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The bore is 83mm (3.270"), stroke is 70mm (2.7559") total displacement is 379cc

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14y ago

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What is the difference between a Chevy 400 and a Chevy 350?

The bore and stroke is different, But if you set the 2 side by side they will look the same other then some 400 engines have an extra freeze out plug in the side of the block that the 350 don't have. 350 bore and stroke is 4.000 bore,stroke is 3.480 400 bore is 4.125 and stroke is 3.750


What are the bore and stroke specs for a Pontiac 400 CID Y block?

Bore 4.120 Stroke 3.75


Is Polaris Scrambler 500 2 or 4 stroke?

4-stroke... The 400 is a 2-stroke


Is 2000 Polaris Xplorer 400 4x4 is it a 2 stroke or 4 stroke engine?

2 stroke


Does a polaris 400 2 stroke have lower end oil?

yes it does


Where do you add oil on a 1991 polaris sportsman 400?

Most 91 polaris 400's are 2-stroke , and there is an oil tank in the front . Make sure the oil is 2-stroke oil for injection .


Is polaris ATV 1995 400 liquid cooled a 2 stroke engine?

The 1995 Polaris ATV 400 is equipped with a four-stroke engine, not a two-stroke engine. This model features a liquid-cooled system designed to maintain optimal operating temperatures. Polaris ATVs from that era typically utilized four-stroke technology for better efficiency and reliability.


How do you make a small block 454?

bore and stroke a chevy 400 smallblock.


Is a 1995 Polaris explorer 400 two-stroke or four stroke?

The 1995 Polaris Explorer 400 is a two-stroke engine. This type of engine is known for its simplicity and lightweight design, which contributes to the vehicle's performance and handling. Two-stroke engines typically provide more power for their size compared to four-stroke engines, making them a popular choice for snowmobiles and ATVs like the Polaris Explorer.


How do you adjust valves on a 2004 polaris sportsman 400?

There is no valves as it is a 2-stroke engine .


Is a 1995 polaris 400 cc sportsman a 2 or 4 stroke?

The 1995 Polaris Sportsman 400 is a four-stroke ATV. Polaris designed this model to offer better torque and fuel efficiency compared to two-stroke engines, making it suitable for various terrains and riding conditions. The four-stroke engine provides a smoother power delivery and is generally more environmentally friendly.


What is the difference in the gm engine 400 and 455?

If you mean the difference between the Pontiac 400 and 455....the differences are the bore size, the crank stroke length, and the main bearing journals. All are bigger on the 455. However, there is also a small block Chevy 400....which has nothing the same as the other two. The Pontiac 400 has a bore of 4.12, stroke 3.75 and 3" main journals. The 455 has a bore of 4.151, stroke of 4.21, and 3.25" main journals.