After a valiant attempt to find a quick solution to the problems with the motor in the red Toyota pickup things went bad. Very bad.
First it was discovered that a cam lobe was worn way down. So a new cam was purchased and installed, and broken in properly only to find that several lobes were wearing prematurely. The culprit appeared to be a broken rocker arm shaft that stopped the flow of lubricating oil, so the valve train assembly was replaced and another new cam installed.
A couple of hundred miles down the road and a distinctively bad sound occurred and performance went south. At that point it was better to look for a complete long block rebuild than to continue treating new symptoms.
The folks at LC Engineering stepped up to the plate and with their help I picked out a long block build that would provide me with excellent power and yet have a very street-able truck.
In about six weeks the build was complete and the engine was tested on LCE’s dyno. The cam was broken in and the motor was packed up and shipped to me with a new, light weight flywheel, clutch, and t/o bearing. This was a long block with forged pistons, stroker crankshaft and a mild cam all in a performance package that would work with the stock fuel injection and the existing LCE header and exhaust to produce about 175 hp.
After picking the crated engine at the local shipping depot and bringing the truck out to the shop the work commenced on draining fluids, removing the radiator and hood, and getting the old motor out.
Before we were able to hook it up to the engine crane Mark thought it would be a good idea to take a peek under the valve cover and see what might have been causing all those horrible noises.
Not that I wasn’t curious myself, but I also wasn’t sure how much I would enjoy looking at the damage that I supposed existed in the valve train.
We unbolted the valve cover and lifted it off to find a nice shiny valve train. Until we took a good look and saw the the number two intake valve spring had broken allowing the valve to drop and come in contact with the piston.
I was glad that the replacement and final solution was sitting just a few feet away in the crate.
It will take a few more hours, but soon the red truck will be back on the road. It is sorely missed and certainly ranks as my favorite daily driver.
More to come…