What is the difference between standard and undersize bearings?

Standard (STD) bearings are used when the crankshaft journals are still at their original factory size. If the crankshaft has been machined undersize due to wear or damage, you would need to use bearings that are 0.010, 0.020, or 0.030 inches undersize to compensate.

Do I need to buy anything else to install these bearings?

Yes, for a proper engine rebuild, you'll need engine assembly lubricant to coat the bearings and journals before installation. You'll also need to ensure your crankshaft is clean and within spec, and you'll be replacing other gaskets and seals as part of the rebuild process.

How do I know if my crankshaft needs undersize bearings?

You can determine if you need undersize bearings by measuring your crankshaft journals with a micrometer. If they measure smaller than the factory specifications, you will need to use the corresponding undersize bearings. It's best to consult a service manual for your specific vehicle for exact measurements.

Specifications

Brand: ACL
Part #: 8B818A-STD

ACL Ford Prod. V8 370-429-460 1968-98 Engine Connecting Rod Bearing Set

Name: ACL Ford Prod. V8 370-429-460 1968-98 Engine Connecting Rod Bearing Set
Brand: ACL
SKU: acl-acl-ford-prod-v8-370-429-460-1968-98-engine-connecting-rod-bearing-set-t14-630752
Price: 28.17 USD
Availability: BackOrder

$28.17

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Fits 1969-1973 Ford Country Sedan. ACL connecting rod bearings for Ford V8 370, 429, and 460 engines. Essential for engine rebuilds.

Key Features

Fits 1969-1973 Ford Country Sedan.
Designed for Ford V8 engines including the 370, 429, and 460 cubic inch displacements.
Standard (STD) size bearings are suitable for crankshafts within factory specifications.
Connects the connecting rod to the crankshaft, allowing for smooth rotation.
Essential components for engine rebuilds and major engine repairs.
Sold as a complete set for all connecting rods.

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About this part

Product Details

Doing an engine rebuild on your 1969-1973 Ford Country Sedan with a 370, 429, or 460 V8? These connecting rod bearings from ACL are a critical part of getting your engine back in shape. They sit between the connecting rod and the crankshaft, allowing the rod to spin smoothly while handling the immense forces from combustion. Worn bearings can lead to knocking noises and, eventually, catastrophic engine failure, so replacing them is a key step in any major engine work.

ACL has been making engine bearings for a long time, and these are well-built for the job. They're made to the standard (STD) size, meaning they're for use when the crankshaft journals are still within factory specifications. If your crankshaft has been machined undersize during a previous rebuild, you'd need a different size bearing, but for a standard rebuild, these are what you'll want. They're designed to handle the demands of those big Ford V8s.

When you're putting in new bearings, it's important to make sure everything is clean and properly lubricated with assembly lube. This helps prevent premature wear right from the start. These bearings are sold as a set, covering all the connecting rods in your engine.