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"RamblinRover Luxury-Yacht" (ramblininexile) 04/10/2014 at 12:41 • Filed to: None

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This needs to be on a car again. A thing. Cadillac, get your shit together.

505Turbeaux > RamblinRover Luxury-Yacht 04/10/2014 at 12:43

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while you are at it...

Arch Duke Maxyenko, Shit Talk Extraordinaire > RamblinRover Luxury-Yacht 04/10/2014 at 12:44

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We're looking into it.

HammerheadFistpunch > RamblinRover Luxury-Yacht 04/10/2014 at 12:46

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How hard...technically speaking...do you think it would be to make a double LS? I mean, you would have to get a special crank, but aside from I would think you could mill the blocks to mate up to one another and weld them or even bolt them and the rest is just assembly...right? I know im over simplifying it, just curious

Arch Duke Maxyenko, Shit Talk Extraordinaire > HammerheadFistpunch 04/10/2014 at 12:50

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Here you go!

jariten1781 > RamblinRover Luxury-Yacht 04/10/2014 at 12:50

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Swap the order

HammerheadFistpunch > Arch Duke Maxyenko, Shit Talk Extraordinaire 04/10/2014 at 12:54

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I knew about that engine, though they made their own block for it, where mine would be cobbled together. I didn't know they tested it in a yukon...that must have been hilarious.

Effef > HammerheadFistpunch 04/10/2014 at 12:54

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Its been done. Cadillac themselves did it for the Sixteen concept a few years back, and there are people out there chopping up LS blocks to make V4s and V12s and whatever you like.

RamblinRover Luxury-Yacht > HammerheadFistpunch 04/10/2014 at 12:55

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Probably harder than making a dual engine of an older type, just because the weight reduction worm has eaten through everything - journal sizes, cam size, all to optimize for required strength and lesser rotating mass. Extra cylinders, you'd need a whole new cam setup, new cam drive (due to that), new timing cover (obviously), as well as increasing the journal size all through the engine. Also, welding cast is possible, but has some tricks - actually easier to weld Al-block LS engines than it would be nickel-cast 350s, though.

Timing wouldn't be that unpossible - though that depends on level of electronic control. Honestly, the EFI/etc. would be not too hard for GM or somebody, but to get as good as factory for double the cylinders would wreck any amateur attempting it. You could in theory run two dizzys each for half of the cylinders if going old-school with the ignition.

Coolant might get weeeeeird.

It's in theory easier to set up an extra-cylinder frankenstein out of aero-boxers, because if you double an existing engine, you can off-time one of the dizzys to drive your second set (of four or six) instead of your second plugs , and the cylinders/valves are more self-contained. That, and a more modular crank design, and split crankcase + air cooling. You can tell what I've done some thinking about.

Arch Duke Maxyenko, Shit Talk Extraordinaire > HammerheadFistpunch 04/10/2014 at 12:58

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well, if people can make a V12, what's 4 more cylinders...