Outer Limits 4x4 Board

Just a weird thought I had this morning.

How similar are the blocks of a TB42 and TB48???

I am sure I read somewhere that the TB42 & TD42 have the same block dimensions, so if the TB48 & TB42 are similar, how hard would it be the bolt the TB48 twin cam head onto the TD42.

I know that timing chain could be a drama, but would there be any other major dramas???

Do you think that the the TB48 head could take the increased compression of the diesel??

As I said, just a weird thought, but could be interesting if it was possible.

there is no pre combustion chambers, no glow plug holes...

Hmmm, well that killed that idea . Obvisiously I didn't give it too much thought.


Maybe the glow plug holes could be added???

Pre-combustion...that one ain't easy to get around....direct injection maybe????

anything can be done for the $ but who is gunna pay them.

mud4b wrote:there is no pre combustion chambers, no glow plug holes...

LOL, my first thoughts were glow plugs, inectors,

but if you are drilling heaps of holes in it, drill a couple more and make it multi-valve

Combustion chambers on diesel are in the piston and in the head on petrol, so the compression would be way too low for a start and the petrol combustion chamber is a hemi style, all diesel heads are flat. Don't think this could work, Let us know if someone can get it to work

Mytqik wrote:
I am sure I read somewhere that the TB42 & TD42 have the same block dimensions, so if the TB48 & TB42 are similar, how hard would it be the bolt the TB48 twin cam head onto the TD42.

um is this a serious question? its a diesel and a petrol.. two different types of engines.
where are the glow plugs going to go etc?

just read the rest of the posts

could you use the 4.8 block and crank and maybe make a TD48 that'd be gnarly....

but yeah, single cam