Charge-Air Plumbing Restraint

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Charge-Air Plumbing Restraint

Postby BC847 » Sun Apr 19, 2009 7:16 pm

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Yo main, other'nigh pulup to th'lite, stg,
Go gone, WAHH WAHH WAHH . . . dagum yo BOOM SHHHEEWWOOOO! , main!






Yeah, did that again the other night at the track.

BOOM! :shock:


Another charge-air boot blown off. To date I reckon I've had one blow off maybe five times now. Been lucky every one that no real damage was done.


So the other day I was at the annual Mopars/NADM at The Rock and was peeking under Jeff Garmon's hood. I noticed he had some tabs welded to the charge-air plumbing, right there on either side of the silicone boots. There was a single strip of aluminum bridging the two tabs thus locking the two pipes together. That way the charge-air pressure (boost) can't blow the two pipes apart.

Neat! 8)


I've historically depended on the silicone boots having a good grip on the pipes. Further, I've depended on the pipes having a decent hump for the boots to get a grip on. And then there's the dagum band-clamps. Constant-pressure (those with the springs) or not. I've had to torque the snot out of them for it all to stay put.

I figure the torque twisting up the engine thus pulling on stuff ain't helping. :x




OK, so thinking about that Garmon mess, and thinking I've differing plumbing metals and lack a TIG, and thinking all I've got are some rivets and some aluminum strap-stock, . . .. .

I did this . . . .




Take some 1" x 1/8" aluminum strap and bend it around the chuck end of a 5/16" drill bit in the vice. Make it so the inside of the slot is about 1/2" deep . . . .

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- Using a hammer and an anvil, radius the tabs to fit the charge-air pipe in question, drill four holes for some aluminum rivets . . . .
- Some "Thread-All" rod with the aviation type lock-nuts . .. ..

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Installed on the inside radius of any flexing and install boots/plumbing as usual. Then suck-up the slack in the threaded rod for what appears to be a decent restraint. And cheap too. ;)

Making the slot for the threaded rod in the strap a little big allows some movement in the installed assembly.



I failed to take pichers while making the stuff, work with me. :roll:

Here's where the charge-air comes into the intercooler . . .

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Here's the bottom of the restraint at the secondary's outlet horn . .

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David

1993 12mm VE Fueled W250 CC, Green
12.67 @ 103.35
Your basic farm truck ;)
BC847
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