What kind of bolt pattern does a 168 tooth flexplate use?
What kind of bolt pattern does a 168 tooth flexplate use?
A 168 tooth flexplate uses a 11 1/2-inch bolt circle. Some aftermarket flexplates are drilled with both patterns to accept large and small diameter torque converters. You can also note that a 153 tooth flexplate always uses the straight bolt pattern starter, and the 168 tooth flexplate uses a angle bolt pattern starter.
What kind of flexplate do I need for a small block Chevy?
Whether you’re racing or building a street vehicle Speedway Motors offers several flexplates to choose from for your small-block Chevy engine. Both SFI rated for the track and non-rated for street applications. There are four main factors to consider when purchasing a flexplate.
What are the flywheels and flex plates on a Chevy engine?
Gen I and Gen II Chevy engines featured two available diameters of flywheels / flex plates and two corresponding tooth counts of 153 and 168. Gen III, IV, V LS/LT series engines feature only the large diameter, 168 tooth flywheels and flex plates, but carry either a 6, 8, or 9 bolt crank flange. Early GM (Chevrolet) Small Block Engines
What’s the correct bolt count for a flexplate?
The key to choosing the correct bolt pattern and tooth count is measuring the torque converter you are using. A 153 tooth flexplate will be paired with a torque converter that has a 10 3/4-inch bolt circle. A 168 tooth flexplate uses a 11 1/2-inch bolt circle.
A 168 tooth flexplate uses a 11 1/2-inch bolt circle. Some aftermarket flexplates are drilled with both patterns to accept large and small diameter torque converters. You can also note that a 153 tooth flexplate always uses the straight bolt pattern starter, and the 168 tooth flexplate uses a angle bolt pattern starter.
Whether you’re racing or building a street vehicle Speedway Motors offers several flexplates to choose from for your small-block Chevy engine. Both SFI rated for the track and non-rated for street applications. There are four main factors to consider when purchasing a flexplate.
What to look for when buying a flexplate?
There are four main factors to consider when purchasing a flexplate. The crank style: One or two piece rear main seal. Older style blocks (’55-’85) used a two-piece seal, ’86 and up blocks used a one-piece seal. The torque converter bolt pattern: large 11 1/2-inch or small 10 3/4-inch. Ring gear tooth count: 153 or 168.
The key to choosing the correct bolt pattern and tooth count is measuring the torque converter you are using. A 153 tooth flexplate will be paired with a torque converter that has a 10 3/4-inch bolt circle. A 168 tooth flexplate uses a 11 1/2-inch bolt circle.
