Author Topic: Cracked exhaust manifold  (Read 11461 times)

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BHT12

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Re: Cracked exhaust manifold
« on: Dec 01, 2011, 06:03:24 PM »
My header on my 99 3rz taco was cracked completely in half.. i just welded it up with my arc welder.. hasn't cracked yet but i havent put enough miles on it to make it crack again BUT.. I head from a Toyota guru back in my home town that sometimes the 3rz's have a problem with them running lean?  says maybe its running lean which makes the manifold hotter whch makes it easier to crack.. sounds like a legit explanation to me?
1984 4runner. Trailgear fronts, custom backs with shackles, 36 iroks, hi steer, hybrid 20+22r motor, full exhaust, lowsy weber, power everything, rear heat, power Antena,  sr5, altimeter,  back seat eliminator, tube bumper

1981 2wd long bed parts getter. All stock, sr5

1983 Toyota Sandtana Motorhome 4x4 Stock.

 
 
 
 
 

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