Subject	Not a stupid question at all....
Posted by	ConVerTT on June 14, 2015 at 1:54 PM
	This message has been viewed 401 times.
In Reply To	Maybe a stupid question: What if boosting to 20 or more PSI? posted by ZXoltan on June 14, 2015 at 12:43 PM
Message	Typicially with a boost leak test you will pressurize the system from the intake. When the car is running under boost, only the systems AFTER the turbo are subjected to boost. Whats the difference? Well with the test, you are also pressurizing parts of the system (via the vacuum lines and pcv) that would not normally see the higher pressures, (like the crank case), and their associated parts and seals that are not designed for the higher pressures. So basically you are testing at lower PSI as a balance between eliminating any leaks that become apparent at the lower pressure and avoid damaging seals etc from too much pressure. But you are correct - that does not guarantee that you wont blow a boost hose once you run the car up to 20 psi once you are are the strret/dyno. ConVerTT - 93 Hi Compression TT Convertible (black) XtraVerTT - 93 Hi Compression TT Convertible (glacier white) SlickTTop - 96 OBD1 TT Slicktop (black) Old Yeller - 90 Slicktop NA (PGY) And their hot Asian Cousin - 01 Acura NSX NA
Follow Ups	Intercooler leak test: I recommend against THIS procedure! - Zuberman 04:30:07 06/13/15 Maybe a hand pump is the way to go? Would think with much - jzack 09:58:56 06/13/15 Thanks. The pressure I applied was actually less than what I - Zuberman 13:18:12 06/13/15 You're damn lucky ... - ConVerTT 10:04:22 06/13/15 I admit the test would remain valid with much less air- - Zuberman 13:31:55 06/13/15 Why do you bother to ask when you just continue to do this - Bernie (NoVA) 10:28:26 06/13/15 Secondly stock intercoolers never see 25PSI of static pressu - Bernie (NoVA) 10:31:58 06/13/15 False. Despite the pressure being the same, one intercooler - Zuberman 13:02:47 06/13/15 I didn't ask anything. I presented my own experience with - Zuberman 12:55:11 06/13/15 It leaks because you pushed 25psi in it. (n/m) - Bernie (NoVA) 13:03:06 06/13/15 False. It started hissing from the second I applied - Zuberman 13:29:47 06/13/15 so why go in increments if it started hissing the moment air - LJZTT 20:37:48 06/13/15 I already explained that: just because I heard the hissing - Zuberman 23:05:15 06/13/15 Windex is great for locating the leak. - BoneZ (MD) 23:23:20 06/13/15 I understand, but anticipating the possibility of a leak and - Zuberman 23:59:58 06/13/15 3 to 5 psi is plenty for a full boost leak test - ConVerTT 10:06:25 06/14/15 Maybe a stupid question: What if boosting to 20 or more PSI? - ZXoltan 12:43:48 06/14/15 because you're spreading that pressure throughout the system - vorpalZ 13:12:05 06/14/15 I don't think you answered his question. He's asking in - Zuberman 13:39:22 06/14/15 Lol. Enjoy blowing all your seals. Static testing for - MixManMash 13:59:17 06/14/15 I was just re-phrasing his question. I've already stated - Zuberman 14:17:04 06/14/15 LOL - I didn't think about the dipstick! I wonder how far - ConVerTT 16:00:43 06/14/15 From experience ;-) I would say you are spot on correct: to - Zuberman 18:23:07 06/14/15 Oh no LOL! You "dodged a bullet" today LOL (n/m) - ConVerTT 22:46:13 06/14/15 Not a stupid question at all.... - ConVerTT 13:54:39 06/14/15 Question answered :) (n/m) - Zuberman 13:56:47 06/14/15 Beat me to it. (n/m) - MixManMash 14:00:32 06/14/15 Great minds ...:-) (n/m) - ConVerTT 15:56:43 06/14/15 ^^ yep - BlackholeZ 17:13:16 06/14/15 You asked us if the IC was ok - BlackholeZ 14:11:29 06/13/15 That was a different question. This is testing to see if - Zuberman 14:38:07 06/13/15 Nice! Swordfighting with Zorro will get you real far. (n/m) - ttz'in (norcal) 21:07:47 06/13/15 Hmm, that's basically how we did it in industry - BlackholeZ 14:17:31 06/13/15 Thanks for the tips, Dan, but I'm replacing both. If my one - Zuberman 14:44:52 06/13/15 If you're that hard up, leave the Z parked - BlackholeZ 16:51:11 06/13/15 Well I'm not going to reveal my source because if everyone - Zuberman 23:11:04 06/13/15 Big mistake to not upgrade intercoolers. - FrozTTy 07:35:05 06/14/15 It's not a big mistake to replace with something I can - Zuberman 13:44:29 06/14/15 You have been w/o it for 10 years - FrozTTy 14:41:33 06/14/15 10 years??? And others have said the test is fine except for - Zuberman 14:53:21 06/14/15 Troll. (n/m) - ForceFedTT (SoCal) 01:03:08 06/15/15 Since you're proud to be one, thanks I guess? lol - Zuberman 07:15:31 06/16/15 Good tip, thanks Dan. (n/m) - ttz'in (norcal) 21:21:05 06/13/15 Wow! that's a lot of effort to test an old, used factory IC. - ForceFedTT (SoCal) 19:17:00 06/13/15 Hopefully you finally bought a set of aftermarket ICs by now (n/m) - MikeD (Philly) 19:42:44 06/13/15 "Don't do this....here's step by step how to do it"..../sigh (n/m) - LJZTT 20:36:05 06/13/15 Good point.. (n/m) - ttz'in (norcal) 21:22:02 06/13/15 LOL, no, it's don't do this; this is how I found out the - Zuberman 23:14:01 06/13/15 Lol.. so true. (n/m) - ForceFedTT (SoCal) 11:23:45 06/14/15 Did daddy not give you enough high-fives as a child? - bartz32tt 21:47:35 06/13/15 scratch (n/m) - Zuberman 23:29:50 06/13/15 Tighten all of the bent clamps and retest with ~15PSI. (n/m) - BoneZ (MD) 23:17:17 06/13/15 Is Zuberman a troll or just an idiot? What do you think? - flashstar 03:00:18 06/14/15 Probably a good person, just a work in progress. (n/m) - ttz'in (norcal) 04:06:41 06/14/15 Good question. maybe a little bit of both? (n/m) - ForceFedTT (SoCal) 11:24:47 06/14/15 Every village (and forum) has one. (n/m) - Inzane 22:32:43 06/15/15 the method is fine... - vorpalZ 04:18:26 06/14/15 None of the clamps came off. Just the plug popped out. - Zuberman 14:29:29 06/14/15 lol, then the clamp failed to hold. Same thing. (n/m) - vorpalZ 05:05:16 06/15/15 Silicone lube on a fitting with no barb/bead = boom (n/m) - black300zx 07:28:30 06/14/15 VTB (n/m) - FrozTTy 14:44:00 06/14/15
Post a Followup	You cannot reply to this message because you are not logged in.