Reviews of GENERAL MOTORS parts For Business

Those coils are reliable. I generally don't recommend replacing GM coils unless there's a circuit code for a specific cylinder, and I try to confirm that by swapping coils. Random misfires (P0300 Code) are almost never the coils. Cylinder specific misfire codes should swap coils around with the new plugs to confirm. The plug usually fixes the misfire. The code might move with the coil, indicating the coil is the problem. Or the code may stay on the same cylinder, in which case the wiring and fuel injector need to be checked.

I did the LS coil kit, I ordered dragonfire plug wires and a harness adapter from ebay then just got the coils for any gm v8 really, I got mine from a 2013 Chevy 1500 with the 5.3, they have better coils that last longer and produce a better spark

Replacing the filter is a pain. I have a 2013 Traverse. But I have found a way to do it without spilling oil or making a mess.

GM Syncromesh seems to be the best.

My ultimate solution was to run some OEM GM HP tall valve covers with the factory baffle. The factory used a layered baffle design that is very effective for normal street use. Can't cut it with high G's and rev's associated with Autocross and Track Days though.

The starters on the V8 trucks are made of paper mache.

three alternators in a Cadillac, even "new GM" are remans, only way to get a new one (never installed, made of new parts, new for you) is to buy a new car.

The handle like trash, the brakes are trash, huge amounts of chassis flex, the t56 manual transmission is pretty durable though. The interiors are absolute crap as well and not durable.

The GM pads are absolutely trash, they don't do anything right.

I had the GM 3.6L in my CTS Sportwagon and it needed a timing chain replacement at 42,000 miles. Literally 2 weeks after I bought it I had to drop $3k on it.