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0w20 will be more than adequate. You’ll actually not benefit from going thicker, because even when you drive through Death Valley, your oil temp and coolant temp should stay within the normal range if your cooling system is working properly, and if you’re driving normally. I would honestly...

I just take my engine air filter out and blow it out with clean compressed air, from clean side to dirty side. Lots of dust comes out, but I make sure the clean side stays clean. Then I use a vacuum to clean the clean side before putting it back in. I never see any dirt or dust in the intake tubing.

I recently bought a vacuum fluid extraction pump for very cheap. I’ve attached a picture of the pump I bought. I’ve always been a diy backyard mechanic, and I fix everything on my own if it doesn’t require a lift, but I never owned or used a vacuum pump like this for some reason. Prior to buying...

I’m guessing it’s two stroke emd engine types you’re talking about?

I recommend washing the boots every once in a while with water, to remove dirt and stuff that collects. Dirt acts as a grit, and with the boots moving with suspension movement, the dirt will eventually eat away the rubber and cause it to tear.

Manufacturers have gotten so advanced with CAD engineering, to the point where they really can make a part so it fails exactly when they want it to fail. This is why we see so many “this just failed when my warranty plan just expired last month”.

Sealed bearings aren’t really air tight sealed, because when temperature rises, the heated air inside has to go somewhere.

Duty cycle, duty cycle, and again… duty cycle… You do not see industrial engines being built out of aluminum. Because aluminum cannot take high duty cycles as well as cast iron. Aluminum can only expand and contract and take heavy stress so many times before it eventually loses its strength to...

The warranty repairs are not approved by the dealer. It’s actually approved by the actual manufacturer. The dealer has to submit a claim to the manufacturer and they decide what happens. So in theory, dealers can’t pick and choose what car to repair under warranty or not. If the actual...

You ideally want all pistons to be the same weight. All pistons need to be within 5 gram of weight difference, if you want everything to last as long as possible. The weight limits are different based on the engine, but ideally you want all of them to be as close as possible, within 5 grams...

It’s all good. I installed new spider injectors, new regulator, new o2 sensors, distributor, wires, spark plug and all. It runs great, it just drinks too much gas. It’s just how these engines are. It’s a 2001 4.3 Vortec with mpfi and all that.

I was just joking because this engine thinks it’s a v8, except it doesn’t produce the power like a v8 lol

I would just replace all the injectors. I’ve seen these engines with stuck open fuel injectors and that can seriously do some big damage if the problem goes unnoticed. This happened with my 2010 ford Taurus one time. The check engine light started flashing while I was driving, and the car was...

I’m really tempted to try running 0w16 in my Chevy 4.3 vortec. This things drinks gas like crazy, and maybe some 0w16 will help it

My 2001 Blazer with the cast iron 4.3 had severe rusty coolant issues, from Dexcool and tap water being used by the previous owner. I’m talking about radiator cap, radiator core, and heater core being completely plugged with gunk and sludge to the point of overheating after sitting for a couple...

I just did a coolant flush on my 2001 Chevy Blazer with the cast iron 4.3 Vortec. I put in Prestone Max Coolant, which is supposedly their longest lasting best coolant, and it’s a HOAT type based on the research I’ve done. The previous owner used Dexcool Orange coolant and I’m assuming quite a...

Dexcool does it again! Dexcool is good coolant, but only if it gets changed regularly, and only if the cooling system never ever has any sort of leaks or air in the system. What I would do is flush the cooling system with how ever many gallons of distilled water until it drains somewhat...

I learned a very very hard lesson with my 2001 Chevy Blazer with the cast iron 4.3 vortec engine. I think the previous owner used Dexcool and tap water in the cooling system. I was dumb for not checking the coolant when I bought the truck, and I’ve went through so much trouble trying the clean...

2001 Chevy Blazer 4.3L Vortec. About 106k miles. Previous owner used plain tap water and Dexcool for god knows how many years in the cooling system, so my cooling system was heavily rusted when I bought it two years ago. I used to have overheating problems because of this. So, I flushed the...

Why do people “mix” different oils for? No need to mix different brands, because at the end of the day, using a good oil that has api or acea or whatever spec you like, and changing it on time is what matters the most. I’m an engine/car/oil enthusiast too, (that’s why I’m on Bitog), but I never...