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Old 06-18-2021, 01:43 AM   #1
iwanttobeamole
 
Drives: 2000 Yaris 1NZ-FE Supercharged
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Originally Posted by CrankyOldMan View Post
Yep, went through a few pins and a few aluminum crank pulleys with the Blitz. The pin shearing off like that is intentional--don't replace it with a hardened/solid pin or you risk having to replace the whole crank next time.
Weird.. This has been together for 8 years making up to 1bar of boost (that's 14.5 barley corns for you americans) and it's been fine. I think it just came loose.

How much boost were you running through your blitz?
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Old 06-18-2021, 10:58 AM   #2
CrankyOldMan
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Originally Posted by iwanttobeamole View Post
that's 14.5 barley corns for you americans
HA! I love Matt Parker!
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How much boost were you running through your blitz?
No more than 6 or 7 lbs, the Ogura compressor (TX-07) is only about 700cc/rev. The real damage was done by the magnetic clutch pulley turning on and off because there's no auto-tensioner to absorb the sudden change of tension on the belt. Here's a video of a high-performance car under acceleration that has one: https://youtu.be/5NnMuyifPA4
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