Help A Newbie - 1969 H/O Original Block Question
#1
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Help A Newbie - 1969 H/O Original Block Question
Hello - Long time Olds fan and prior owner of numerous 442's, but have been out of the game for 20+ years. I want to re-join the olds brotherhood and have located a highly detailed/restored 1969 Hurst Olds that supposedly retains the original engine block. The car has plenty of documentation regarding being a "real" H/O, but can someone help me identify if the block is indeed the original (i.e., what info is needed and where is it found)? The only info i have at the moment is the VIN, and I know the engine is a 396021F. Any help is greatly appreciated!
#2
look for the VIN # stamped onto a pad on the engine block. that will tell you if the engine is the original to the car or not.
pad is located under the number 1 spark plug drivers side. you will need a mirror to see it.
pad is located under the number 1 spark plug drivers side. you will need a mirror to see it.
Last edited by scottv442; October 13th, 2017 at 08:20 AM.
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Thank you! Very helpful ... it's been too long and i have forgotten waaaay too much of my olds knowledge!
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Thank you! Correct "D" heads and manifold are present ... so that's a good start. Next up is to verify the VIN stamped on the block matches the VIN on the dash. I didn't know if the VIN's match on a '69 Hurst given they were doing an "end around" on the 455 corporate ruling by using Hurst, but sounds like they should match if all is correct.
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#8
The VIN derivative stamp on the block was a federal requirement in 1969. It would have been against the law to not have the stamp on the block. And, as noted above, the 455s were installed at the factory. Otherwise, there would have been no way to assemble the cars and move them off the assembly line. How would the trans have been supported?
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The VIN derivative stamp on the block was a federal requirement in 1969. It would have been against the law to not have the stamp on the block. And, as noted above, the 455s were installed at the factory. Otherwise, there would have been no way to assemble the cars and move them off the assembly line. How would the trans have been supported?
#11
Either that or the stamp is very faint and difficult to read (seen that also). If there really is no stamp, it's not original. Certainly check the date code on the block casting.
#12
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Thanks Joe! Where exactly is the date code located on the block? I have a picture from the owner with a code "396021F", but i don't think that is what you are referring to in this case.
#13
#14
double check the intake manifold is the J code with the correct pcv port and choke, alot of fakes out there and there are oem intakes with the J too, but dont have the PCV and that intake is a $10,000 intake
#15
The run-of-the-mill 1968-69 intakes have a "J" on the passenger side. The unique 69 H/O intake has the "J" on the driver's side.
#18
That's the casting number and is the same for all 1968-72 455 blocks. The date code is at the back of the block, near the distributor hole. The three digit number is the Julian date (363rd day of the year). Typically, the block date code should be within about a month prior to the build date of the car, but can be up to 90 days prior.
Joe, Do you know what the stampings above and below the "363" represent? Thanks.
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Thanks for all the information ... very helpful. I passed on the '69 H/O I was originally considering because I determined, with your help, the block was not original. So, still in the market for an #'s matching '69 H/O with air conditioning. Speaking of that ... does anyone know how difficult it would be to install AC on a non-AC car? There is, what appears to be, a numbers matching '69 H/O for sale in Canada but it doesn't have A/C and that's a "must" for me.
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Joe - Slippery slope indeed. Didn't realize it was that big of an undertaking. Not going down that road ... will continue the search for #'s matching with A/C.
#23
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I've finally located an original unrestored '69 H/O with AC. The car is in need of a total restoration, but it is in running condition and decent overall condition (#3-). Anyone have a recommendation for a top quality restoration shop for this vehicle? A Midwest location is preferred but not necessary.
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