Sbc Oil Pan Bolt: Sizing And Fitting Guide

The oil pan bolt size for a Small Block Chevy (SBC) engine depends on the bolt's location and the model year of the SBC engine. For example, the front and rear bolts on some SBC engines have a larger 1/2 head, while the rest are 3/8. The thread pitch and length of these bolts also vary. It's important to use the correct bolt size and specifications for your specific SBC engine to ensure proper torque and sealing of the oil pan.

SBC oil pan bolt size for Chevy engines

The bolt size for an oil pan depends on the make and model of the car. For Small Block Chevy V8 engines, the oil pan bolt kit includes 18 pieces of 1/4x5/8” bolts and 4 pieces of 5/16x3/4” bolts. The bolt kit fits all 1955-1998 Small Block Chevy V8 Engines 265 283 305 307 327 350 383 400 (excluding Gen 2,3,4,5 Ls and Lt series engines).

For a 1990 SBC 350, the oil pan bolt kit includes (14) 1/4"-20 bolts, (2) 5/16"-20 bolts, and 2 studs with nuts. The older SBC 350 engines may not have the studs, and may instead require 2 additional 5/16" bolts.

For a 1967-1972 Chevrolet pickup truck with a Small Block Chevy engine, the oil pan bolt sizes are 1/4 inch, 5/16 inch, and 1/2 inch. The 1/4-inch bolts are about 1/2 inch long, while the 5/16-inch bolts are about 3/4 inch long. The front and rear bolts have 1/2-inch heads, while the rest of the bolts have 3/8-inch heads.

SBC oil pan bolt size for Ford engines

If you are looking for an oil pan bolt kit for a Small Block Ford V8 engine, there are a few options available. It is important to note that the size of the bolts in the kit will vary depending on the specific engine type and model year.

One option is the SBC SBF oil pan bolt kit, which fits Small Block Ford V8 engines from 1955 to 1998 with engine sizes of 260, 289, 302, and 351W. This kit includes 18 bolts that are 1/4x5/8” in size and 4 bolts that are 5/16x3/4” in size. The bolts are made of high-quality steel with a zinc coating, which helps to resist rust and corrosion.

Another option is the 22-piece oil pan bolt kit, which fits Small Block Ford V8 engines with engine sizes of 260, 289, 302, and 351W. This kit also includes 18 bolts that are 1/4x5/8” and 4 bolts that are 5/16x3/4”. The bolts are made of premium-quality stamped steel with a zinc-plated surface, providing rust and corrosion resistance.

It is always important to verify the compatibility of the oil pan bolt kit with your specific engine before making a purchase. Additionally, some kits may not include all the necessary bolts, so it is recommended to check the fitment and the number of required bolts for your particular engine.

SBC oil pan bolt size for Oldsmobile engines

The SBC oil pan bolt size for Oldsmobile engines is a topic that many car enthusiasts and mechanics are interested in. The oil pan bolt is an essential component in the engine's lubrication system, and it is crucial to use the correct size and type of bolt for a secure fit and effective sealing.

For Oldsmobile engines, the standard SBC oil pan bolt size is typically 1/4x5/8-inch for the majority of the bolts, with a smaller number of 5/16x3/4-inch bolts also included in the set. This combination of bolt sizes ensures a proper fit and seal for the oil pan, preventing leaks and ensuring adequate lubrication of the engine's vital components.

It's worth noting that the number of bolts and their specific sizes may vary slightly depending on the model and year of the Oldsmobile engine. However, the most common combination mentioned in aftermarket bolt kits is 18 pieces of 1/4x5/8-inch bolts and 4 pieces of 5/16x3/4-inch bolts, which cater to a wide range of Oldsmobile engine applications.

When purchasing SBC oil pan bolts for Oldsmobile engines, it's important to verify compatibility with your specific engine model and year. Additionally, the material and finish of the bolts are important considerations to make. High-quality bolts made from alloy steel or stainless steel with a zinc coating are recommended to resist rust and corrosion, ensuring the longevity of the engine's lubrication system.

In summary, the SBC oil pan bolt size for Oldsmobile engines typically consists of 1/4x5/8-inch and 5/16x3/4-inch bolts, with the former being more common in number. It is always advisable to refer to the manufacturer's specifications or seek advice from a qualified mechanic when working on your vehicle's engine to ensure the correct parts and procedures are followed.

SBC oil pan bolt size for Moroso oil pans

The Moroso 38551 Oil Pan Bolt is designed for Small Block Chevy engines. The bolt kit contains 18 bolts in total: 4 of 5/16-18 x .75" and 14 of 1/4-20 x .75". The bolts are short enough to fit in kick-out style oil pans and are an economical alternative to stud kits.

The Moroso 38551 Oil Pan Bolt is manufactured from Grade 8 steel and has a zinc-plated hex head flange design. The integral serrated washer face provides a self-locking effect. The bolt kit is suitable for Moroso Oil Pan Nos. 20160, 20165, 20170, 20171, 20172, 20173, 20175, 20175, 20180, 20181, 20182, 20183, 20184, 20185, 20186, 20190, 20191, 20193, 20195, 20196, 20200, 20201, 20205, 20206, 20211, 20212, 20230, 21015, 21017, 21019, 21308, 21312, 21314, 21315, 21318, 21319, 21325, 21326, 21327, 21328, 21329, 21551, 21552, 21811, 21812, 21813, 21814, and 21816.

The Moroso 38551 Oil Pan Bolt has received generally positive reviews, with an average rating of 4.3 out of 5 stars on Amazon.com. Some customers have noted that the bolts fit well and work great, while others have mentioned that the bolt heads are too small and that washers are necessary. It is important to note that these bolts are not suitable for stock oil pans with stock thickness gaskets as they may bottom out.

SBC oil pan bolt size for cast aluminium oil pans

The bolt size for cast aluminium oil pans for Small Block Chevy (SBC) engines depends on the model year of the engine.

For 1955-1998 Small Block Chevy V8 engines (265, 283, 305, 307, 327, 350, 383, 400), the oil pan bolt kit includes 18 pieces of 1/4x5/8” bolts and 4 pieces of 5/16x3/4” bolts. It should be noted that SBC engines do not need all bolts. These bolts are made of premium-quality stamped steel with a zinc-plated surface and offer rust and corrosion resistance.

For 1990 SBC 350 engines, the oil pan bolt kit includes 14 pieces of 1/4"-20 bolts, 2 pieces of 5/16"-20 bolts, and 2 studs with nuts.

For 1967-1972 Chevrolet and GMC trucks, the oil pan bolt kit includes 14 pieces of 1/4" bolts, 4 pieces of 5/16" bolts, 14 pieces of 1/4" flat washers, and 4 pieces of 5/16" flat washers. The front and rear bolts have 1/2" heads, while the remaining bolts have 3/8" heads. The smaller bolts are 1/4" coarse thread and about 1/2" long, while the four corner bolts are 5/16" coarse thread and about 3/4" long.

It is important to note that stainless steel bolt kits are not compatible with cast aluminium oil pans.

Frequently asked questions