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#11
April 12th, 2016, 02:43 AM
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Re: v-12 project begins
If you go to Orielly's you need to find someone that knows how to use a book. The one I go to has a book on industrial engines. The 702 is listed in there. Bob
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#12
April 12th, 2016, 02:48 PM
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Re: v-12 project begins
orielys is where i got the rope seal. it is the only seal they list. i believe the seals are all the same for v-6 and v-12 engines. i will try looking for a complete set for a 305 and see what it contains
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#13
April 13th, 2016, 06:52 PM
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Re: v-12 project begins
FEL-Pro BS40048 is probably the only thing you can get for seal. Let us know if you find something else.
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#14
April 13th, 2016, 11:49 PM
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Re: v-12 project begins
I think it's time we get Lewis Matkin to respond, he worked a NAPA parts store so he would know the correct part number. Don't give up yet
 someone out there must have the Main Seal in Neoprene, after all GMC themselves used Neoprene main seals the last 2-3 years of V6 production.
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#15
April 14th, 2016, 07:49 PM
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Re: v-12 project begins
The number felpro BS-40048 works for Autozone, Rockauto, Summit
and Amazon as a rubber gasket Thats what it describes anyway. That was the number on one of my old kits. My two cents.....
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#16
April 14th, 2016, 10:42 PM
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Re: v-12 project begins
i have got 2 of the felpro bs40048 the only part that is rubber is the round plugs for the bolts. the seals are rope. set dose not even come with the straight seals that go between the block and main cap, comes with 2 short pipe cleaners and a small tube of silicone sealer. i ordered a second one because i thought it was missing parts.
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#17
April 14th, 2016, 11:01 PM
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Re: v-12 project begins
i ordered a complete gasket set for a 305. the picture shows a lip seal, but so did the the 40048 set. hopefully be here tomorrow.
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#18
April 15th, 2016, 03:00 PM
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Re: v-12 project begins
good news, complete gasket set came with neoprene rear main seal
  package has a number on it, p40048-1. i tried that number with napa, orielys, and fel pro website, no matches. my orielys rep is going to call there supplier, and try to find out what is up.
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#20
April 15th, 2016, 11:50 PM
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Re: v-12 project begins
I had a feeling I should have stocked up on those neoprene seals when they were still available. 
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