North American Turbocoupe Organization

boost leak checker????
ianbfromct Offline
Senior Member
No i dont have a great idea for a boost leak detector. I was curious if anyone had any ideas to check for boost leaks under a load at higher rpm?
88 5 speed TC
-3" DP,lowered, 255 Walbro, Gillis valve, Cobra R's, bondo/rust, Stinger's PIMP Ecu

86 XR7 5spd Offline
Senior Member
normally you pull the hose off the TB and plug it

then pull the hose off the turbo comp outlet and apply pressurized air there

you can then test your entire IC plumbing

under load, running ?
if yu have an A/T car, yu can have someone listening under the hood while you brake-tork it ?
David T
T5 / ported E3 / .63 / 35# / K&N
2.5" exhaust w/ cherry bomb
30+ mpg! 8.2 0-60, [email protected] 1/4 (gTech)

Pete D3 Offline
Junior Member
Check this article:

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