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Old 02-12-2005, 06:52 PM
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Lakewood bellhousing

I have a lakewood bellhousing thats for my 302, now i have argued time and time again with my friends, and i wanted to ask the experts.
I DONT UNDERSTAND WHY YOU HAVE TO DIAL INDICATE THESE BELLHOUSING, TO MAKE SURE THEY ARE ALIGNED PERFECTLY WITH THE CRANK OR TRANS, WHEN YOU DONT HAVE TO FOR A REGULAR BELLHOUSING.?!?!?!
I mean there are 6 bolts holding it on, you can only move the bellhousing around in thousandths around those bolts when they are in, but you can do the same movements with a regular bellhousing!!!
I mean on a daily road driving basis... not racing.. will this couple thousandths really wear my input shaft or seals out?? When a regular bell does fine???
I dont get it
And im not sure if i will.. please try to help me out..
Either im misinformed or stupid...lol

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Old 02-12-2005, 07:01 PM
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you may be able to get away with not alining the c/l of the bell to the c/l of the engine but if your clutch disk is offcenter in the preasure plate then the engine will be slightly out of balance and this could lead to the reason you need a scattershield in the first place- to keep a clutch explosion from taking your feet off.
if you put it together without centering the bell and you notice any vibration or irratic clutch operation then you will need to adjust the C/L of the bell to the C/L of the crank to get rid of it.
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Old 02-12-2005, 07:13 PM
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To prevent pilot bearing wear, main shaft wear and its done thru the dowel pins.
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Old 02-12-2005, 09:58 PM
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exactly if the dowel pins are already on your block.... then whats then point of dialing this think in????
I dont see how a couple thousandths off, will ruin a daily driver.. in a race car that revs 5-6 grand all the time it might.. i just dont see it ,, i dont know....
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Old 02-12-2005, 10:07 PM
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Quote:
Originally posted by shagginwagonvic
exactly if the dowel pins are already on your block.... then whats then point of dialing this think in????
I dont see how a couple thousandths off, will ruin a daily driver.. in a race car that revs 5-6 grand all the time it might.. i just dont see it ,, i dont know....
http://store.summitracing.com/partde...4&autoview=sku

Like allready stated you more than likely wont see a problem on a street motor, but why not take the extra few mins and do it right?
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Old 02-13-2005, 06:34 AM
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Misalignment

A bell housing tha tis out of line can cause premature failure of components..so we check that..can make the difference in a long lasting and satisfactory instllation on a daily driver and well as on a race car..

That is why we check out this sort of thing as the car goes together..

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Old 02-13-2005, 04:51 PM
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bellhousing

Every single blowproof bell i have checked has been off at least .
015" ( in the up and down direction) the side to side is usually with in .005"

What you need to do is drill out the pin holes. Then you align the bell correct by mounting a dial indicator to the crank and indicating the pilot bore. Then weld rings (that have a reamed hole the same size as the bell) onto the bell in the correct location. Many transmission builders like tremac will not even Honor they guarantee if you do not indicate the bell.....

A missed aligned bell causes a mess of problems. Including a hard shifting trans if it's off alot...I strongly recommend taking the time to do it right...

Keith
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