 EndPlay Shims |
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| Amphicar770 |
 Feb 3 2016, 11:10 PM
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#1
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Senior Member  Group: Members Posts: 1,197 Joined: 20-April 10 From: PA, USA Member No.: 11,639 Region Association: MidAtlantic Region 
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I thought I saw one of the vendors selling a set of crankshaft end-play shims. Do not know if I will actually need them, just thinking ahead for when I put the new clutch and refaced flywheel back in. Do not want to pay $15 a shim for something I may not even need.
Still removing / refinishing all the tins and cleaning up the engine compartment. Thanks, Mike |
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| somd914 |
Feb 4 2016, 04:50 AM
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#2
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Member Group: Members Posts: 1,171 Joined: 21-February 11 From: Southern Maryland Member No.: 12,741 Region Association: MidAtlantic Region |
Resurfacing the face of the flywheel shouldn't affect end play. It is related to the mating surfaces of the crank and flywheel. If you swap flywheels, check the end play.
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| stugray |
Feb 4 2016, 08:10 AM
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#3
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Advanced Member Group: Members Posts: 3,825 Joined: 17-September 09 From: Longmont, CO Member No.: 10,819 Region Association: None |
QUOTE(somd914 @ Feb 4 2016, 03:50 AM)  It is related to the mating surfaces of the crank and flywheel. If you swap flywheels, check the end play. Its actually related to how much has the axial thrust bearing surfaces of the main bearings worn. If you have had an engine apart, do you remember the flat sides of the rear main bearing? left side in this photo: (IMG:http://www.914world.com/bbs2/uploads_offsite/www.ephotomotion.com-10819-1454595048.1.jpg) |
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| somd914 |
Feb 4 2016, 07:25 PM
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#4
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Member Group: Members Posts: 1,171 Joined: 21-February 11 From: Southern Maryland Member No.: 12,741 Region Association: MidAtlantic Region |
QUOTE(stugray @ Feb 4 2016, 09:10 AM) QUOTE(somd914 @ Feb 4 2016, 03:50 AM) It is related to the mating surfaces of the crank and flywheel. If you swap flywheels, check the end play. Its actually related to how much has the axial thrust bearing surfaces of the main bearings worn. If you have had an engine apart, do you remember the flat sides of the rear main bearing? left side in this photo: (IMG:http://www.914world.com/bbs2/uploads_offsite/www.ephotomotion.com-10819-1454595048.1.jpg) Nice shot and thanks for the clarification. In this particular case, from my understanding but I'm still learning the internals of Type IV's, if the end play is within spec, resurfacing the flywheel will not affect it, but if changing the flywheel, verify end play as this can change due to machining differences on the crank side of the flywheel. Is that a correct statement? Also if end play is out of spec, at what point should one be concerned about internal wear and head for a rebuild versus shimming? Is this even a valid statement. Thanks. |
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Posts in this topic
Amphicar770 EndPlay Shims Feb 3 2016, 11:10 PM
Philip W. you need to measure this before driving. if it is ... Feb 4 2016, 07:21 AM
Philip W. There is a max that it can be out of spec, if exc... Feb 4 2016, 07:35 PM |
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