Yank py3400 6l80e
#1
#5
The ss is the 9.5in which is the core that the average n/a converter is, the ss is set up for n/a or nitrous engines from stock up to 700hp or so. The py is a 10.5 core and is setup to hold big power, all the way up to 1200+ depending on how it's setup. You can run them at lower power they will just be a little tight. They drive almost like stock even in heavy truck which is nice. This one was over $1000 new.
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Bad Boyz Racing
GM Parts Classifieds
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Dec 13, 2008 08:10 PM





