VQ37 VHR NA rebuild suggestions.

jakesktm

No the shop is really limited to remove and replace type work. No machine equipment beyond lifts, hand tools and some parts cleaner stations not big enough to handle a block. No hot bath. Otherwise I might go for it

I thought the stock rings and pistons were the source of the oil over consumption problem outlined in the TSB?

Quicksilvers

The main contributors that plagued the 2009 and 2010 with the excessive engine oil consumption TSB was mainly the piston rings and valve stem seals. Pistons and rods contributed to the issue I was told by a Nissan tech and they were simply replacing the engine with a brand new long block. If your resources are limited where you are then your best option may be to install a new short block sounds like you are on a limited budget NA will get expensive quickly. I know of quite a few fellow Z enthusiasts that are running 500-600 hp with no issues but their engines are low mileage in excellent health. Any stage 1 short block or even a Genuine Nissan OEM short block will work fine for a street car. Either way you will be rebuilding the rest of the engine.Overall comparing with other vehicles the VQ37HR is actually a very stout reliable engine when the owner is doing all the maintenance on time. I would definitely install a new oil pump and water pump. The oil pump gear upgrade is a excellent investment even on a street driven Z the last you will want to do is have to go through the engine again for a second time. The EPS oil gallery gasket and hardware kit is well worth it I honestly would not skimp there as my oil gallery gasket leaked before and yes it was no fun replacing it. Address the engine first with a rebuild and then consider doing your transmission and rear end later if they are working properly and have no issues. If you have a 7AT then I would do a transmission fluid flush while you are in there. Also there is no need to upgrade your pistons and rods if all you are planing on using your Z is for street duty. It's your Z and you will have to do your research and shopping good luck with your rebuild I had no help doing my engine rebuild.

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Mr. Clean