1982 SUPRA-GTE
       
PERFORMANCE MODIFICATIONS
           
UNDER CONSTRUCTION !!!!
The engine rebuild began with a low miledge Japanese long block 7M-GTE.. A machine shop assured me that the head and block were okay and mated the surfaces with an HK$ metal head gasket. (Big mistake: more on that later). The next task was obtaining all engine management components. They were purchased piecemeal from salvage yards. This was another mistake since there is no guarantee that the parts are correct and in working condition. I highly recommend purchasing a donor MkIII which is in working condition prior to teardown.
    The completed engine was transferred to the MkII and cranked with the first turn of the key. The bad part was that bright green fluid quickly started seeping between the block and head ##@!!!!**.
The engine was pulled and broken down to find a crappy head resurfacing job. In addition, the head was warped out of tolerance. So much for the machine shop.
    The block with a brand new head from Toyota was rebuilt locally by Sunbelt Performance Engines in Atlanta Georgia. They did an excellent job! I have had no difficulty with the mechanical portion of the engine so far.
     With the engine back in the MkII again, I noted rough idling when cold, slight hesitation at speed, and occasional soft back-fire. Symptoms resolved with removal of pressure regulator vaccum.  No error codes, normal fuel pressure and timing as well as no findings of other obvious causes. Vf voltage indicated lean engine condition. The problem was two fold- clogged cold start injector and I was running nonturbo
7M-GE INJECTORS (note the yellowish color injectors).. ###!!!! I should of checked part numbers from the junkyard parts!
Presto  Problem solved!!!!
CLICK HERE for early engine photo just after placing into the engine bay for the second and final time.
ENGINE ACCESSORIES

Lubrication

    Because the front (1987 Supra uses the rear mount) engine mount is required, the oil filter sits tightly between the mount and intercooler piping. A remote oil mount allows for easy oil filter service. A CANTON 90 deg. rotating billet
remote oil filter adapter. Part# 22-595. 3/4-16 thread spin-on was used. This allows easy placement of bulky aeroquip -10  hose ends since it can be rotated without breaking seal. The remote oil filter mount is a permacool with four  1/2"  inlets/outlets. It mounts at the old washer fluid resevior location. The oil is cooled with an Earl's Temp-A-Cure oil cooler. (10 row/ -10AN fittings). The cooler mounts behind front airdam - passenger side. The oil travels to the cooler via -10 Aeroquip Auto-Flex Hose. (2nd photo). En-route, a Permacool remote oil thermostat controls oil flow (opens to the cooler at 190 degree F).
    The oil pump pressure release valve has been shimmed to allow oil cooler flow instead of bypass at higher RPMs. Idle oil pressure (warm) 12-15 psi / 3000rpm 50 - 60 psi. (20W-50 oil)  I never see pressures over 70 psi.

Exhaust

COMING SOON
     
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