World Record NA VHR Build

imjello · 03-25-2015, 11:27 AM

Quote:

Originally Posted by 1slow370

yep stock rods, pistons, crank, bearings, timing gear, valves, springs, lifters, vvel, ports(nothing is ported). the only internal changes were the cams and removing the oil pump.

There was some slow secret sauce poured into the trans to help with the higher rpm shifts tho, eat that TSM lol

Quote:

Originally Posted by BGTV8

Based on my research (JWT, Unitech, the NISMO engine-builder with Kelly Racing), with replacement rod bolts both the VQ35HR and VQ37VHR are both safe to 8800rpm (although the jury is still out on running the VVEL that hard for sustained periods - there is no real empirical detail).

With OEM rod-bolts, I'd be reluctant to exceed 8000rpm, but that is just me.

Remember, NASCAR engines run 9500rpm and more for hours and they are all >3-inch stroke.

great thread btw! I was hoping to find something like this. Sry you had to sell.

Did you ever take it to 9k? I saw you mentioned it, I have yet to watch all the videos (thank you for videos!)

and as it was asked before, the stock internals are able to support the higher then 7.5 redline easily. My goal is really just 8k with NA reliably and am starting to look into external oil pumps, as is sounds like the Nismo pump is not enough. Any advice is defiantly appreciated.

All of my cars have been NA engine builds ( 1999 civic hb & 1999 Miata ), I am collecting data for this platform as this v6 thing is new to me.

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