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Old Jun 26, 2007 | 04:51 PM
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i recently bought a 350 small block from a guy and he said that it could have possibly came out of a vette, how can i determine if it did?
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Old Jun 26, 2007 | 07:51 PM
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I'm not sure why it matters. There is really no difference for most passenger car blocks. If you are planning to build for performance, you know the type of block you need and the casting numbers that you want. A 350 is worth the same weather or not it came out of a vette or not. Unless its dated and coded for someone who wants it. Than they will pay a little more.

All casting numbers and engine assembly suffix codes are searchable on the internet. If you have a Corvette, what dates and stampings are correct matters most.

What casting number and engine suffix code is it?
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Old Jun 26, 2007 | 07:54 PM
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Depending on the 350 and year made, Corvette 350s had 4 bolt main bearing caps, so if you pull the oil pan, and it only has two bolts per main bearing cap, it probably didn't come from a vette.
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Old Jun 26, 2007 | 08:19 PM
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Say what?? My original is a two bolt!! Yes, corvette!!!
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Old Jun 26, 2007 | 08:34 PM
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L82=4 bolt
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Old Jun 26, 2007 | 08:35 PM
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Originally Posted by 69monzacpe
Depending on the 350 and year made, Corvette 350s had 4 bolt main bearing caps, so if you pull the oil pan, and it only has two bolts per main bearing cap, it probably didn't come from a vette.
L-48's were 2 bolt, L-82's are 4 bolt. Both are used in Vettes.
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Old Jun 26, 2007 | 09:28 PM
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If the block pad at the front of the pass. side head has what looks like a serial number and some other numbers it could be a Vette engine. Unless it's a high compression 427 or all-aluminum smallblock it's pretty much like any other Chevy 350. I hope you didn't overpay because it's a 'Corvette' engine.



Rick B.
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Old Jun 27, 2007 | 09:00 AM
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Numbers stamped on the pad at the front of the right head. You should find two stampings. Jot them down and post them here.


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Old Jun 27, 2007 | 10:15 AM
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Don't Vettes have ram horn manifolds?
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Old Jun 27, 2007 | 02:11 PM
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Originally Posted by gkz
Don't Vettes have ram horn manifolds?
Some. Won't mean a thing if the manifolds are not on the block. Pad stamps are conclusive.

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Old Jun 29, 2007 | 04:30 PM
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My '69 base 350/300HP is a 4 bolt bottom end. I guess they may have changed that in later years when they got wimpy!
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