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Power Strokes
7.3 Aftermarket
Main cap walking/fretting on stock tune.
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[QUOTE="Mickey427, post: 1239600, member: 18050"] I have a 95 7.3 that I had to pull the motor out due to a cracked timing cover. While I had it out I decided to do a little turbo work and build a windage tray for it. While everything was apart I figured it'd be good to pull a few caps off and check bearings. I have about 30k on this rebuild where I installed arp main studs to cure the cap walk problem I thought I had from my edge evolution programmer. Truck currently has a set of beans stage 1s from ddp and his D66 turbo. Stock tuning on this rebuild since I didn't have the spare coin for a chip and it was nice not having it break down lol. My question is how can I have a main cap walking problem with arp studs and a stock tune? The rod bearings look practically brand new but the mains look as if the cap somehow got twisted in the registers a bit causing kiddy corner wear marks. I did the align hone myself on a sunnen align hone set to the lower side of the tolerance. Hopefully my pics show up. Thanx for the help! [/QUOTE]
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Main cap walking/fretting on stock tune.
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