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Plastigauge - Plastic Presicion Clearance Gauges PL.A

Plastigauge - Plastic Presicion Clearance Gauges PL.A

£8.29 (ex. VAT)
Stock Status: In Stock
For Measurements Of :  0.001" - 0.007"  /  (0.025mm - 0.175mm)

 PLASTIGAUGE provides a simple but effective method for the measurement of clearance between
 fitted surfaces. It is particularly useful for measuring clearances in split bearings or in situations
 where a feeler gauge cannot be inserted. Measurement of clearance in big-end bearings can be
 achieved without dismantling the crankshaft.

 The normal clearance in the big-end or main bearing
 should be approximately one part in 2,000 of the diameter. Thus a journal of 2” (50.8mm) in
 diameter may be expected to show a clearance of 0.001” (0.025mm).
 The oil escape from a pressure fed bearing increases by roughly the square of the clearance.
 Thus a clearance of 0.002” (0.050mm) can pass almost twice as much oil as with 0.0015”
(0.038mm). If the pump capacity cannot meet this demand the pressure will fall and the bearing
 will be damaged. This illustrates the importance of accuracy in fitted bearings.
 PLASTIGAUGE may be used to detect high spots in cylinder heads, pipe flanges etc. It is useful
 in production, inspection and servicing.

Used extensively by Professional Race engine builders or single engine builds.
Used for Marine drive shaft bearings,Turbine housings, shaft end float .

Cosworth Tuning and Performance Parts Specialists Graham Goode Racing Tel 0116 2440080
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