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Is a four bolt main crankshaft the same as a 2 bolt main crankshaft?
Yes the crankshaft for say a 350 4 bolt and a 350 2 bolt is the same the only dif is in the block itself. Just make sure to check bearings to make sure the cranks are the same for bearings and have not been turned that would be the only dif in crank shafts the size should be on the bearings std., .001, .010 .020 and so on
If rod bearings where replaced and still have the same noise from the crackshaft would the motor be any good?
Did you measure the jurnalls to see if there is wear.If there is you may need a new crank.The crank bearings could also be gone.I also hoped that you used a plastic gauge when installing the rod bearings.
What are bearings in a bicycle?
Yes. W/o bearings the crank would spin directly in the bottom bracket shell. This'd steal energy and eventually wear the frame out.
What causes an engine to spin the main bearings?
what causes this is when the oil pump is broke or when it may get clogged with sludge from the old oil and there is no oil pressure at the crank journals and this creates friction because theres no oil and it spins a bearing this may also cause a rod to spin a bearing at the same time!!
Can a 400 transmission fit 305 Chevrolet engine?
yes a350 trans and 400 use the same bellhousing
Is the setting on the cam bearings the same on a 400 sb as a 350?
Yes the cam bearings are the same.
Can you change ej20 big end bearings without removing engine?
no, the crankshaft has to be removed to get to the bearings therefor removing the pullies, fan belts, timing belt, sump, main studs etc etc, if you are considering upgrading internal bearings i recommend doing a total rebuild, eg - arp head studs and main studs, eagle rods, forged or billet items inc pistons, rods, bolts, bearings, boring if needed and nitriting the crank along with the block for strengthening, no point in pulling a engine down just to change 2 bearings, may as well spend the time wisey and upgrade everything else at the same time. more money yes, but a small price to pay for 4 times the power and 10 times the strength and reliability :-)
Are wheel bearings and hub bearings the same thing?
In most cases, yes.
Are roller camshaft bearings required to install a roller cam?
roller bearings are only needed if engine has roller bearings, u would replace bearings with same bearings that are in engine and cam specs
Should front wheel bearings be replaced in pairs?
Always replace inner and outer wheel bearings on the same wheel at the same. You don't necessarily have to replace the bearings in both wheels at the same time, though it's not a bad idea, but always inner and outer on the same wheel at the same time.
Are all skateboard bearings the same size?
no
Is crank pulley same as harmonic balancer repair?
In most cases the crank pulley bolts to the balancer so the crank pulley would not be the same as the harmonic balancer.
