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Old 07-02-2018, 01:53 PM   #9
Mr_Rich
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Join Date: May 2006
Location: Santa Maria, Calif.
Posts: 781
Re: wtb exhaust manifolds

I think these are what you need. These are 305 originals. They came off my truck in '93 and have been on the shelf since. I now have Borlas on my 350 and so no need for them. One thing that may be an issue. Cast iron "shrinks" and you might need a spreader between the mounting points to start the bolts. They actually have a tool for this and you should be able to verify this with Chevy Tech. I might also have a good set of bolts for these. I may be able to dig them up.
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1989 K1500 Chev. EC
Original owner; some of the aftermarket parts I've installed are Borla headers, Hypertech chip, Edelbrock water pump, and a Stillen rear disc brake conversion kit.
2009 Hummer H3T 3.7L 5M (sold)
1997 K2500 Chev. EC 7.4L/ 4L80E
2018 Dodge Ram 2500 HD R/C
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