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'69 427 435 Motor

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Old Apr 16, 2017 | 09:27 PM
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Default '69 427 435 Motor

Hey Guys,

Visiting from the C1 & C2 section, and have a question for you C3 guys.

I'm currently running a '67 "JE" code 427/435 motor in my '55 Nomad. I know it's worth quite a bit of money, but I really don't have an interest in selling it.

But I've recently come across a '69 "LR" motor. I'm told it's original bore with less than 40K original miles on it.

Unfortunately, it does not have the tri-power unit as the owner took it off to place it on another motor. It does have a four barrel unit on it along with the chrome valve covers.

I'm sure it needs to be gone through as it's been sitting for several years.

I tried to obtain a VIN on the block and I think I was able to get most of it. It looks to be 18S734XXX.

Pretty sure the block letters are 3963512. But it was hard to move the crap surrounding it to really get to it, so I may need to get a better look at it.

Anyway, what would be a decent price to pay for something like this?

Thanks, Pat
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Old Apr 16, 2017 | 09:33 PM
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The motor is worth most to someone with the actual car that matches the VIN.
Otherwise its basically just another big block.
You might want to post this in the general section instead of the for sale section to get other opinions.

If its a 69 the vin should read 19S7xxxxx
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Old Apr 17, 2017 | 12:42 AM
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Last year i could have snagged a 68 427 435 for 600.00 i passed because i wasnt allowed to inspect it at all, and i am way too cheap and OCD to pay for scrap metal gamble
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Old Apr 17, 2017 | 01:10 AM
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Moving "whats it worth?" question thread from Parts For Sale to General Discussion.

Last edited by vettebuyer6369; Apr 17, 2017 at 01:12 AM.
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Old Apr 17, 2017 | 07:28 AM
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LR is 69 427/435
IR is 68 427/435


like already said, if its a 69 partial vin should be 19S not 18S.


value wise, to the person with that cars VIN- its priceless. To everyone else its just another big block


512 blocks do seem to bring a premium though. I'm guessing because folks want them for restamps.


if it looks clean I'd be in the $2,000 ballpark on it, given the premium the 512 block brings.
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Old Apr 17, 2017 | 09:47 AM
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Originally Posted by ptjsk
Hey Guys,

Visiting from the C1 & C2 section, and have a question for you C3 guys.

I'm currently running a '67 "JE" code 427/435 motor in my '55 Nomad. I know it's worth quite a bit of money, but I really don't have an interest in selling it.

But I've recently come across a '69 "LR" motor. I'm told it's original bore with less than 40K original miles on it.

Unfortunately, it does not have the tri-power unit as the owner took it off to place it on another motor. It does have a four barrel unit on it along with the chrome valve covers.

I'm sure it needs to be gone through as it's been sitting for several years.

I tried to obtain a VIN on the block and I think I was able to get most of it. It looks to be 18S734XXX.

Pretty sure the block letters are 3963512. But it was hard to move the crap surrounding it to really get to it, so I may need to get a better look at it.

Anyway, what would be a decent price to pay for something like this?

Thanks, Pat
It could be junk. Are the original rods, pistons, crank still there? Are they undamaged? Or is there a ****-Fong brand of parts where the GM reciprocating used to be? Pull the pan, valve covers et al and have a look, then decide what you want to pay. If the crank is standard cross-drilled original Tuftrided GM its probably easily worth $2k. A full set of pink rods, standard no damage, $800.

Dan
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Old Apr 17, 2017 | 11:26 AM
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Dan I think you prices are a bit on the high side.


Right now there is are several NOS cranks on eBay for $2k, used for half that. and if you dig hard enough I know of guys who bought NOS ZL1 cranks for $1k.


There is a set of NOS 7/16 rods for like $700. think I saw a used set of 3/8s rods for $200.


I've been watching a lot of this 427/435 stuff for awhile now (I bought a L89 back in December) and while its all listed for big money, none of it is selling. Most of the high dollar vette stuff I see listed over and over again on ebay.
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Old Apr 18, 2017 | 09:52 AM
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"I'm currently running a '67 "JE" code 427/435 motor in my '55 Nomad. I know it's worth quite a bit of money, but I really don't have an interest in selling it."

If the car it originally came in still exists, the price you could get for it might buy another car.
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Old Apr 18, 2017 | 12:07 PM
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You won't know what it's worth until you disassemble it and find out what condition it's in and if it is all original. The value is what you are willing to pay for potentially a really good boat anchor.

Last edited by OldCarBum; Apr 18, 2017 at 12:08 PM.
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