I replaced my MAF and Throttle position sensor and I had to remove the pipe that runs from super to tb to get to my throttle position sensor. I got it back on, tighten the **** out of it and it blew off at 6lbs of boost, tightened again, same thing.....and again and now again....there is no gasket, just pipe, piece of plastic, pipe...i don't understand what could be causing this but its f##kin pissing me off cause I can't nail it to see what kind of difference I am getting.

Anyone have any suggestions on how to secure it?

 

I had the same problem............but i didn't have it until 9+PSI...... you can try changing the clamp to a brand new one, and then tighten the **** out of it......

it worked for me.

 

You should look into getting a t-bolt clamp if your not using one already.

 

Yes a t-clamp will solve your problem.
I highly recommend a constant torque style, made for large truck turbocharging, has spring for constant torque.

Here is a pic of one from napa.

Part # 7051527 , is 4" clamp (this is the one that I use)

 

You may also want to double check to make sure your surge valve is working.

 

might need a different bypass valve or blow off depends how you did your setup

 

LOL I called every nappa in a 100 mile radius that could get one tonight, since I am hitting the track, found a guy that has 3 (I need 4) so I'm going to drive donw right now and get them, and use a worm clamp to hopefully hold one down.

Thanks guys you guys are wonderful may you have good karma

 

I HAD the same problem. I took a piece of the small bypass hose from the ATI kit and secured it just between the intake tube and the radiator support. I only had to take up a few inches of space with the ATI set up. Not sure what you are looking at for distance to brace?

 

Used 4 inch, F#CKING HORSE shi% that is such crap, i tightned the **** out of it with a wrench the spring compressed and it still blows off...

 

That doesn't just happen for no reason. Check over the surge valve to make sure it isn't stuck closed or something and check the reference line for cracks or holes.

 

Look to the radiator area next to the chrome intake and see where I added the hose piece. I hope this helps.

 

That would make me fairly nervous having anything that has a tendency to move (engine) pressing up against the radiator, even through something “soft”

You need better mechanical means for retaining the hoses. Done right they should stay on even without a surge/bypass/blowoff valve. Diesel equipment does that all the time with much higher pressures and no real problems. Straps, grooves, raised beads… all work. I’ve even made a TB connection that had a flange that bolted to the TB bolts and slipped over the inlet with a gasket that I cut out. Making sure that the flexable sections don’t inflate will help (wrap zip ties around them in between the hard tubes), and in a pinch you can use hairspray to make the rubber stick to the hard tubes.

 

let me know what you find out. I really thought mine would do that but, has not (mine is a custom home made brand setup) in case mine does in the future it may help me save some time and the factor


BTW do the paxton kits have a small metal bracket comming off the throttle body to hold the hose in place? it kinda looks like that in some of the older pictures I have seen

 

I simply had the local exhaust shop flare the ends a bit - holds good.

 

UPDATE: 4inch t clamp on main, 3inch all around, hair spray, sealed so tight that it would make michael jackson happy.

Then I take it out, 4lbs.....5lbs........6lbs BOOM blew off again.

 

That just crazy, I'am up to 17Ibs with t-bolts clamps and I have no problems. Is there anyway you could take a pic of the hose end that attaches to the throttle body and maybe one of the throttle body also.

One other thing, what supercharger are you running?

 

Is it blowing off when you hit 6 psi, or when you've got the boost set at six, and you slam the throttle closed (and boost in that pipe spikes to 20+)? I had a problem w/ some pipes blowing apart, so I flared the ends. I took a junk pair of vise grips, and welded a bead on the bottom, and 2 beads on top ("M" shape). You close the vise grips, and it forces a bead out. Go around the pipe a few times, and you've just now ghetto beaded it. Worked great for me.

Welding a bead would work too... How about double clamping it too?

 

it blows at at vacuum sometimes now. I was driving it just to hear her run and she came off at 10lb vacuum like it shot off. SOB

 

Deep vac eh.. I'm starting to agree with these guys, that you need to check your surge.

My setup was blowing off every pass, even with a 1G DSM bov.. I had to calmp the fawk outta my piping. (12psi).

If you look at like Guido's setup, he had to fab a bracket to hold his piping on. Something I'll do next season so my throttlebody hat doesn't keep poping off, etc.

-- Joe

 

Eh, I got it working fine, put about 150 miles on her, then boom blew off at vac again, how the hell do I check for surge?

 

When the motor is under vac, its cuz the throttle blades are closed. All that boost is between the blades and the compressor..

-- Joe

 

what is you combo? just trying to get a good picture.

 

Did you get any oil or antifreeze on the tubes when you had them off? That will make rubber hose come off easily, and silicone hose will be even more slick.

Something is definately not right though. Big diesels run 20-30 PSI with no BOV and silicone tubes and don't have issues. Unless you use silicone spray or oil to try and install the tubes easier. Then they will pop off at low boost.