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Search: Posts Made By: Railcarmover
Forum: Model A (1928-31) 01-17-2018, 11:08 PM
Replies: 41
Views: 8,441
Posted By Railcarmover
Re: Interpreting Compression Test Results

Do you have babbit bearings?
Forum: Model A (1928-31) 01-17-2018, 10:57 PM
Replies: 41
Views: 8,441
Posted By Railcarmover
Re: Interpreting Compression Test Results

Do you have babbit bearings?
Forum: Model A (1928-31) 01-16-2018, 07:53 AM
Replies: 41
Views: 8,441
Posted By Railcarmover
Re: Interpreting Compression Test Results

I would install the guides dry.Id venture to say all your diagnostics done with the compression gauge are unreliable. Whats the visual conditions of the piston bores?
Forum: Model A (1928-31) 01-14-2018, 12:09 PM
Replies: 41
Views: 8,441
Posted By Railcarmover
Re: Interpreting Compression Test Results

Do it right,rework with modern valves, guides and springs.Its not that expensive.

https://www.brattons.com/modern-valve-kit.html

https://www.brattons.com/valve-springs.html
Forum: Model A (1928-31) 01-13-2018, 10:26 AM
Replies: 41
Views: 8,441
Posted By Railcarmover
Re: Interpreting Compression Test Results

Your engine is at maximum bore, sleeving is the next step with your cylinders,an expensive process.Your .011-.012 is larger than ford spec at .002 or the modern 'acceptable' spec of .005..Id do a...
Forum: Model A (1928-31) 01-07-2018, 09:14 PM
Replies: 41
Views: 8,441
Posted By Railcarmover
Re: Interpreting Compression Test Results

Simple...run it..or if your anal,lap the valves re ring it and shim the bearings..
Forum: Model A (1928-31) 01-07-2018, 01:01 PM
Replies: 41
Views: 8,441
Posted By Railcarmover
Re: Interpreting Compression Test Results

Wet/dry and leak down tell you the same thing,whether a potential issue is valve or ring related. any increase on the wet side of the wet dry test preclude a burnt valve being the issue,generally...
Forum: Model A (1928-31) 01-07-2018, 11:52 AM
Replies: 41
Views: 8,441
Posted By Railcarmover
Re: Interpreting Compression Test Results

I differ with your conclusions.A rise in readings with a 'wet' compression test indicates piston ring wear.An increase of crankcase pressure from using a higher compression head indicates compression...
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