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Twin Cam TD42.......Is it possible

Tech Talk for Nissan owners.

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Twin Cam TD42.......Is it possible

Post by Mytqik »

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.
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Post by mud4b »

there is no pre combustion chambers, no glow plug holes...
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Post by Mytqik »

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????
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Post by nastytroll »

anything can be done for the $ but who is gunna pay them.
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Post by bj on roids »

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 :cool: :lol:
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Post by marko »

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
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Re: Twin Cam TD42.......Is it possible

Post by j-top paj »

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.
:shock: :shock: 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?
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Post by j-top paj »

:oops: just read the rest of the posts
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Post by bj on roids »

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

but yeah, single cam ;)
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