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Old 08-26-2007, 06:37 PM
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Exhaust manifold bolt

I've come across several, (at least four), 2.5 cyl heads with the last, (closest to the firewall), exhaust manifold bolt broken off in the head. I believe I've even read about it happening on the forum here. What's up with this? Why is it so common, and would it be a wise decision to stud that hole...or better yet all of them?

1995 Wrangler YJ
2" Bodylift, 4" RC Susp., 33X12.50 BFG A/T's on 3.75 BS 15X10 Black Rock Crawlers, Custom Rear Bumper, Windshield Headlight Kit, Mirror Relocation Brackets, 1600 watt Kicker sound system

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Old 08-27-2007, 09:36 AM   #2
Hacks off Parts while Lit
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its pretty common on all vehicles with some miles on them for the manifold bolts to break. its from the extreme heat theyre under. i always try to hose them down in PB blaster for a couple days prior to having to unbolt it.
'90 YJ, ford 8.8, SOA, lincoln front, aussie rear, 4.88s, swampers.
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