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Underbody braces, turbos and more!

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 Post subject: factory bearings
PostPosted: Wed Oct 05, 2011 5:24 pm 
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Joined: Mon Nov 12, 2007 1:00 am
Posts: 663
Location: Lakeland , Florida
This might be a stupid question but i was trying to order a set of bearings from the dealer for the 1.6 and they needed to know what color bearings they were. Why do they have different bearings but all aftermarket are the same??? What is the difference in theyre bearings. IS it size or how hard they are??? Thanks Stephen


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 Post subject: Re: factory bearings
PostPosted: Wed Oct 05, 2011 8:50 pm 
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Joined: Sun Feb 23, 2003 4:16 am
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Location: Ontario, Canada
Size. Different colours will provide different clearance. It's like the number system on the pistons.

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 Post subject: Re: factory bearings
PostPosted: Fri Oct 07, 2011 8:01 am 
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Location: Lakeland , Florida
What type of clearance are you guys running on your motors??? and which colors are you guys using???


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 Post subject: Re: factory bearings
PostPosted: Sat Oct 08, 2011 7:06 pm 
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Location: Saint-Jérôme, Qc
you have numbers on the crank and the block, and there is a chart on what color (size) to use in each mains.

when you order aftermarket bearings you get all the same thickness, and different clearances, with low oil pressure as a result.

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 Post subject: Re: factory bearings
PostPosted: Sat Oct 08, 2011 7:15 pm 
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turbohull wrote:
with low oil pressure as a result.


Only if you have a problem, or are quite a bit outside factory tolerance.

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 Post subject: Re: factory bearings
PostPosted: Sat Oct 08, 2011 7:55 pm 
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Joined: Mon Nov 12, 2007 1:00 am
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Location: Lakeland , Florida
ok. well when the block and crank get here at the beginning of the week ill get the numbers.


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 Post subject: Re: factory bearings
PostPosted: Sun Oct 09, 2011 12:09 am 
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Joined: Thu Nov 20, 2003 1:04 pm
Posts: 15
Location: Kingston, Jamaica
The comparison of its stampings with the block stampings will only work if both block and crank are new / unworn. Crank wear will increase the bearing clearance ... So your best bet is measure the clearance on any bearings you use.

What I did on my rebuild was to put a bearing of the "correct" clearance based on crank / block stampings on each journal and use plastigauge to measure the actual clearance. The actual clearance was used to recalculate the colour bearing that was required. If you have the proper measuring tools, you can measure block and crank and do the calcultions no test bearing required.

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