They did a good job on my Subaru heads. Completed within 48 hours. Service was good. They called me and gave me updates along the way.

Please what ever you do DON'T HAVE THIS SHOP TOUCH YOUR ENGINE OR TRANSMISSION! I had General Machine re-build both the Engine and Transmission on my Truck at the beginning of this year. I paid a total of over $5000,00 to them for the work. Since the 1st day I picked it up. I have had nothing but problems. It has gone back to them 3 times, just so the transmission would go into over drive. The truck burns at least 1 court of oil a week. Had over-heated at a clients house. 0 'S. Now it is not drivable. I HAVE LEFT MESSAGE AFTER MESSAGE. NEXT STEP SMALL CLAIMS COURT AND DEPARTMENT OF CONSUMER AFFAIRS. VERY DISSATISFIED. read more

So my father that's been a mechanic for 45 years or so he wasn't able to do a job for me. So he referred me to Jaime at General machine shop Jaime's been doing Mechanics for over 30 years and I had a complete heads repair to my 2006 Dodge Dakota. I'm very happy with the work Jaime's Machanic did for me. Very professional Work .... read more

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Dropped off my parts to have some bushing pressed out and the new ones pressed in. Guy said he was super busy but could get them done within 1.5 hours. Came back and stuff was done. read more

I had purchased a 91 4Runner 3.0L (3VZE) for $1600 last summer and had little knowledge of the previous ownership but it ran well with 230K miles. That was until I stressed it hard on the pass near Lake Castaic on interstate 5 and spent the night on the side of the road with a blown Felpro head gasket on cylinder #1 at one of the blind water galleries that is closest to the compression ging in the gaskets construction. I had discovered the failure after I tare the engine down four months later and come to find the spark plug insulator on #6 has peppered the piston and head, and filled the CAT with ceramic particles. What is more three of the six wrist pins are seized in the pistons and have scuffed the bores, time for a rebuild! This wrist pin seizure can happen when you overheat cast pistons on the 3VZE. I hone the block, put in new pistons, rings and exhaust valves and get away I think with a pretty cheap rebuild of some $300 for new MLS head gaskets, ARP head studs and $200 for misc engine parts from eBay. I am driving the 4Runner to work as apart of the break in and there is a strange knocking rattle which is a new sound. Then the remote oil filter relocation kit blows a hose off the engine block and before I can turn the ignition off it seizes as I coast to the median by El Toro Rd! I can't believe it, AAA again inside of 6 months. So, I remove and tare down the the engine again!... Well at least its clean this time except for the drivers side which is coated with fresh 30 weight oil. Inspection reveals that the crank will need to be turned as # 3 has spun and two of the 6 new pistons have seized wrist pins. Dang what brand were they that I found on eBay for $50, well you get what you pay for!... I load the block, crank and girdle into the trunk of my Jensen Healey as General Machine Shop is 3 miles away from where I work in Tustin and I can drop it off during my lunch hour. Ed at the desk acknowledges my call I had made and I see that the counter and facade above the isles of inventory are strewn with every brand of engine part internal you can imagine. This is definitely the right place to have come for getting this engine sorted out. I immediately ask what brand of piston will they be fitting in the block and how good can they prep the decks for an MLS head gasket installation. The guys over at LC Engineering recommend an average roughness of 25 and that is into the lapping realm as best I can figure. I ask Ed, " can you remove the alignment sleeves from the block which position the heads and gaskets. They can and I ask Ed if I can take on the reassembly myself to get the price down. We agree that they will hang the new pistons on the rods and I will do the rest. So for $792 the block is bored and honed for oversized pistons, the #3 rod is reconditioned and the rest bored for oversized bearings, the crank ground and the deck is fly cut for MLS finish requirements. When I call over a week later the sleeves are in the block and I ask if they can remove them before I come and pick it up and am thinking they haven't even decked the blasted surfaces! When I arrive the sleeves are on a piece of wire and the machined deck surfaces and the bores are absolutely perfect. The crank is so nice I had no idea just how bad the OEM journals were. After I get it all back together the initial start up is a true testament to the precision of the internals and I realize this is the first brand new engine I have ever owned. So this time with double hose clamps on the remote oil filter lines and the Professional Products all billet 40 micron Power Filter in place, without a bypass, I start her up and this rattle is heard. It's not the engine but the new 4 hole Bosch fuel injectors. They dwarf the engine sound at idle but are soon drowned by the roar as the RPM increases and the Thorley Header rings out over what had been the OEM cast iron manifolds muffled excuse! The speeds I can gain with relatively light throttle settings are significantly higher than what had been before the HG let go! You should see what I did to the heads, intake and plenum with my die grinder using rotary drum sanding cylinders. They are port matched and bored out some where the as-cast roughness is taken away and smoothed. Heads and block decks are hand lapped in three stages with decreasing grit emery paper and WD-40. Using the cast iron tool rest from my drill press. It was awesome to watch the dips in the cylinder block disappear while I lapped the surfaces with a continuous figure 8 motion over the length of the blocks deck because the surface area is reduced some as a fly cutter passes over the in-between-cylinder areas of the block which allows the cutter to dive deeper into the steel and literally remove more of the surface between the cylinders. This is the last thing you want for your block to have going on. So hand lapping the block is a nice final step for MLS head gaskets! read more