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Chris Hill · 06-26-2008, 09:03 AM

Greg, your close. It's a one piece rear main seal (86-up), q-jet, flat tappet cam (85 & 86), and center bolt valve covers. I think all the 4.3L have center bolt valvecovers (85 and up). The intake change is not an issue as the 4.3L started in 85.

Everyone, thanks for the info. I did not know the marine engines had flat tappets and one piece rear main seals.

Thanks,

06-26-2008, 09:03 AM	#5
Chris Hill Senior Member Join Date: Jan 2002 Posts: 655 Likes: 8 Liked 244 Times in 26 Posts	Re: SBChevy Engine Types Greg, your close. It's a one piece rear main seal (86-up), q-jet, flat tappet cam (85 & 86), and center bolt valve covers. I think all the 4.3L have center bolt valvecovers (85 and up). The intake change is not an issue as the 4.3L started in 85. Everyone, thanks for the info. I did not know the marine engines had flat tappets and one piece rear main seals. Thanks, __________________ Chris Hill https://ihmusedparts.com