 383 stroker so i called them they said it will fit but i will need to notch where crank weight hits pan ive put pan on and off 3 times turned eng over cant see where comes close any one have idea ? thanks i have another post where im having problem with the frame any help

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Old 06-18-2006, 09:08 AM
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Well, the stock pans are slightly dimpled in like 6 spots, I would take a look at a stock one and see where the dimples are and match them...I never had issues with 400's or 383's on stockers
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Old 06-18-2006, 10:06 AM
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The last time I pulled my 383 I thought I would change to a recently refurbished pan. When I got it back together I couldn't figure out why it wouldn't turn over by hand. I then noted that the old pan had some very slight indentations at places along the pan rail.

I would say that if you can turn it over without it hitting on the stand you're probably ok. Don't forget each engine has slight differences due to core shift.
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Old 06-18-2006, 10:31 AM
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sounds good i can turn over with no problem at all with it on and there are no marks inside pan i was just wandering if there was concern when eng was running and hits 4or5 k rpm thanks for replys
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Old 06-18-2006, 06:34 PM
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well, weither it's by hand or 8000 rpms the crank doesnt move outwards...
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Old 06-18-2006, 07:41 PM
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well in that case ill just put the lil booger back on and forget about it all i need know is to fig out the suspension problem and ill be a happy camper
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Old 06-18-2006, 08:01 PM
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In 1982 I went to all the trouble of cleaning up a stock small block oil pan, knocked out a dents it had, got it all cleaned and painted so I could bolt it to my '73 400 small block.

Got the pan on, fired the engine and instantly learned I now had a nice, loud squeal out of my 400. I could not figure out what the noise was or the cause of it? Then it hit me, it's the oil pan I just put on.

So I drained the oil, pulled the pan and sure enough the crank was hitting the pan in the front.

Maybe this is why summit says their pan isn't for a 400 small block?

While I cranked my 400 over I didn't hear a thing out of it? After it fired I sure did.
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Old 06-18-2006, 08:23 PM
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I used a stocker on my old 406 for 3 years....
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