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Old 05-15-2004, 07:00 PM
VQuick VQuick is offline
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Re: The Next GT-R: From Concept to Production

This isn't really GT-R info, per se, but it's about the VQ motor, so I figured I'd make a separate post for it.

Looks like the motor is stronger than a lot of us thought. Here's some excerpts from a post about AEBS's VQ stroker kit made at My350Z.com...

Quote:
Paulus said the VQ block is are stronger then the supra turbo blocks although they are full floating cylinders...

For instance, the Honda NSX has only 0.140 inches of material between the first two connecting rod bearing journals, and at high horsepower above 1000 it breaks at this junction. Two of current high profile drag racers in the import scene have been battling this problem. The v-6 Toyotas and GM's have this problem too. The Nissan VQ35 does not have this problem at this junction because it is 0.710 inches thick between the first two connection rod journals...

The Nissan VQ35 block is constructed from a high pressure die casting procedure and it consists from high density Aluminum using 4 bolt mains with a longitudinal girdle to support the main caps. With the AEBS sleeves, you can push over 1500 horsepower easily. These sleeve designs are exclusive to AEBS since they own the U.S. Patten rights. Imagine this, AEBS has pushed 1200 horsepower on 4 cylinder 2.2 liter prelude motors with similar designed blocks and sleeves. On top on that, the Honda Prelude block do not even have 4 bolt mains.
The funny thing is, this is just the normal production VQ. Apparently, it isn't strong enough for Nissan, because they supposedly commissioned Cosworth to build an even stronger version for the GT-R. It looks like the VQ will not only match the RB in tunability, but could possibly exceed it.
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