normally when you lift the bonnet it will say on top of the intake manifols which engine it is.
How old is it?
 
Hi it is year 2000 p38.Log book says 4.6 but it doesnt say anything on top of engine.

If it doesn't have Overfinch cast into everything made of alloy and machined into every bit of chrome and stainless you can see under the bonnet, then it probably isn't an Overfinch engine.
 
If it doesn't have Overfinch cast into everything made of alloy and machined into every bit of chrome and stainless you can see under the bonnet, then it probably isn't an Overfinch engine.
^yep
 
It could have an overfinch rebuilt 4.6 but as stated it should be badged. If it has a proper overfinch conversion it will be fitted with a small block chevy and should have corvette flags on the rocker covers. The chevy lump also looks completely different from the rover unit.

One sure fire way to know is to fill it with fuel and wonder at how the hell a full tank has only taken you 220 miles, or drive down an unlit road at night and enjoy the firework display in your rear view mirror as she spits flames on the over run, or look at the expression on the face of the sport supercharged driver who's just had his doors blown off by an 11 year old P38.

Great forum BTW.
 
It could have an overfinch rebuilt 4.6 but as stated it should be badged. If it has a proper overfinch conversion it will be fitted with a small block chevy and should have corvette flags on the rocker covers. The chevy lump also looks completely different from the rover unit.

One sure fire way to know is to fill it with fuel and wonder at how the hell a full tank has only taken you 220 miles, or drive down an unlit road at night and enjoy the firework display in your rear view mirror as she spits flames on the over run, or look at the expression on the face of the sport supercharged driver who's just had his doors blown off by an 11 year old P38.

Great forum BTW.
Diesel sports even more so!
 
On my engine there is no plenum chamber like normal 4.6? What is it?
Its defo land rover as landy stickers everywhere.
 
Picture!
 

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I know this is no help at all but i drove a 630r overfinch p38 a few years ago and it was awesome and sounded the nut's. The guy bought a later shape which i also drove but it sounded no where near as nice as the old p38 with the yank engine. Useless information and bad spelling but i'll never forget driving those car's.
 

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