Me n Trunkz had a head redone by a reputable shop, then put it on the motor in his 4Runner.
He sold the 4Runner to a guy down the road from his parents, and the guy pulled the motor from the 4Runner and dropped it into an 88 Standard cab with a 5-speed. Now the guy's having me look at the motor cause it's a dog...it'll spin the tires in 1st but as you get into 3rd gear it's got no power, gutless.
Went to do a compression check and the first two spark plugs have a bigger thread diameter than the last two??? Like #1 and #2 are 13/16" and #3 and #4 are 5/8"?? I don't remember the plugs being different sizes when we worked on it before.
Felt like #2 was cross-threaded, and my compression tester wouldn't thread into it. I remember we had to heli-coil some of the holes on that head, but can't remember if we did any of the spark plug holes. The other cylinders are between 160-170psi. I put some pipe tape around the #2 plug before i put it back in.
Jumpered the diagnostic port and adjusted the timing by ear, the guy's timing light didn't work. Seemed a tad better after that but still gutless. Doesn't look like anyone's messed with the airbox. I know it does have a 261 cam from Engnbldr in it, the guy says he checked the valve clearances and they're within spec. Thought the Cat could be clogged but no difference with the exhaust disconnected.
When braking, or going faster than 40, the truck shakes like mad. The left front rotor is warped bad, but would that make the truck shake all the time? (Never had a warped rotor on a Toyota before).
I'll check the distributor and ignition timing next week when it's at my shop, just wanted to solicit opinions from everyone here. Maybe you'll have an idea of what could be wrong.
