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Re: [GMCnet] Overbore Size [message #328541 is a reply to message #328540] Tue, 23 January 2018 11:18 Go to previous messageGo to previous message
jimk is currently offline  jimk   United States
Messages: 6734
Registered: July 2006
Location: Belmont, CA
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Senior Member
It's worth the time to contact people like Dick Patterson as he is familiar with the 455/403

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> On Jan 23, 2018, at 10:52 AM, John Wright wrote:
>
> Dave,
> You are not that far from Dick Paterson up in Coldwater, ONT. You can reach him at 705 325-4554. He is the go to person on the 455 engine and the 403 too.
>
> J.R. Wright
> GMC GreatLakerTech Editor
> 78 Buskirk 30' Stretch
> 75 Avion Under Reconstruction
> Michigan
>
>> On Jan 23, 2018, at 9:31 AM, Dave King wrote:
>>
>> On a LOT of engines 0.060" is probably over the RECCOMMENDED maximum.
>> Ken H. knows some engine people that could probably give a very educated opinion.
>> 0.060" might work on a particular block but not on another of the same type/brand, etc.
>> Core shift.
>> Ken H's friend might also be willing to tell us about "core shift"
>> --
>> DAVE KING
>> lurker, wannabe
>> Toronto, Ontario, Canada
>>
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
 
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