That would be & is the case S, Owner can just hope the rebuilder isn't machining numbers of more than 1 block / type at a time or things could get complicated, Like sending your block to GEM engines here in Sydney which was the preferred method of many Holden 6 engines during 70's-80's-90's-Millenium & beyond as they're still doing it today......
Re stamping engine question
Started by
lakeside
, Apr 01 2014 06:58 PM
35 replies to this topic
#26
WhaleOilBeefHooked
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Lord Humungus The Ayatolla of Rock N Rolla.
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Posted 02 April 2014 - 09:08 PM
#27
yel327
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Posted 03 April 2014 - 05:45 AM
Might not be appropriate asking here but if the engine number is deleted while getting the block decked is it illegal to restamp the number back on to the same block it came off?
Whether it is illegal or not who knows, but it still happens today.
#28
_LXSS350_
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Posted 03 April 2014 - 03:38 PM
As I once worked for several years with a worldwide Japanese car manufacturer whenever (at least 50+ per year in Oz) we did warranty short/long/complete engine replacements we simply re-stamped the new engine with the old engines numbers.(many went back to japan). Some of these engines had done up to 20,000km before being replaced.
Never once did any legality issue come up or get mentioned, because to us it was the same as us doing a warranty engine rebuild and having to replace the crank, heads, rods, pistons, valves etc. The fact that the block was replaced was relative as many time we didn't have to replace it but it worked out cheaper than the labour to rebuild it would have.
I do think that many here think that if the engine has been changed that something is shonky or changes the originality of the car but it didn't in practical terms.... Being a multinational that is open to big class action law suits nothing they did would have been illegal.
As someone above says ..... if this was the case then everyone better start a very bloody big list on what has changed since your torana left the factory. My god the exhaust, bolts, nuts, piston, rings, headlights, switches, wiring the list is endless. Be easier to list what original parts are left than what's not original.
Edited by LXSS350, 03 April 2014 - 03:47 PM.
#29
Kirk
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Posted 03 April 2014 - 04:37 PM
Did the Jap engines have cast dates?
My engine has police a police number because the original got machined off and the engine builder refused to re stamp it.
#30
_LXSS350_
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Posted 03 April 2014 - 06:01 PM
Yes they had separate casting date numbers (used fiche to x-ref actual cast date) on anything cast from the block, heads, manifold, transmission etc.
Everything done in service is done in quadruplicate and all records ended up in the national database and back to Head office in Japan on a monthly basis. They stayed right on top of any issues. If a problem starts anywhere in the world then Head Office can narrow it down asap. They did a lot of running changes during model runs so any warranty replacement part had to be the exact p/n (even though we had the new or older parts that would fit in oz) many required a special order out of Japan that took much much longer.
#31
StephenSLR
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Posted 05 April 2014 - 07:23 AM
I do think that many here think that if the engine has been changed that something is shonky or changes the originality of the car but it didn't in practical terms.... Being a multinational that is open to big class action law suits nothing they did would have been illegal.
I agree with you.
There's also the case where manufacturers have leftover parts from previous/different models with stamps/dates that, to the unacknowledged look like there was foul play but this is how it was/is when you have leftover parts. If there's paperwork or proof it was done by the manufacturer I personally think it gives the car some provenance or at least some individuality. Everyone loves telling a good story about their cars when it's a little different to the rest of the pack.
s
#32
_Borninsteel_
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Posted 14 April 2014 - 07:58 PM
Monday, April
Hey guys, this is no Bull..
For what its worth to y’all 
About 6 years ago, when I started researching Torana engine numbers from Perth, I phoned the old REVS register in NSW and a lady told me that they do have engine numbers that are duplicated, sometimes, but nothing is done about it because its not illegal .
Unless she was feeding me bull? 
Monday, April
Hey guys, this is no Bull..
For what its worth to y’all
About 6 years ago, when I started researching Torana engine numbers from Perth, I phoned the old REVS register in NSW and a lady told me that they do have engine numbers that are duplicated, sometimes, but nothing is done about it because its not illegal .
Unless she was feeding me bull?
Edited by dattoman, 14 April 2014 - 08:04 PM.
#33
N/A-PWR
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Posted 14 April 2014 - 08:02 PM
This Block I got in the WB, has two Engine numbers, the Original one, and at right angles is the second one starting with a 'W'. Dave I
#35
Rockoz
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Posted 15 April 2014 - 05:46 PM
Mate of mine bought a VN Commodore from an Auction.
Was ex government car and the auction house was the government disposal place.
About 3 months after purchasing the car he had a visit from Federal Police.
Apparently the car he bought shared an engine number with another car.
After a few checks of deails he had to take the car to a place that did Blue Slips and have the engine number modified.
Its a while ago but I think all they did was add a prefix or suffix to the existing number.
What pissed him most is that it cost him about $80 to have it done.
He was a mechanic but only authorised to do Pink Slips, and he had his own stamps to do the job.
But the Feds said no way, had to be done by the authorised place.
Apparently the Feds were involved because the other vehicle was interstate,
So somewhere along the line engine numbers get checked and verified.
#36
yel327
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Posted 16 April 2014 - 10:09 AM
GMH regularly had duplicate engine and chassis numbers. They just added an R to the end to make the second one unique.
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