If you personal a Rover P5B V8 mannequin like me, you most likely love the machine all the same power do with extra energy. The authentic engine inside the P5B is of the 3500cc selection. The good factor when it was first launched was it had a better compression ratio than a number of the later engines, all the same as a result of the heads had small recess and outlet valves it however restricted the power some what. The different drawback was the issue of leaded gasoline not being accessible so it's important to hold including lead components to the gasoline which many P5 owner is aware of is a bit bit of a ache as you're in the to the worst degree multiplication down the gasoline station with such a giant motor.
My first trick was to exchange the heads with heads from the Rover SD1 which with the large valves and unleaded valve stems saved me the job of placing inside the gasoline additive every time all the same I did not actually discover a great deal further energy. The Rover P5B is a really heavy machine anyway and I suppose your not imaginary to drive it quick all the same I hoped for a bit bit change in efficiency. I then added a Weber Carburetter and adjusted the ignition to a Lumenition digital ignition to eliminate the previous factors system. This made a bit bit of a distinction all the same the efficiency was not what I'd name startling.
Then I made a decision to dig deep into my pockets, rob the piggy commercial enterprise institution and go for becoming the 4.6 ltr engine from the later Range rovers. Now this engine is factual the identical authentic block as the three.5 ltr from the Rover P5, so really it's much a straight swap. If you're maintaining the unique distributor from the P5 then it's important to hold the identical entrance cowl from the engine as a result of the oil pump enamel are entirely different for every mannequin. Apart from thin the to the worst degree the pieces goes in properly. The engine mounts line up and all of the exhaust manifolds return together simply because the previous one. If you making an attempt to maintain your Rover wanting authentic, you'll be able to even use the unique rocker covers so even the coverage man could not inform the distinction. Until he drove it in fact.
How does it drive? Well, between the 2 engines is like between day and night time. You will probably be grin from ear to ear for days afterwards. So when you've got a number of spare bob and want your Rover P5 to choose up its heels and go. Your alone possibility must be the 4.6Ltr V8.
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