I think the Toyota guys would be my first stop. The TRD, or Toyota Racing Development team, has probably got some toys for you. Edelbroc, probably has a carb and intake, crane cams would be my first choice for a cam, I'm sure either Mallory, or, Msd, make an ignition system. I know that a regular MSD will work on a 4-6-8, so that would be Summit, or Paw, or Jegg's. Get catalogs from the last three and you should be set.
The Toyota 1978 20R Emission Control Repair Manual, pub 98268 is still available from Toyota parts, is about $12 and covers all versions of 1978 20R engine emission controls and vacuum lines. You have to have your dealer order it by part number.
run gear oil in your engine if your cheap cause a 20r engine remanufactured cost 600 dollars. or you could completey take the motor apart and replace the rings.
The Toyota 20R engine crankshaft bolt torque specification is 150 pounds. The crankshaft bolts should be torqued in 50 pound intervals.
Yes!
1-3-4-2
8.9 Quarts for a 1980 Toyota Pickup with a 20R.
1970
Loosen the distributor and rotate it.
1979 toyota 4x4 pickup with 20r engine
0.18 or the thickness of a business card
.032" good luck
How do you prime the oil pump on a 1986 Toyota truck with 20r/22r engine