Quote:
Originally Posted by blykins
Girdles don't do anything, unfortunately. Lots of nice photos of SBF blocks split in half with the girdle holding the main caps together.
The 302/5.0 block won't take as much horsepower before letting go, but unless you're making over 600 hp with that 408, you're in no danger of hurting it.
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Made 615 rwhp 3 years ago on dyno. I try not to crank it too hard. So far no problems. But I figure it's a matter of time before it craps out. Already have a plan to build a 434 sbf lol