gofer
Moderator
- 8,152
- 1,443
- Feb 18, 2006
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South Gilbert,
Arizona
The ports on the exhaust manifold flange are tapered to 1.5 Sch 10, at least on the STM piece.
4G63 EXHAUST MANIFOLD HEAD FLANGE
4G63 EXHAUST MANIFOLD HEAD FLANGE
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Still wondering how I'm gonna ream the sch40 1.5id pipe to port match the 2g head flange ideas? Or weld in and grind out the inside?
Theres probaly a welding respirator at harbor freight. You might even have a coupon for it.
you are a brave man welding that thing up without it not being tacked and assembled (in my amateur opinion)
ps looking at the head flange you have (i thought it was one that was premachined to fit up to the round pipe/bends) you are going to need to heat those weld els up and use a decent bench vise to get them ovaled
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Replacing my 2.5" test pipe with 3 and plumbing in my for electric cutout.
I thought you were supposed to break all the tacks and weld up and put it back on the jig. No? This is why I want to build a manifold, be such a good learning experience but I know for a fact I'll fudge it up and there goes $300 investment.