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View Full Version : Charge pipe to throttle body coupler keeps blowing off



4thgenceli
07-17-2012, 02:43 AM
I'm going to order a SIS coupler. I think I need to get an angled one and not a straight coupler. I thought I could accommodate for the slight mis-alignment but guess not :P

http://img.photobucket.com/albums/v488/celiman89/coupler.jpg

Anyway there's the angle. I stuck a 90* pipe by it and it's nowhere close. I'm thinking a 45* coupler 2.5" to 3" should get the job done right?

Mafix
07-17-2012, 02:58 AM
i can't tell the angle from the pic but...
look at a tractor trailer store. you won't break one of those couplings.

vip09
07-18-2012, 09:32 PM
Those must be some cheap couplers to be blowing out on a stock engine. I used eBay multi-ply couplers and they held just under 30psi from a T67 on my Alltrac just fine.