Fabrication Everything From JBwelded/Fluxcored downpipes to Equal length SS Manifolds.

hmt dsm bov flange

Old 10-11-2005, 03:12 AM
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Default hmt dsm bov flange

so a kid i know needed a bov flange for his hmt project and couldnt find one.....he needed it the same day so i figured ace hardware 5mn from my house would have something to hold him over.......anyways here it is.....

Parts list:
electrical box piece (1.99)
electrical conduit piping (1.99)
liquid metal (2.99) just to make sure it seals

the flange is THIN, but a with the liquid metal its not a problem lol.....
o ya its quite fun to weld the galvanized metal lol.....(yes i gound it down, still sucks though)






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Old 10-11-2005, 03:27 AM
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Default Re: hmt dsm bov flange

the sheet metal isn`t going to wrap when u tighten the bolts??
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Old 10-11-2005, 03:40 AM
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Default Re: hmt dsm bov flange

Originally Posted by Donald125
the sheet metal isn`t going to wrap when u tighten the bolts??
I thought it would, It was just for a kid I knew.....It was made 6 months ago and 2 motors later its still holding up great, just thought I could contribute an easy project to the new forum
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Old 10-11-2005, 07:37 AM
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Default Re: hmt dsm bov flange

Haha...

And to think I scrounged high + low for one of the DSM pipes to grind the factory flange off of.
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Old 10-11-2005, 03:10 PM
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Default Re: hmt dsm bov flange

Could always throw a little honda bond in there for a gasket.
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Old 10-11-2005, 03:44 PM
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Default Re: hmt dsm bov flange

We have a link to a cheap way to make a 1g bov flange too. I can't find it but I'll have austin post it up. It's just some fuel pump block off plate you pick up from NAPA, it's already the perfect size, just needs the holes drilled.
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Old 10-11-2005, 08:31 PM
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Default Re: hmt dsm bov flange

Originally Posted by ju-on
We have a link to a cheap way to make a 1g bov flange too. I can't find it but I'll have austin post it up. It's just some fuel pump block off plate you pick up from NAPA, it's already the perfect size, just needs the holes drilled.
that will be actually interesting to see if you can post it up. I think I might try the B18TurboEF way 2.
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Old 10-12-2005, 12:08 AM
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Default Re: hmt dsm bov flange

Nice, I just cut the oem flange off the charge pipe and got a good enough weld then jb welded for reinforcment...I like your thinking though
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Old 10-13-2005, 02:38 AM
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Default Re: hmt dsm bov flange

Well I found some text that explains how to do the NAPA 1g bov flange. I'm still trying to find the link to the site with pictures and all. But here is the text for now...




First, go to NAPA: get 1 "fuel pump block-off" plate, its part #610-1188 -i belive its for a GM vehicle. i then bought a 6X6 square plumbing gasket (its a cut your own gasket sorta thing) from Ace hardware (its holds up fine under the heat even though its kinda rubbery) for the gasket between the BOV and the adapter.

then, make a 1" hole in the middle of the fuel pump plate (doesn't have to be exact). i did this with a dremel (it took a little time). i used a round sand paper bit once i could fit it through. make sure that you can fit your "hole enlarging decive" in the hole before you go to the next step.

now, take your fuel plate (with the hole in it) to any exhaust shop and have them weld a 1.5-2" long piece of 1.5" diameter piping to the side of the plate that would not sit flush to the ground -the sides of the plate bend to a 90 degree angle, have the bends on the same side of the plate as the pipe. they didn't charge me for it doing this, btu if they do it shouldn't be much.

once the pipe is welded on there, enlarge the hole to the size of the pipe.

now put the 1G BOV on top of it. look at where the bolts will go through to hold them together. enlarge the bolt holes on the adapter to fit (if nessary).

to make the gasket, roughly cut the 6"X6" square to be bigger than the bottom of the BOV. now hold it up to it and lightly tap the gasket material with a hammer all over. this will leave an outline of the BOV in the gasket material. cut it to fit. remember to cut it to go around the little hole on the bottom of the BOV. big the hole for the blown-off air should be tear shaped to accommodate it.

bolt it all together with the gasket in the middle. it should fit easily in the car now. it might not go all the way down as the stock upper intercooler pipe has a stopper in it so it won't go down too far, but push it down till its tight (don't overly force it), screw the clamp tight, and hook up the BOV line and your ready to go.
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