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L88 engine value?

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Old Jan 26, 2014 | 01:36 PM
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Default L88 engine value?

I just picked up a 69 427 for my car and looking at numbers it's an LO suffix which is 430hp and correct for late build of 512 block. Has vin still on it, so could be potential jackpot for original car owner. Not sure what to do with block now that it's (I believe) an original l88. Are there any other things I can look for to verify? Has been rebuilt but not decked. Thanks for the help.
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Old Jan 26, 2014 | 02:10 PM
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That's quite a find. Since original engine L88's fetch a 10-20% ($50k-$100k)premium over cars with replacement blocks I'd estimate it could be worth $30-50K to the owner of the car the engine was mated to in St. Louis.

I suggest you ring Kevin McKay at Corvette Restoration. He knows where most L88's are located - and would love to know about where you found the block as the beginning to sleuthing where the original car may be - if he doesn't already know. He's restored a number of historic Corvettes now worth millions.

Last edited by 66L36Coupe; Jan 26, 2014 at 02:13 PM.
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Old Jan 26, 2014 | 04:18 PM
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Originally Posted by papisox
I just picked up a 69 427 for my car and looking at numbers it's an LO suffix which is 430hp and correct for late build of 512 block. Has vin still on it, so could be potential jackpot for original car owner. Not sure what to do with block now that it's (I believe) an original l88. Are there any other things I can look for to verify? Has been rebuilt but not decked. Thanks for the help.
Very interesting find! What has it been rebuilt with? Is it just a short block, or do you have correct cylinder heads, intake, carburetor, etc.?
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Old Jan 26, 2014 | 05:49 PM
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Its just another 4 bolt main engine to everyone except the car with the blocks vin number....got to be out there somewhere...I suppose one could always make a L-88 car with a 69 core and a lot of work...could pay off however......
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Old Jan 26, 2014 | 06:18 PM
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I think in this case it's a little more than just a 4 bolt main big block. 427s carry a premium over all other big block motors to begin with, and if you can prove it's a real L-88, then that's going to add more value. And of course, the most value will be to the guy that owns the car it came out of.

A 427 makes any old muscle car that much cooler. I wish I had one in my car.
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Old Jan 26, 2014 | 07:27 PM
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Can you post a picture of the engine pad? I know where a lot of the cars are located and would be happy to assist you.
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Old Jan 26, 2014 | 07:38 PM
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Originally Posted by SBR
Can you post a picture of the engine pad? I know where a lot of the cars are located and would be happy to assist you.
Very interesting ,,

What if you find the car but already has a 427 in it?....something is definitely wrong....the correct engine is in the posters possession......
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Old Jan 26, 2014 | 09:03 PM
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for some purist to hock a kidney for it wouldn't it have to have the correct heads, water pump intake etc etc?
So you can rebuild and make a "new" L-88 and get like 50k for it?????
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Old Jan 26, 2014 | 09:21 PM
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Originally Posted by SBR
Can you post a picture of the engine pad? I know where a lot of the cars are located and would be happy to assist you.
Yup or at least give us the last five digits of the VIN on the pad.
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Old Jan 26, 2014 | 10:06 PM
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Originally Posted by LeMans Pete
Very interesting find! What has it been rebuilt with? Is it just a short block, or do you have correct cylinder heads, intake, carburetor, etc.?
Just heads, no intake or anything above it, has oil pan, timing cover etc. I literally just got it, so didn't even check the heads and stuff for numbers yet. Suffix and date on vin pad match for build date. Don't think anyone faked it but who knows, any other ways to tell for sure? Didn't pay a premium so seller definitely didn't market it like an L88 to get more money. I'll grab numbers and stuff when I get back to shop.
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Old Jan 26, 2014 | 10:07 PM
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Originally Posted by qwank
I think in this case it's a little more than just a 4 bolt main big block. 427s carry a premium over all other big block motors to begin with, and if you can prove it's a real L-88, then that's going to add more value. And of course, the most value will be to the guy that owns the car it came out of.

A 427 makes any old muscle car that much cooler. I wish I had one in my car.
Any suggestions how to prove it?
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Old Jan 26, 2014 | 10:10 PM
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Originally Posted by papisox
Any suggestions how to prove it?
nope, not my area of expertise. I bet Mike Ward knows though
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Old Jan 26, 2014 | 10:18 PM
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Originally Posted by Mike Ward
Yup or at least give us the last five digits of the VIN on the pad.
I'll grab them when back at shop. What is rough value of 512 block rebuilt if not an L-88 just for comparison?
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Old Jan 26, 2014 | 10:45 PM
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Originally Posted by papisox
I'll grab them when back at shop. What is rough value of 512 block rebuilt if not an L-88 just for comparison?
Many 512 blocks for sale on ebay.

http://www.ebay.com/sch/i.html?_odkw...at=0&_from=R40

The engine suffix will be the clear identifier. I believe the 3963512 4-bolt block had no identifying features for an L88 - same as the L68 and L71 in 1969.

If the VIN pad does appear legitimate, I believe Al Grenning will be the man you want to contact.

http://ccas4vettes.com/pr01.htm
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Old Jan 27, 2014 | 12:08 AM
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papisox, not to be nosey. How much did you pay and where did you find such a wonderful find. I have been looking for a reasonable 427, my car is missing the 427, but I have a 502 in it now. Thanks and good luck finding the owner, did you look on the C-3 registry.
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