weight: LS2 vs all-allum SBC? Fords?

[mikedc]

What the title says.

I think World Products makes an aluminum SBC block, maybe there are others.

If you want a simple, carb'd, big-inch smallblock . . . which is lighter? Is there a big difference? Other issues?


How do the lightest-weight Ford V8s stack up to these?

[sik68]

Here's an ongoing discussion of SBC weight vs LS weight:
https://www.pro-touring.com/forum/sh...ad.php?t=70591

Based on the info above, I would venture to guess that an all aluminum SBC would wind up a bit lighter than an LS, say 40-70lbs. But the LS is packaged a bit more compact, so you can probably set it in the chassis lower and get a lower CG.

From a weight savings standpoint, I think a Tremec TKO is lighter than a T56 by 30lbs or so....that helps, but you have 1 less gear to row.

[Mkelcy]

Here's an ongoing discussion of SBC weight vs LS weight:
https://www.pro-touring.com/forum/sh...ad.php?t=70591

Based on the info above, I would venture to guess that an all aluminum SBC would wind up a bit lighter than an LS, say 40-70lbs. But the LS is packaged a bit more compact, so you can probably set it in the chassis lower and get a lower CG.

From a weight savings standpoint, I think a Tremec TKO is lighter than a T56 by 30lbs or so....that helps, but you have 1 less gear to row.

I can easily see an all aluminum SBF (289 family) being lighter than an LSx, but not an all aluminum SBC. My guess is that they'd be pretty close.