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i did a boost leak test today, need new couplers help,pic inside

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1990boost

10+ Year Contributor
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Nov 29, 2011
brookfield, Connecticut
i did a BLT this morning om my 1990 eclipse and could not get past 5psi, as soon as i hooked up the air i heard a huge leak, its the rubber coupler off the top of the intercooler, where can i get a replacement coupler to fit there? actually i want to replace all the hoses and clamps as they are original 23 yr old parts, so where can i get all new rubber hoses? dealer? vendor? here is a pic of the one i need. thanks guys.
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Yes you can either order some couplers and piping from like siliconeintakes.com or try and find a stock replacement in the classifieds on here. Another option is to find a piece of like radiator hose from the parts store that will work. I would personally try to upgrade to hard pipes so it doesn't happen again. Or just buy the proper length coupler and tbolt clamps and your good. Honestly that piece isn't to long I'm sure napa has a hose that would work just fine.
 
If you take the Ic and loosen it just enough to get it to move just a little bit.Then you take the clamp off of where it couples to the IC.Take that pipe off, inspect to make sure its not ripped ETC.Then if you simply put that pipe back on the ic, and tighten the hell out of it, possibly use two clamps for peace of mind, and bamm, should be good to go.

Doesn't happen everytime, but simple redoing the clamps on the boost piping should help.
 
Yes you can either order some couplers and piping from like siliconeintakes.com or try and find a stock replacement in the classifieds on here. Another option is to find a piece of like radiator hose from the parts store that will work. I would personally try to upgrade to hard pipes so it doesn't happen again. Or just buy the proper length coupler and tbolt clamps and your good. Honestly that piece isn't to long I'm sure napa has a hose that would work just fine.

Larger Turbo Diesel Radiator hoses will work if you're willing.
Or you could purchase an entire piping kit for smic:
Intercooler Kits & Intercooler Pipes - Punishment Racing

That kit is about half the cost of a complete fmic kit but if you need to replace
the rest of the stock ic hosing (while maintaining the smic) then that'll do.
 
Larger Turbo Diesel Radiator hoses will work if you're willing.
Or you could purchase an entire piping kit for smic:
Intercooler Kits & Intercooler Pipes - Punishment Racing

That kit is about half the cost of a complete fmic kit but if you need to replace
the rest of the stock ic hosing (while maintaining the smic) then that'll do.

i thought about getting that kit, maybe wont be a bad idea, anyone have any pics of this installed?

So I was able to still order that rubber elbow off the intercooler from the Mitsubishi dealer, part# MD119013 if any of you need it it's still available, however the rubber hose off the bypass valve to the throttle body is discontinued, so I will try to match something up or do a custom hard pipe for that section.
 
Make sure its not leaking from corrosion on the intercooler pipe mine was leaking in the same spot. Could try welding the pinholes or just get a fmic
 
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