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- Proform 66792 Top Dead Center Locater
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Item #:
243453
Proform 66792 Top Dead Center Locater
Item #:
243453
MGA 102747
Price Details
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Order now and get it around Sunday, July 26
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Proform top dead center locator provides a positive stop for the piston.
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What Stands Out
Precision Technology
Utilizes cutting-edge technology to ensure accurate top dead center positioning, enhancing timing adjustments for optimal engine performance.
Durable Construction
Built from high-quality materials, this tool promises durability and longevity, ensuring consistent performance in demanding automotive environments.
Ease of Use
Designed for user-friendliness, enabling both professionals and DIY enthusiasts to quickly and effectively locate TDC without complicated setups.
Product Details
- Package Dimensions: 17.272 H x 1.778 L x 11.176 W (centimetres)
- Package Weight: 0.091 kilograms
- Fit type: Vehicle Specific
- Country of Origin: Taiwan
- Proform top dead center locator for small block Chevrolet V8s
- Threads into a spark plug hole and provides a positive stop for the piston
Who Should Buy?
-
Engine Mechanics
Perfect for professionals needing precise TDC measurements when working on various engine types and configurations.
-
DIY Enthusiasts
Ideal for hobbyists who perform engine rebuilds or adjustments in their home garage looking for accuracy.
-
Automotive Students
Great educational tool for students learning engine theory and practical applications in automotive courses.
-
Casual Users
Not suitable for those who perform infrequent car maintenance and lack technical understanding of engine mechanics.
Product Description
Proform 66792 Top Dead Center Locater
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What does the Proform top dead center locator do?
Answer: It provides a positive stop for the piston. -
Question:
Is the Proform top dead center locator compatible with small block Chevrolet V8s?
Answer: Yes, it is compatible with small block Chevrolet V8s. -
Question:
Where is the Proform top dead center locator made?
Answer: It is made in Taiwan. -
Question:
How far do you screw the center screw in to where it touches the piston?
Answer: Insert a screwdriver in the plug hole and get a rough top movement. Screw in the plug threaded part down center till it touches the piston. Make a reference mark. Gently rotate crank till piston touches. Mark again. Split the difference of two marks. -
Question:
Does this tool release the compression from the cylinder?
Answer: The threads are not that tight, so it may release pressure at a slow rate. The tool may not work well with high dome pistons, but should work fine with flat top pistons. -
Question:
Will this work on an outboard motor?
Answer: Yes, but it is important to understand the specific requirements for finding top dead center in outboard motors. -
Question:
Will it work on an international scout 345?
Answer: It is suggested to use cylinder #8 for timing and TDC on an IH 345 motor. -
Question:
Will this work for a Chevy big block?
Answer: The compatibility depends on whether the thread of the spark plug holes in the small block and big block are the same. It is recommended to check spark plugs on auto parts websites for compatibility. -
Question:
Will this fit a 1975 302 Ford engine?
Answer: This tool will fit a 5/8 headed spark plug. If your cylinder head requires a 13/16 socket to remove the spark plug, it will not work. If you have 5/8 head spark plugs, it works great! -
Question:
Will this fit an 89 base Firebird?
Answer: Yes, it will fit. Top dead center is at the end of the compression stroke, every other rotation. Follow the directions exactly. -
Question:
Is this the right tool to use to stop the engine when removing/installing a harmonic balancer?
Answer: No, it is not the right tool. It is recommended to use long bolts in the threaded holes of the balancer and a heavy screwdriver to keep it from turning. -
Question:
Has anyone used this piston stop for a Jeep Grand Wagoneer (AMC) 360?
Answer: The tool goes by plug size, not manufacturers. It requires manual adjustment by turning the motor over by hand and checking to avoid damaging the piston.
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16 June 2026 · via Trustpilot
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12 June 2026 · via Trustpilot
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MGA 102747
Order now and get it around Sunday, July 26
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Features & Benefits
- Compatible with small block Chevrolet V8s.
- Threads into a spark plug hole.
- Package dimensions: 17.272 H x 1.778 L x 11.176 W (cm).
- Package weight: 0.091 kg.
- Vehicle-specific fit.
- Country of Origin: Taiwan.
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