Thread: 4.6 in the D2

Originally Posted by Eevo

i also disagree the 4.6 punches above its weight.
its displacement is 15% more than the 4.0. and it produces 15% more torque. which is as expected.

I grew up with Holden motors and re-built a few. The high comp Thor 4.6 was well ahead of the 5000i (5.0 injected) holded V8 that graced the VN and VT Series 1. Despite being .4 litres smaller the little alloy Brit had more torque and it came in at a full 1000rpm less than the 5.0 holden. Even the HSV 5.0 VT had only slightly more torque but again max torque came in 1000 rpm higher.

In terms of weight of course the 4.6 was a lightweight compared to the cast iron motors.

I maintain the 4.6 Rover boxed above its weight. And the light weight made it perfect for offroading and handling.

Cheers

Originally Posted by Pedro_The_Swift

no,, you put another 4.6 in the ring,,

any other 4.6.
torque at 2600 rpm.

talk to me Evo

these are redbook vaules
4.0 Thor
136 kW @ 4750, 340 Nm @ 2600

4.6 Thor
160 kW @ 4750, 400 Nm @ 2600-3000

4.0 thor vs 4.6 thor

340Nm vs 400Nm

400/340 = 1.176

ok, yes, so the 4.6 is 2.6% better than it should be.

Originally Posted by ozscott

I grew up with Holden motors and re-built a few. The high comp Thor 4.6 was well ahead of the 5000i (5.0 injected) holded V8 that graced the VN and VT Series 1. Despite being .4 litres smaller the little alloy Brit had more torque and it came in at a full 1000rpm less than the 5.0 holden. Even the HSV 5.0 VT had only slightly more torque but again max torque came in 1000 rpm higher.

In terms of weight of course the 4.6 was a lightweight compared to the cast iron motors.

I maintain the 4.6 Rover boxed above its weight. And the light weight made it perfect for offroading and handling.

Cheers

oh, well yes, if you compare the 4.6 to the 5000i (i thought you meant compared to the 4.0)
the 5000i was a dinosaur but a very nice sounding dinosaur.

I dare say your Dinosaur is not even in the same pond as ours,,

Ok i just love my 4.6. For now im revelling in the grunt but down the track i might be tempeted to a Mark Adams reprogram and the bigger intake. Cheers

The 4.6 definitely loves the bigger fuel map

I have my bigger intake and maf here,
its sitting on the floor waiting for some inspiration,,
maybe its why the exhaust is so black,,

Hmmm...
I was considering a D3 V8....
D2 V8 HSEs don't cost that much these days.... would need a manual cog swapper...

Don't think the v8 d3 comes with anything but a slush box mate,

I love my 5 speed manual.

Cheers