Where to look. There may be a great deal of grease and crud covering them that will have to be cleaned before you can read them. Also trying to read them while the motor is in a vehicle can also be harder, especially the block casting numbers and casting dates at the rear of the block. Hang in there, if you try, you can use a mirror and a little patience for the hard to see and reach areas.

Some folks also use a piece of aluminum foil to make a rubbing of the numbers and dates on the rear ledge of the block. Others have used children's Playdoh to make an impression of the numbers. Keep in mind that some of the numbers or letters can be difficult to read. A '6' can look like an '8' or an '8' can look like a '3'. A upper case letter 'I' can look like the numeral '1' and visa versa. Some times part of the number may be missing. Canzoniere Scout Con Accordi Per Chitarra Pdf. A 'T' can have the top horizontal part of the letter missing making it look like the upper case letter 'I' or a lower case letter 'l'.

Chevy Small Block V8 Cylinder Head Casting Numbers CASTING#.YEAR.ENGINE SIZE.NOTES. 10049875 Open 90- Pontiac/Chevy Aluminum Small port, race.

Small Block Chevrolet Cylinder Head casting numbers /minuit10 / corvette /head chevy /corvette l82. Casting numbers on the Gen I cylinder heads are cast in the heads where the rocker arms and valve springs do their work. Chevrolet Performance LS3 Cylinder Head. LT1 Small Block V8 cylinder head, casting number 10125320. The famous double hump cylinder heads, the #3782461 and #3782461X used 1.94/1.50-inch valves.