With the attitude of most supra owners, the age and condition of the engines, and the abuse the 7m goes through:
NUMBERS DON'T LIE. Chances are if the car is overheating and its a 7m - BHG.
Take you're 11 posts and shoosh.
Will : Im not sure the 440's or the stock FPR will handle the walbro.
Its possible you're running rich. Check timing lately? What condition is that turbo in?
You shouldn't have adjusted the idle screw.
The computer will adjust idle itself.
Go back to the TSRM and re-adjust the tps.
You need to check and make sure your knock sensors aren't broke.
Check to make sure your cams are straight up when the timing pulley is at zero.
Time that...
Could be a reason yes.
Simply fill the system with water/coolant when cold.
Put the front of the car up on jack stands.
Grab the lower radiator hose and squeeze by hand.
Repeat.
White smoke is either water of some sort, or rear turbine turbo seals.
Gray smoke is typically front compressor turbo seals or rings.
Low oil pressure could be a number of things:
-Too high of oil temp
-Too thin oil
-Bad/worn pump
-Worn mains
-Etc etc etc
You need to check the codes. IIRC, the light won't always come on.
You also need to get a handle on that fuel pressure, cam timing, and ignition timing before you go any further.
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