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main journal size by vladfiero
Started on: 08-14-2013 05:34 PM
Replies: 2 (47 views)
Last post by: Bloozberry on 08-14-2013 06:07 PM
vladfiero
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Report this Post08-14-2013 05:34 PM Click Here to See the Profile for vladfieroClick Here to Email vladfieroSend a Private Message to vladfieroEdit/Delete MessageReply w/QuoteDirect Link to This Post
i cannot find the main journal diameter for the 1985 2.8 L engine, its been two sets of bearings that I buy that are too small which I have been assured that are the correct ones for my engine, my old bearing have a diameter of 72mm I believe. any help is appreciated
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AL87
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Report this Post08-14-2013 05:45 PM Click Here to See the Profile for AL87Click Here to Email AL87Send a Private Message to AL87Edit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by vladfiero:

i cannot find the main journal diameter for the 1985 2.8 L engine, its been two sets of bearings that I buy that are too small which I have been assured that are the correct ones for my engine, my old bearing have a diameter of 72mm I believe. any help is appreciated


in 85 the journals for the blocks went from a smaller size to a larger one.

fieros should only have the later model main bearing size in the v6's, see if the bearing part numbers for an 86 year are the same. (they shouldn't be) and should be the right size.
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Bloozberry
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Report this Post08-14-2013 06:07 PM Click Here to See the Profile for BloozberrySend a Private Message to BloozberryEdit/Delete MessageReply w/QuoteDirect Link to This Post
The original main journal diameter (from the factory) was 67.250" but acceptable tolerances were from 67.241" to 67.265" according to the service manual.
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