The factory service manual (FSM) is your best source of info for engine specs and tear down/rebuild info.

See here for an online FSM

http://www.ncttora.com/fsm/

Try www.urdusa.com for 3.4L performance parts


88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride