# Sightings Thread

**URL:** <https://forums.speedlife.net/t/sightings-thread/234818>\
**Category:** Shift518 Automotive\
**Created:** [September 18, 2007, 8:21am UTC](https://forums.speedlife.net/t/sightings-thread/234818 "2007-09-18T08:21:28Z")\
**Posts on this page:** 1\
**Showing post:** 24113

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**Author:** ![DeathbyRT](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/deathbyrt/32/6648_2.png) [@DeathbyRT](https://forums.speedlife.net/u/DeathbyRT)\
**Post date:** [August 16, 2011, 5:55pm UTC](https://forums.speedlife.net/t/sightings-thread/234818/24113 "2011-08-16T17:55:26Z")

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> [@FS: 5 OG UBRF.org Pencils](https://forums.speedlife.net/t/fs-5-og-ubrf-org-pencils/44647/21):
>
> so in the mopar world is that a big block or a small block? us GM dooods go up to a 454 small block.

Id guess its a big block seeing as its 6.1 based?

No one calls them small or big block in modern hemi world.

6.1 iron block can go to 440.  
5.7 iron can go to 418ish.  
6.1 aluminum has so far gone to 468 ci making high 600’s NA. But the blocks are like 3500$ empty.

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