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Hi,

Just doing some research about stroking a VQ30 with a VQ35 crank. Does any one know if this is possible?

I found these specs on the net, i don’t know how correct they are, anyone that could verify these would be good.

VQ30DET

Bore × stroke

93.00mm × 73.30mm

VQ35DE

Bore 95.5mm

Stroke 81.4mm

Cheers,

Ryan

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https://www.sau.com.au/forums/topic/243737-vq35-crank-into-vq30/
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looks right, by calculating volume per cylinder (phi=3.14 * (bore/2) ^2 ) * stroke = 583 cm3 (or cc) per cylinder * 6 = 3.499 ltr for the VQ35.

Thanks Rantino,

By the way the rotors are still going strong with the hawk pads. :D

If any one has a VQ35 crank stuffed or not i would happily take it off your hands and try it in one of the VQ30 blocks lying around. All in the name of science. lol

VQ30DE

Displacement; 2,988cm

Bore x Stroke; 93 x 73.3 mm

Comp; 10:1

Pistons

Piston pin hole diameter; 21.987-.999 mm

Piston pin outer diameter; 21.986-22.001mm

Connecting rod

Center distance; 147.60-147.7mm

Piston pin bushing inner diameter (installed); 22.000-22.012mm

Connecting rod small end inner diameter; 23.980-24mm

Connecting rod big end inner diameter; 48-48.013mm

Crank

Main journal diameter

Grade No. 0 59.969-59.975mm

Grade No. 1 59.963-59.969mm

Grade No. 2 59.957-59.963mm

Grade No. 3 59.951-59.957mm

Pin Journal Diameter

Grade No. 0 44.968-44.974mm

Grade No. 1 44.962-44.968mm

Grade No. 2 44.956-44.962mm

Center distance; 36.61-36.69mm

Just need the specs for the VQ35 engine now, it has to be the VQ35 not the VQ35HR. I think the HR runs a larger journal??????

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