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engine assembly 1 ?

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Old Sep 28, 2007 | 03:42 PM
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grjp1988's Avatar
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From: cincy, oh, USA
Default engine assembly 1 ?

I have a question about the engine my machinest degreed the cams in by turning the motor counter clockwise he said usally on other motors like bb's and sb's they dont do that and when he rotates the motor counter the timing belt is fine but when he trys to go clockwise the timing belt gets a little loose. anything wronge here. and another thing he said the gears didnt line up exaclty straight they are off by a hair sorry by the sloppyness
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Old Sep 28, 2007 | 05:21 PM
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Default Re: engine assembly 1 ? (grjp1988)

Some motors, like older Honda motors, are designed to rotate CCW at the front of the motor.

It's okay that the gears didn't line up because if he degreed the camshafts in to the truest sense of the term, then the alignment markings on the cam gears are irrelevant.
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Old Sep 28, 2007 | 06:56 PM
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would you consider the 98itr an "older honda motor"
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Old Sep 28, 2007 | 07:52 PM
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Default Re: (grjp1988)

Yes. B-series motors are so last century.
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Old Sep 28, 2007 | 07:56 PM
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Default Re: engine assembly 1 ? (grjp1988)

B Series engines turn counter-clock wise.

Was your head milled, or resurfaced? That will cause the timing marks to be slightly off.
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Old Sep 28, 2007 | 08:01 PM
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sounds pretty normal to me. this is why you rotate CCW to tension the timing belt. otherwise you will have a ton of slack on the firewall-side of the belt and it wont be correct. rotating CCW tightens the slack on the firewall-side of the belt, and allows the tensioner to take care of the slack on the header-side of the belt.

id be a little worried about the cams not lining up unless the head/block was machined significantly but im paranoid like that. as long as you can rotate the motor several times and the cams/timing belt staying consistent, you should be fine.
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Old Sep 29, 2007 | 04:45 AM
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thanks for your help guys. the motor is pretty much fully built besides sleeves yes the head and block were both milled
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