Block Machining
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Topic author - Posts: 596
- Joined: Sun Jan 06, 2019 6:10 pm
- First Name: Brad
- Last Name: Kirtner
- * REQUIRED* Type and Year of Model Ts owned: 1924 Touring Car, 1927 Closed Cab TT, 1927 Coupe
- Location: Salem, Virginia
- MTFCA Number: 50618
- Board Member Since: 2018
Block Machining
Due to the heating process of pouring Babbitt, is t best to machine the cylinders and deck surface before or after the Babbitt is poured? I can think of reasons to justify both ways but what's more widely accepted?
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- Posts: 1302
- Joined: Mon Jan 07, 2019 2:42 pm
- First Name: Frank
- Last Name: van Ekeren
- * REQUIRED* Type and Year of Model Ts owned: 1916 touring, 1916 pick-up, 1924 coupe, 1926 touring, 1927 touring
- Location: Rosedale Vic Australia
Re: Block Machining
Heating the bearing saddles for babbitt doesn't require a temp that would efect the cast iron. My cylinder boring bar is a Repco, same as a van Norman and uses the saddles for clamping, so bore before pour, although I did make a clamp for it to do when babbitt isn't going to be replaced.
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- Posts: 5256
- Joined: Sun Jan 06, 2019 7:21 pm
- First Name: Allan
- Last Name: Bennett
- * REQUIRED* Type and Year of Model Ts owned: 1912 van, 1917 shooting brake, 1929 roadster buckboard, 1924 tourer, 1925 barn find buckboard, 1925 D &F wide body roadster, 1927LHD Tudor sedan.
- Location: Gawler, Australia
Re: Block Machining
I have mine bored prior to pouring the bearings, but leave the final honing until after the bearings are poured, mainly to ensure all is clean before building.
Allan from down under.
Allan from down under.