#1 DO NOT try to take plugs out with engine still hot and be sure you are straight up and down on plug
yes, iron block w/ aluminum heads.... ls1 has aluminum block and aluminum heads
Aluminum
Heads are aluminum and block is cast iron
There are a variety of places where one can purchase SBC aluminum heads. One can purchase SBC aluminum heads online on the eBay website, and other retailers as well.
The 4.0 liter OHV has cast iron heads , the 4.0 liter SOHC has aluminum heads
Engine heads are constructed of iron or aluminum.
The 3.1 L V-6 engine in your Chevy Corsica Has Aluminum Heads
NO.
The heads are aluminum, the block is iron.
Whether a specific product or modification will work on aluminum heads depends on the application and the product in question. Generally, many performance parts and gaskets are designed to be compatible with aluminum heads, but it's crucial to verify compatibility with the manufacturer's specifications. Additionally, aluminum heads may require different torque settings and care during installation compared to iron heads. Always consult the product guidelines and, if in doubt, seek expert advice.
iron heads are about 48 lbs. each, aluminum heads are about 25 lbs. each
Some have aluminum engine blocks and/or cylinder heads, many of the sensors, intake manifolds