[ROVERNET - UK] Re: V8 Engine Questions

Kent Kinard kkinard at wcc.net
Tue May 15 04:39:50 BST 2007

On Mon, 14 May 2007 20:31:02 -0700
  "Aidrian Bridgeman-Sutton" <smokeandsteam at gmail.com> 
> Yes to both; indeed any Rover V8 up to a 2002 4.6 can be 
>made to work
> very nicely.
> However with the stock SD1 engine you may run into some 
> isses at the front when the fan pokes holes in the 
>radiator which
> means that it will only work for a very short while 
>until all the
> water runs out.
> The fix is to use the P6 water pump and I think timing 
>cover - can
> someone help out here?-, something to do with the oil 
>pump and
> disributor drive.
> Some people have had success by removing the fan and 
> thermostatically controlled electric fans. If you want 
>to keep the SD1
> fuel injection you will need to bring over a lot of the 
>wiring from
> the donor car, but the engine will be perfectly happy 
>with a good
> carburetted set up, which is how many early SD1s were 
>sold in the home
> market. Late European spec injected SD1s had a taller 
>plenum which
> won't fit under the P6 bonnet unless you add a power 
>bulge ( Ram Air
> Rover anyone?)
> If I were doing this much work I would consider a 
>transmission upgrade
> as well. The BW35 was arguably the worst part of the car 
>when new,
> whereas a LT77 manual gearbox from an SD1 fits very 
>nicely and a ZF
> HP22 or HP24 autobox from an eighties Jag can be made to 
>fit with a
> bit of work ( use a Discovery or Rangie  Bell housing ); 
>if you choose
> the latter make sure the ZF hasa cable kick down and not 
> control.
> An intermediate step is to use SD1 heads on a P6 block 
>with a 3.9 cam
> which gives you the bigger valves and better valve 
> Aidrian
> On 5/14/07, Albert Boasberg <ABoasberg at webtv.net> wrote:
>> 1. Will a 1980 SD1 engine fit into a 1970 3500S?
>> 2. Will a 1980 SD1 engine work in a 1970 3500S?
>> Thanks.
>> Albert
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