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Discussion Starter #1 (Edited)
I'm having problem with cracked intake bridges in a 4 mill short rod crank weisco pistons from driveline I've ran different squishes from 55 to 42 timing a +4 running 110 compression around 150
 

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I would double check the crank bearings.
 

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Discussion Starter #4
Yeah I talked with driveline. He says detonation.... I talked with my local sponsor he's telling me to ditch the short rod stroker and go with 115 rods...
 

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Discussion Starter #6
Yes I have pictures but I sold the short rod crank and bought a hot rods long rod crank
 

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Discussion Starter #7 (Edited)
I'm putting back together my 4 Mill 421cub. I bought 20cc domes from modd quad . I usually get them from noss or driveline. I notice that there squish band is wider. And there shaped like deep cereal bowl inside.. I'm a little skeptical about using them . What do you guys suggest
 

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Discussion Starter #8
Dome delima

I'm putting back together my 4 Mill 421cub. I bought 20cc domes from modd quad . I usually get them from noss or driveline. I notice that there squish band is wider. And there shaped like deep cereal bowl inside.. I'm a little skeptical about using them . What do you guys suggest
 

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Send ModQuad a quick message or call them. If they are the right ones, id run them.
 
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