Machine work needed?

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Lilblue89xj
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Posts: 10
Joined: March 27th, 2024, 9:15 pm
Stroker Displacement: 4.0L
Vehicle Year: 1989
Vehicle Make: Jeep
Vehicle Model: Cherokee

Machine work needed?

Post by Lilblue89xj »

Hello all. Long time no talk I apologize.
Well I've completely disassembled the 90' I pulled from junk yard.
Now I'm wondering what kind of machine work I'll need to build a 4.6 stroker. My machine shop is ready for me to drop off my block this week. Since I plan to take it here in a few days I want to have a list for him. Thank you all sorry still a newbie but i appreciate you all!
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Cheromaniac
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Posts: 3258
Joined: March 8th, 2008, 12:58 pm
Stroker Displacement: 4563cc
Vehicle Year: 1992
Vehicle Make: Jeep
Vehicle Model: Cherokee
Location: Cyprus
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Re: Machine work needed?

Post by Cheromaniac »

At a minimum you'll need to have the block hot tanked, oil galleries cleaned, the cylinders bored/honed, the block deck checked for flatness, new cam.bearings pressed into the block, the cylinder head checked and milled for flatness, and have the valves lapped in their seats.
Depending on your desired build spec for the 4.6L stroker, further work may be required. Which crank, rods, pistons, and cams do you plan to use? Are you planning to stick with the '90 Renix cylinder head or upgrade to a '91-'98 HO head?
1992 XJ 4.6 I6 - 5MT - Stroker build-up, Stroker "recipes" Sold
1995 Mustang GT - 4AT - Modded Sold
2006 Mustang GT - 5MT - Modded Midlife Crisis Car :lol:
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