The V8 Owners Forum -

Thanks for the information, my engine is from a range rover, number 11D 00036A, which dates it between 1970-83 I believe. As yet I'm not sure which is the best way to sort out the smoke on overrun, I found mention on this forum of using Opel Manta valve stem oil seals, although my original idea was ...

I've an old RV8 3.5 with worn vlave stems, and been offered a pair of 14 bolt 3.9 cylinder heads. Will these fit, and if so is there anyother issue I should be aware of, such as gaskets etc.

Is there any performance benifit from fitting 3.9 heads?[/i]

Wow, my first post and a wealth of information, thanks Guys. I'm watching a later thread in the same section regarding oil seals, as it was the smoke on overrun that made me think of changing the heads in the first place. So, I think I'll keep these heads, try fitting the Manta oil seals as suggeste...

I've recently purchased a Land Rover fitted with with an early (circa 1970) range rover 3.5 V8. On overrun going down hills it smokes quite a bit, blue oily smoke, due I'm sure to worn inlet valves. So I'm planning to swap the heads for a later version which has better valve seals, and also which is...