Long Rod 3Liter,L28Dblock

342 Views 3 Replies 3 Participants Last post by SixBanger, Nov 20, 2001

Jason k

Discussion Starter · Nov 20, 2001

Does any one know exactly what mods are required to use a L28d block with a L -24-L28 head?I'm sure I saw a post from someone doing this ,but I can't find it in the archives.Here's the specs for the motor I had planned.

Stroke-L28d crank 83mm
Rod-Z20E 152.5mm
Piston-VG30 31.75mm 1cc dish
S/2+R+P=225.75 with a 227.45 deck height this should leave a piston height or 1.7mm under the deck
Bore radius squaredx3.14xstroke =3027cc
Rod to stroke ratio would be 152.5/83 for a 1.83:1 rod to stroke ratio
With a 53.6cc P90a this would give about 8.0 :1 compression or
9.0:1 with a 44.6 N42 with a 7cc head gasket volume.
Any info about using the L28d block would be apreciated.

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SixBanger

· #4 · Nov 20, 2001

Re: That's the Maxima Deisel Block right?

i beilieve the deisel block has a smaller bore than 87mm, so you are looking at a much larger overbore to fit those pistons. Im sure if there is enough meat in the block (deisel = thicker cylinder walls?) it could be done though.

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