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How do you tell if a car is matching numbers?
Posted: Thu Oct 26, 2006 7:13 pm
by IanMcLeod
All.
I own a 1973 2.4E. The chassis number and engine number match the V5. Also the engine number is correct for a 1973 2.4E engine. Engine has all the correct parts on it. Car also has the right MFI unit, gearbox etc so it looks like the engine / drive train is original.
Also E engines have a reputation of being very robust so no reason to suspect an engine has been "grenaded" in the past and required replacement.
So does that mean it is a matching numbers car or is there a way of getting from Porsche the original engine number the car left the factory with?
I have no reason to suspect it's not matching nor any proof it is other than that stated above. Wondered how when people claim "matching numbers" they know for sure.
Thanks.
Ian.
Posted: Thu Oct 26, 2006 8:25 pm
by hot66
Porsche can supply ( for a cost of approx £65) a build info sheet that will have the original engine number on it.
My 2.4S is confirmed matching numbers

Posted: Thu Oct 26, 2006 8:32 pm
by Alan @ CanfordClassics
Hi Ian,
Without the build sheet there is nothing to prove it against. You have reviewed many of the ID indicators which are used to suggest if it is matching numbers. You can also review the vin number and engine number to see if they are in the same zone (ie- low/ high ID numbers).
Alan
Posted: Thu Oct 26, 2006 8:59 pm
by IanMcLeod
Thanks that's exactly what I needed to know.
I shall contact Porsche and pay for a build info sheet. Hopefully that will confirm the original colour as well. I am 99% sure from the history the car used to be white, as it says on the V5, but woud like to make sure as the car is about to have a full respray.
Also be interested to see if it originally had a sunroof or not.
Ian
Posted: Thu Oct 26, 2006 9:01 pm
by tanick
I sent a fiver (ish) to the DVLA who gave me all the V5's, including the first one which showed the original vin and engine numbers. If you do a search this has been discussed before.
Posted: Thu Oct 26, 2006 9:04 pm
by hot66
The V5 thing is OK if your car is an original UK car, but if the car was imported many years after its production then it might not be of huge use
Posted: Thu Oct 26, 2006 9:24 pm
by IanMcLeod
Original RHD UK car so it sounds like a fiver to the DVLA would be money well spent too. Going for the build sheet as well though as now I know these are available I am interested to know how the car was when it rolled out of the factory.
Posted: Thu Oct 26, 2006 10:53 pm
by Highfield
Sorry to hijack, but I got my V5 back today, and want to get the Porsche CoA (£65 approx) - where do I write to, and does anyone know exactly how much it is - does it apply to all cars, as mine was exported to the US ?
I need the CoA to prove it was manufactured 1/9/72 - 31/8/73 to get an 'L' reg, as it is currently on an incorrect 'M' reg.
Posted: Thu Oct 26, 2006 11:20 pm
by tanick
You need to call Porsche GB head office in Reading. I can't remember the lady's name but you send the cheque to:
Porsche GB
Warranty Dept
Bath Rd
Calcot
Reading, Berks
RG31 7SE
Trouble is I can't remember exactly how much it is. Phone them.
Posted: Thu Oct 26, 2006 11:23 pm
by tanick
he V5 thing is OK if your car is an original UK car, but if the car was imported many years after its production then it might not be of huge use
Yes forgot this only applies to UK reg'd cars. I seem to recall threads about contacting the DMV in whatever US state these nice, cheap, rust-free cars come from.

Posted: Fri Oct 27, 2006 12:07 am
by 210bhp
"I shall contact Porsche and pay for a build info sheet. Hopefully that will confirm the original colour as well. I am 99% sure from the history the car used to be white, as it says on the V5, but woud like to make sure as the car is about to have a full respray"
Ian
Can't have been white. Not a 73 colour for an E. Ivory or light ivory maybe.
Regards
Mike
Posted: Fri Oct 27, 2006 1:14 am
by pmjt
Highfield wrote:Sorry to hijack, but I got my V5 back today, and want to get the Porsche CoA (£65 approx) - where do I write to, and does anyone know exactly how much it is - does it apply to all cars, as mine was exported to the US ?
I need the CoA to prove it was manufactured 1/9/72 - 31/8/73 to get an 'L' reg, as it is currently on an incorrect 'M' reg.
The PCA (Porsche Club America) offers excellent service - check out the link at the bottom of the page:
http://www.pca.org/members/
I know Mark (912UK) has done this on several of his cars so might be able to give some advice?
HTH
P
Posted: Fri Oct 27, 2006 9:54 am
by IanMcLeod
210bhp wrote:
Ian
Can't have been white. Not a 73 colour for an E. Ivory or light ivory maybe.
Regards
Mike
As the V5 just says generic "White" you could be right. Also could have been changed to white at some time from whatever colour it started out as.
I believe white was introduced as a 73 colour where as ivory was for both 72 and 73. Are you saying white was not offered on E models but on say S and RS models only?
Ian.
Posted: Fri Oct 27, 2006 9:57 am
by 210bhp
Ian
GP white not a 72 or 73 colour on any model except the RS
Regards
Mike
Posted: Fri Oct 27, 2006 10:05 am
by IanMcLeod
210bhp wrote:Ian
GP white not a 72 or 73 colour on any model except the RS
Regards
Mike
You beat me to it!. Just read other thread and came back over to say no need to reply. You are fast on here ...
Ian.