camatv Posted January 27, 2014 Report Share Posted January 27, 2014 i built one a while back after reading a few threads i made some changes to suite my needs i felt, nd went to work I used a fuel pressure tester, vacuum gauge from auto store. took the intakes i was going to use to the hardware store, fit the plugs i wanted bought a air tank schrader fill valve (also at auto store) and a few pipe thread barb fitting, plug pipe tap, and a t fitting.. (also at auto parts store) went home glued it all up, taped the plastic, sealed it all and started using my air compressor, and some soapy water in a squirt bottle to test stuff.. ( with a regulator and a gauge set down to 15 psi.of course .) also thanks to this forum i found an old banshee oem front bumbper and robed the rubber plugs off of it. even better i had a warrior front bumper and those are larger id for the other stuff i have tested.. whoo ho ! it absolutley amazes me how much stuff has had problems.. found a 250r with multiple leaks all over the place that came in needing "jetted", did a somewhat fresh built banshee motor with major leaks on the intake area's, multiple other banshees with leaky intake's with good quality gaskets".. and recently a lt500 with case issues and blown the f out crank seals. its amazing what you can find with these. to me its as necessary to have one of these as a 10 mm end wrench,and also a synch tool, flywheel puller. are very necessary to work on these motors.. and NO i wont build anyone one, and i dont give a shit about the gauges accuracy down to bla bla bla. on a side note dont build one to pull a vacuum on its extremely hard to find leaks with vacuum. Quote Link to comment Share on other sites More sharing options...
Uf21 Posted January 27, 2014 Report Share Posted January 27, 2014 All this arguing over a leak down tester? Quote Link to comment Share on other sites More sharing options...
WINDYCITYJOHN400 Posted January 27, 2014 Report Share Posted January 27, 2014 I've never done a leak down on a motor. Are they important? Nope. You have a spare DM sitting around. No need for you to worry about leaks. If something happens and it burns down, you can just swap in bullet #2 and send the leaker back to Cam for a fresh build. You'll be ready for a bigger motor by tgen anyway..... Quote Link to comment Share on other sites More sharing options...
locogato11283 Posted January 27, 2014 Report Share Posted January 27, 2014 Nope. You have a spare DM sitting around. No need for you to worry about leaks. If something happens and it burns down, you can just swap in bullet #2 and send the leaker back to Cam for a fresh build. You'll be ready for a bigger motor by tgen anyway..... In 13 years of owning Banshees I've never burned a motor down. I've never blown one up. Even when my crank broke in half it didn't tear anything up. Obviously they've had great initial setup but I just don't see the need. Kind of like plug chops. Never have, never will. Other than Cam setting them up, I put together all my own motors and countless others in the area. Guess I'm either good or lucky. Quote Link to comment Share on other sites More sharing options...
JasonsBanshee Posted February 10, 2014 Report Share Posted February 10, 2014 My first motor leaked on the junk 2 piece aluminum Boss intake. It leaked so bad that I could feel the air blowing in my face. I now use UPP intakes and my newest motor doesn't drop PSI at all. In my opinion, it's a cheap way to make sure not only your work is good, but the components you chose to run are good too. With the o-rings in the intake, I would have thought they would have sealed better, but they didn't seal at all. I had to seal it with Threebond to stop the leak. Quote Link to comment Share on other sites More sharing options...
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