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The 420 is shown here which will be close.

My hilux extractors The rest of the system is actually being built this week so haven't heard them yet... :)

For a manual I pick a diff ratio based on r/km in 1st and top gear with consideration given to torque at cruising speed and being able to get moving in 1st without flogging the clutch to death, for auto r/km in top... for road use. I guess you might want to use other criteria for off-road or racing.

My diff was done a by a diff specialist is Brisbane. I don't know his original source of parts. IIRC the ratio choice I was offered was: 3.5x, 3.72, 3.9x, 4.3, 4.5x, 4.8x & there might have been a 4.1x offered also. the complete rear diff/axle assembly was sent to him, came back fully reco'd...

I didn't have any problem with ratio choice for my hilux, at least 6 ratios offered to me from 3.5x to 4.8x

both sleeved or unsleeved

Oh yeah, prostitution is legal in oz too...some varitions in details state by state.

Also dispatch address plus an acurate idea on dimensions & weight so i can get a shipping quote from this end. :thanks:

I'd like the cost of a 5.2l/1uz long motor landed in Oz pls. And the landed cost of 5.2l kit for comparison. What's the availability or lead time required from order for both kit & long motor?

forget turbo and twin charging An Opcon Autorotor or Lysholm S/C will do everthing you want on its own.

There's a useful calculator on the sprintex site http://www.sprintex.com.au/files/Blower_Calculator.xls It doesn't have every make & model and make quite a few arbitrary assumptions, but you can hack it to include extra's. I have an Autorotor OA424 which is 2.4l/rev (not on a 1UZ). There's...

Eaton=roots

Yes all out power and efficiency is the win for T/C. But as a daily driver it will be a top end pig. All my discussion is based on a real drivable road car. An engine spending most of its time above 5,000rpm will not be in a road car. T/C is an absolute no brainer for a track car All the...

Adressing several points A twin screw has internal compression, therefore is high efficiency. Have a look at the compressor/throttle configuration diagrams HERE Look at the throttle in the upstream position. On cruise & small throttle openings what is there to be compressed? How much work...

I recommend anyone (in this century still) thinking twincharging is a good solution to the (very) old supercharger/low and turbocharger/high conundrum should do very thorough research on Opcon Autorotor and Opcon Lysholm products. Have a look at Autorotor spec charts. You will see volumetric...

yeah right, and overhead valves are somewhat similar to side valves. And pushrods are somewhat similar to overhead cams.

I 've been trying to find someone that has actually done it. To my mind the cheapeast/fastest/easiest way to go is to just resleeve with big bore pistons. I've seen talk of 98mm giving 4978cc being very doable. But I have yet to find a real person that has *actually* done either bore or...

Anyone at all...?

search for twincharge/ing on http://www.performanceforums.com Also http://www.hi-flow.com/HP7Super.htm has good info on Autorotor There's no specific twincharge site that I know of. IMHO the Lysholm and Opcon Autorotor superchargers make twincharging redundant. They have the boost from...