Mazworx billet block.

Spooler

I am trying to round up 5 people to see IF Mazworx will make us a billet VQ37VHR block. We need the interest to help sway Mark to make it happen. It's a ton of work on his part. The price will be around 10k for just the block. If you already have sleeves they can transfer over to your new block. I have 3 people so far. We need at least 2 more. It will take time to develop IF we can get him on board to do it.

This is the link to his billet VQ35DE block.
https://www.mazworx.com/pro-street-b...5de-block.aspx

GrayGhost

Not going to be able to join in, but what are the differences between the 35 and the 37 blocks? To the best of my knowledge, and I could be completely wrong but aren’t the differences in the rotating assembly and heads? What are the incentives to do a 37 billet block over a 35?


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Spooler

The heads and block are different on the VQ37. It doesn't look like this is going to happen.

chendaxian888

how much power can our stock block hold? i believe over 1000 after rebuild?

Spooler

LOL, It's the tq that kills the stock engine. 650whp or so as long as the tq is keep 550WTQ or below. A built engine reliably, That's a good question. About 850whp is about it. The stock block just sucks. It's a head lifting machine.

Rusty

Not for long. Plan on spending $70K+.

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redondoaveb

Or just do a bottom end build, keep it in the 800whp range and save a hell of a lot of money

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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo
700+whp

Spooler

I was at 718whp at 17psi and lasted 7k miles. If you drive like I do, it won't last long.

redondoaveb

Mine makes that at 15 psi but unfortunately, as you know mine's a stock block. 7k miles. That would be about 5 years for me

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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo
700+whp

husam2012

IMO a VR38 swap is way more reliable long term and will be almost the same price, and you get the benefit of something that is well known to be reliable to 1300whp with just rods and pistons.

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Spooler

I agree, it will be cheaper in the long run due to not blowing up motors. Do that once and you can damn near recover the extra cost with the VR38 swap. It does depend on how far you go down the rabbit hole. Dry sumping the VR38 to make for easier fitment.

VenomNinetail

I know its been awhile since the last post, but if there's hope in getting a billet block I would be interested. Nissan is pretty much done with the engine. So If we can convince someone to make a billet block that won't crack past 1000+hp

Spooler

They won't crack. The blocks dance around when the cylinder pressure hits a certain point. The casting is not very good. There was not enough interest. The blocks just by themselves would cost 10k. Very few folks in the community have that kind of money to add that additional to an engine build. It would be whole lot cheaper than a VR38 swap.

phunk

Thing is, while a VR38 swap might at first appear to cost less than a billet HR/VHR block build (assuming the block became available for purchase and at a price that compares to other billet blocks)... the cost of being the guinea pig is at high risk of turning out far greater in the long run.

If I ever wind up doing a build on my Z, the only reason I wouldn't just skip to a VR38 is because it serves no use to the business. I couldn't make any products out of it that would be useful to others. But if I was on the consumer end of it, and I wanted a big power Z, VR38 seems (reluctantly) a better move if starting from scratch anyway.

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Spooler

If I only would have known back in 2018. LOL, the starting over is the sucky part. The chassis becomes a handful at 900whp+ on the street. That's why I kept the VQ. Very few folks have driven a 370z at that whp.