HEY SALVY ,, RIGHT ON THE MONEY , ACTUALLY FOR JONATHON IF YOU COULD EVER LOCATE A A 4JB1 OR ANY OF THE 4J SERIES ENG THEY WOULD BOLT INTO THE 86 ABOUT AS EASY AS IN TO THE 88, THE BIGGEST PROBLEM IS THE EARLY TRUCKS DID NOT HAVE A REMOVEABLE REAR CROSSMENBER AND THE TRANS IS A BEAR TO GET IN AND OUT , BUT THEY WILL FIT , GET THE TRANS THAT GOES WITH THE ENG AND YOU WOULD BE BETTER OFF AND THEN CONVERT THE HYDRAULIC SET UP OVER TO A CABLE RELEASE , TAKES ABOUT 3-4 HOURS BUT CAN BE DONE, AS FAR AS THE INTER COOLERS GO I HAVE NEVER SEEN ANY INFO ON THE AVAILABLITY, ON THE 2.2 ENG , THEY STOPPED USING THEM IN THE LAST OF 87, AND THEN SWITCHED OVER TO THE 4J SERIES OF ENGS, AND THEY DID USE A NO OF DIFF CONFIGURATIONS OF INTER COOLERS ON THEM, MOST ANY SMALL COOLER CAN BE MADE TO FIT THE 2.2,AND AS FAR AS HOW MANY DSL ENG DID ISUZU MAKE WELL LETS START WITH THE 1 LITER 2CYL DSL , ALL LIQUID COOLED , AND THEN ABOUT 12-15 VARIATIONS OF THE THE 3 CYL 1.1 -1.5 L, 4CYL 1.6N THRU THE BIG TRUCK STUFF OF 5.3 LITER THIS IS A BIG 4 CYL 190 HP TWIN CAM 16 VLV, THEN THE SIX,S START WITH ABOUT 5 L, UP TO 13.50 LITER, THIS IS A BIG 6 OR HOW ABOUT THE BIG BOYS A V10 15.015 LITER, OR THE V12 AT 18 LITER AT ABOUT 24 00 LBS ------JERRY