Building a 383' LS Engine - New Old School

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All videos are filmed in Mexico with trained professionals, unless stated otherwise.
All content posted under this domain has no affiliation with its poster and any relation to the rider portrayed in any way which it includes. The rider is not limited to his or her likeness, location, or personal identity.

[ceqt]

Very smart to go 3.75 on the stroke, that engine will last longer and not beat the piston skirts as much given the short deck block. The 4.00 stroke of the ls7 was designed for a taller deck height of the block. Those 408 combos don't last along due to the piston rocking at bdc

[mgrijalvaespinoza]

Very cool! Very unique build. I went the usual 383 off an Ls1 block since I already had the block from my 2000 B4C Camaro😏. 👍

[GrandPitoVic]

Very nice brother. I like different. That engine is beautiful. I can't wait to see the 632 on the dyno as well. HELL

[brianross]

So it's basically a bit more than an LS3 in capacity with a shuffled bore and stroke combo be interesting to see if it makes much difference against an LS3 with same heads and cam with respect to efficiency and power - torque curves.

[natewoods]

If I had a 5.3 block and couldn’t get a 6.0 block then i would do a 383. But for . 6.0 I would want the 400+ cubic inches. I can still appreciate the build though, old school bore/stroke ratio

[timwerth]

Can we get a parts list for this build??

[whereisamerica]

Very cool build. I have been wanting to do a LSX block 4.250" bore x 3.750" stroke with 6.125" rods.

[chevyll]

molnar recommended the same crank, rods and pistons for my build, with a "custom" cam from bullet, warhawk heads and 2 66mm turbos it made 1235hp at the tire with 24lbs of boost.

[zxtenn]

Great video... With Today's technology i think looking for say 500 usable HP for something like a 1st generation Camaro using a small block would be the way to go? Less weight and for a street driver seeking plenty of drivable performance and not looking for a cage i assume something like a 572 would be too much for the unibody to handle even with frame connectors.

[Airman..]

Gotta sounds amazing with that short stroke.. what was the CR?

[speedyx]

What’s the largest stroke crankshaft that can go in a LS block?

[joejoesmojo]

Do forged rods with the 7/16" ARP 2000 bolts that come with a complete rotating assembly need resized? Or do those rods already spec out for the added torque to the caps?

[jamesfowler]

Where did you find a 3.75 stroke crank? I wondered if someone made one because someone might not want a 4in stroke.

[erichunt]

The short stroke engines can really be advantageous especially under boost. The 4.00 stroke setups tend to wear out piston skirts due to the short deck height

[ballisticjosh]

What type of cam could you run with this, or would you be limited to a stock cam

[Pimpy.]

Should’ve built a 408 ls stroker out of that 6.0 but the 383 6.0 is unique

[James-jnrb]

Who makes a 3.75 stroke crank? I mean what company?

[delalbi]

Cool combination.. from your experience, What is best Gap for Turbo LS Piston Rings?

[arcticthundergamer]

so what is the difference between this build and a 416 ?

[p.b.sHUNTING]

What does it cost to take a standard block and get it ready for rotating assembly.