# "Need-to-knows" on a Grand National motor

**URL:** <https://forums.speedlife.net/t/need-to-knows-on-a-grand-national-motor/200243>\
**Category:** PittSpeed Automotive\
**Created:** [October 20, 2008, 6:16am UTC](https://forums.speedlife.net/t/need-to-knows-on-a-grand-national-motor/200243 "2008-10-20T06:16:21Z")\
**Posts on this page:** 1\
**Showing post:** 17

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**Author:** ![OLDS\_ROCKETMAN](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/olds_rocketman/32/5942_2.png) [@OLDS\_ROCKETMAN](https://forums.speedlife.net/u/OLDS_ROCKETMAN)\
**Post date:** [October 23, 2008, 12:18pm UTC](https://forums.speedlife.net/t/need-to-knows-on-a-grand-national-motor/200243/17 "2008-10-23T12:18:46Z")

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> [@FS:2005 Cobalt SS/SC](https://forums.speedlife.net/t/fs-2005-cobalt-ss-sc/38377/28):
>
> Correct me if im wrong but the 109 blocks where high nickel making them a better block for, worse conditions.

no more high nickel than anyother block… the only difference between 109 and the previous turbo blocks were the oil return feed and additional strength in the lifter valley. not a big deal until your over 550 hp.

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