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Old new stock L28 F54 P79? Remanufactured?


McGruber21

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Hi fellow Z owners,

I need some help, I believe I own a time capsule. An L28 F54 block flat top pistons p79 head maybe 1981, Old new stock dealer replacement engine???? Has anyone heard of this? I have researched the engine and have only found various specification about the mechanical aspect of the engine but not any history.

I acquired the engine from a local z collector in Tucson AZ, he explained to me that the Engine was only broken in by the manufacturer and has not been in a car. He also said that in the late 70's and early 80's Nissan dealerships sold factory engine replacements and that this engine was one of them. The engine has always sat on an engine stand indoors collecting dust, I opened up the valve cover, which revealed a pristine aluminum head with factory markings (red paint on the cam shaft ect), I presume the rest of the engine is just as clean and pristine. The man seemed very knowledgeable about Z cars and was very trustworthy, so i bought the engine (still a very nice clean L28 engine, even if it isnt a factory dealer replacement engine). I have no paper work from the dealer proving that it is a factory replacement Engine but at the front bottom of the block is a sticker which reads { REMANUFACTURED ENGINE }  and then lists identification numbers. any input would be great :) (sorry the picture is blurry, I will take better complete pictures later.)

~McGruber

post-48898-0-26380800-1464566799_thumb.jpg

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You may want to pull the head and check the bores. At one point Nissan unloaded a bunch of NOS short and long blocks. I bought one of the short blocks and it was fine but I heard from a couple people that found rusty bores on the long blocks after they pulled the head.

 

Derek

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You may want to pull the head and check the bores. At one point Nissan unloaded a bunch of NOS short and long blocks. I bought one of the short blocks and it was fine but I heard from a couple people that found rusty bores on the long blocks after they pulled the head.

 

Derek

Thanks for the response.

Ok Ill take a look at the bores. Would you agree that the engine is worth more than a used F54 P79 engines simply because it is practically brand new??? or are they the same in value?  

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Looks like a very nice Nissan rebuilt engine that is probably worth more than a used Nissan engine.  I'd pay more.

 

So your next question will be "how much is it worth"  And the answer will be whatever somebody pays for it.  You found a nice find.  Not a whole lot more to the situation.  What are are you planning to do with it?

 

Modern technology has advanced to where it's probably cheaper to buy a bore scope (depending on your phone or computer) to check the bores than a new head gasket.  Bore condition would be interesting, as noted above.

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Looks like a very nice Nissan rebuilt engine that is probably worth more than a used Nissan engine.  I'd pay more.

 

So your next question will be "how much is it worth"  And the answer will be whatever somebody pays for it.  You found a nice find.  Not a whole lot more to the situation.  What are are you planning to do with it?

 

Modern technology has advanced to where it's probably cheaper to buy a bore scope (depending on your phone or computer) to check the bores than a new head gasket.  Bore condition would be interesting, as noted above.

Currently its up for sale, I need some cash to help my current RB swap. sometime this week ill take off the head and inspect the engine and ill post what i find.

Do you think who ever rebuilt the engine slapped on that sticker on the front of the engine?

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Don't pull the head, use an inspection camera through the plugs.

 

You pull the head, it's just another batch of parts.

Ill get a hold of an inspection camera.

I googled the part Number off the remanufactured sticker 1010B-P9203RE and came up with this website http://www.nissanpartsdeal.com/parts/nissan-reman-engine-as~1010b-p9203re.html I emailed the company and they told me they dont stock or have discontinued selling the engines. They had a complete Datsun Nissan dealership parts catalog uploaded onto their site. This proves that the sticker on the engine is a factory dealership part but there is no way to connect the relationship between the stcker and the engine unless i had the original dealership purchase paperwork which would have the Part serial number with the Serial number on the block. Im going to say its a Factory dealer replacement engine based on what ive found, but if not its still a great engine. 

A quote from their site "Genuine Nissan Parts, the Right Choice

Your vehicle deserves only genuine Nissan parts. To ensure reliability, purchase Nissan 1010BP9203RE REMAN ENGINE AS. Our parts and accessories are shipped directly from authorized Nissan dealers and backed by the manufacturer's warranty. OEM parts are the best for restoring your vehicle to factory condition performance."
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