The V8 Owners Forum -

Been searching and getting different views, do the con rod bolts need to be replaced on the 4.0/4.6 gems rv8 or can they be reused?

Rebuilding a 4.0 at the moment, nothing special just new rings, bearings, cam and lifters, all standard but a mate said to put the 4.6 cam in instead of the 4.0 cam as this will give better torque for the same price, is he right and will the 4.6 cam go in a 4.0 fine?

Thanks chris, would running hot water through it first be enough to get it up to temp?

How much preasure should be put through the block when doing a preasure test?

Hope you guys can give me some advice :D I'm rebuilding a 3.9 with my we lad to go in our 90, but once rebuilt will be stored for a while prob a few months, until we fit it in place of the old oil burner and fit ms, obviously I'm going to use plenty of lube on all bearing surfaces and such, but shou...

I'm currently rebuilding a 3.9 my first engine build to go in my lr90 to replace the oil burner thats in it, on strip down ive noticed some vertical scratches on the lower part of the cylinder bores, a few are quite deep and can be felt with your finger nail, the machine shop recons a rebore is need...

Thought I'd just say a quick hi been registered for a while but not posted just been reading threads, some seriously good info here, been planning to rebuild a 3.9 for a while now that's been sitting in me shed to go in me defender 90 that currently got an old 200 tdi :oops: took it to the engineers...