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Labor Day Putting down your wrenches or time for
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#42095 05/16/2005 5:57 PM | Joined: Aug 2004 Posts: 56 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2004 Posts: 56 | My engine is out being machined. New pistons, bearings etc. My machinist would like to ballance the crank but says its not absolutly necissary. What do you guys think. He says it will help eliminate any vibration. | | |
#42096 05/16/2005 6:17 PM | Joined: Sep 2004 Posts: 148 Member | | Member Joined: Sep 2004 Posts: 148 | definately. it will make the engine run smoother, and last longer due to less vibrations. i would balance the entire bottom end (crank, rods, & pistons) but that it just me. definately do the crank.
what size motor is it?
2003 ford lightning
1959 chevy 36
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#42097 05/16/2005 7:44 PM | Joined: May 2001 Posts: 1,904 'Bolter | | 'Bolter Joined: May 2001 Posts: 1,904 | My engine guy also balanced the pistons and flywheel for an extra $125. He used several drill sizes on the flywheel, finally making dimples with a 1/8 in. diam drill. That impressed me. I think it was well worth the money.
1948 3/4-Ton 5-Window Flatbed Chevrolet 34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.
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#42098 05/20/2005 12:42 AM | Joined: Aug 2004 Posts: 56 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2004 Posts: 56 | The engine is a GMC 228. It was pretty tired as the cylanders were worn +/- 42thou. But still a strong heavy block with plenty of meat left. Will bore 60 over. Crank has alreadey been turnd 10 thou. But its the origional engine and thats my plan for the whole truck. Yes i have decided to ballance the crank rods pistons flywheel and ballancer.
The frame is painted, front end completed and Im really feeling good about the whole truck. Not much more grease and filth left and I dont call her "Rusty" anymore. Need a new name. Anyway thanks for the input on ballancing. G. Lee | | |
#42099 05/20/2005 12:47 AM | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | They didn't come finely balanced from the factory and so most people have no idea how smooth they could run. Things must have impoved because by the time they got to the 230/250 series, there was a world of difference! | | |
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