Re: 48 Burb, bagged, 5.3, 20 year wait
Quote:
Originally Posted by Advanced Design
The same FedEx truck had the Hooker exhaust manifolds from Amazon. I followed FarmerSid's lead on these and ordered them Thursday.
They fit! Left side has a lot of clearance and the right side top of frame rail will need 1/4" or so shaved off.
While these look to be nice pieces, I was surprised to read in the instructions they can't be used for a new engine break in as the ceramic coating isn't cured yet. Hooker advises to use some other exhaust manifolds to break in the engine then install the new ones. They even give a break in process for the ceramic coating.
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Did you have clearance issues with your starter or dip stick tube? I have a stock 5.3 starter and the manifold (same one as you) hit the heat shield. My f body oil pan dip stick tube hits the manifold too. Is your engine perfectly centered? I have the same right frame rail you did but my engine is about 1/4 off center right now. I'm thinking of moving it but I don't want to lose steering clearance.
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