afr 225 ms4 dyno
i have a post in the generation 3 external engine where i ported the intake out to 100mm, there r pics there, u cant use the o-ring, i used some gasket maker called {the right stuff} u can get it at any parts store
IIRC, both the afr 205 and 2250 are ment for a 3.9 bore.
https://ls1tech.com/forums/generatio...look-pics.html
here is the link






