07-10-2021, 06:23 AM
Interesting...Looks like your '87 set up affords better access to the air valves , etc and easier filter removal. Maybe a bit of ram air with the louvers ? Where does your air compressor intake connect ? Mine connects to the metal tube connecting the 90 degree bends .
1986 #89
VIN 007
Detroit 8V92 TA 475 HP
Allison four speed
Chris and Sharon Hand