just installed testpipe and leaks - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

tapdeznutz · 10-22-2012, 12:23 PM

hi everyone. i just installed my test pipe and it leaks. i did not have any leaks with stock/oem cat converter. i torqued the crap out of the bolts after first start up/found the leaks. it is actually leaking on both ends of the test pipe top and bottom. again torqued the crap out of the bolts/nuts which helped the leak but it still is leaking. i did use new gaskets as well. i was wondering if i used the "orange" silicone it would solve the problem. feed back please. thanks again zilvia.

Mikester · 10-22-2012, 12:37 PM

If you have a mid-pipe section behind the TP, you can always loosen it and try to adjust the TP a bit. Also, the bolts on the flanges need to be tight, but not TOO tight- sometimes overtightening them will cause leaks too. Lastly, make sure you have plenty of thread left on the bolts (not shanking them out).

As far as silicone stuff goes, I got no clue- I have usually been able to stop leaking by making adjustments. GL!

tapdeznutz · 10-22-2012, 12:54 PM

i have a 1 piece aftermarket header to test pipe. i just did some more searching, think i will try the orange RTV silicone tonite see if that helps it. exhaust leaks are so annoying, you know. work case i will just hollow out my oem cat and put it on, hope i do not have to do this.

DennisC · 10-22-2012, 09:09 PM

Yes the rtv silicone will work for this. I had it on the gasket because my ISIS test pipe leaks too.

tapdeznutz · 10-22-2012, 09:56 PM

just did the orange rtv silicone and it worked!!! seems to be holding, i am curious for how long but we will see. the exhaust sound is definitely deeper now, i like it. and it seems to really rev freer from like 3k rpm up to 6k rpm, where as before it would start to slow around 4500 rpm. i have k&n drop in filter, header and stock exhaust piping with aftermarket muffler. thanks for all the replies.

DennisC · 10-23-2012, 04:13 PM

It should last a long time. Mine was kept sealed for over a year but I removed it to install another exhaust.

TheRealSy90 · 10-23-2012, 08:39 PM

It's broken let me have it.

tapdeznutz · 10-24-2012, 03:53 PM

Quote:

Originally Posted by TheRealSy90

It's broken let me have it.

i don't get

? nah just kidding, i used orange silicone and problem solved.

KoukiMonsta · 10-24-2012, 05:09 PM

He high temp rtv works great for this

10-22-2012, 12:23 PM	#1
tapdeznutz Nissanaholic! Join Date: May 2011 Location: Long Beach Age: 45 Posts: 1,801 Trader Rating: (50) Feedback Score: 50 reviews	just installed testpipe and leaks hi everyone. i just installed my test pipe and it leaks. i did not have any leaks with stock/oem cat converter. i torqued the crap out of the bolts after first start up/found the leaks. it is actually leaking on both ends of the test pipe top and bottom. again torqued the crap out of the bolts/nuts which helped the leak but it still is leaking. i did use new gaskets as well. i was wondering if i used the "orange" silicone it would solve the problem. feed back please. thanks again zilvia. __________________ FS: DSS 1pc Steel Non ABS, 6bolt axles WTB: Boost Gauge, Hatch Roof Wing

10-22-2012, 12:37 PM	#2
Mikester Nissanaholic! Join Date: Jun 2007 Location: Kathleen, GA Age: 53 Posts: 1,956 Trader Rating: (0) Feedback Score: 0 reviews	If you have a mid-pipe section behind the TP, you can always loosen it and try to adjust the TP a bit. Also, the bolts on the flanges need to be tight, but not TOO tight- sometimes overtightening them will cause leaks too. Lastly, make sure you have plenty of thread left on the bolts (not shanking them out). As far as silicone stuff goes, I got no clue- I have usually been able to stop leaking by making adjustments. GL! __________________

10-22-2012, 12:54 PM	#3
tapdeznutz Nissanaholic! Join Date: May 2011 Location: Long Beach Age: 45 Posts: 1,801 Trader Rating: (50) Feedback Score: 50 reviews	i have a 1 piece aftermarket header to test pipe. i just did some more searching, think i will try the orange RTV silicone tonite see if that helps it. exhaust leaks are so annoying, you know. work case i will just hollow out my oem cat and put it on, hope i do not have to do this. __________________ FS: DSS 1pc Steel Non ABS, 6bolt axles WTB: Boost Gauge, Hatch Roof Wing

10-22-2012, 09:09 PM	#4
DennisC Zilvia Junkie Join Date: Dec 2010 Location: Elk Grove Posts: 585 Trader Rating: (9) Feedback Score: 9 reviews	Yes the rtv silicone will work for this. I had it on the gasket because my ISIS test pipe leaks too. __________________

10-22-2012, 09:56 PM	#5
tapdeznutz Nissanaholic! Join Date: May 2011 Location: Long Beach Age: 45 Posts: 1,801 Trader Rating: (50) Feedback Score: 50 reviews	just did the orange rtv silicone and it worked!!! seems to be holding, i am curious for how long but we will see. the exhaust sound is definitely deeper now, i like it. and it seems to really rev freer from like 3k rpm up to 6k rpm, where as before it would start to slow around 4500 rpm. i have k&n drop in filter, header and stock exhaust piping with aftermarket muffler. thanks for all the replies. __________________ FS: DSS 1pc Steel Non ABS, 6bolt axles WTB: Boost Gauge, Hatch Roof Wing

10-23-2012, 04:13 PM	#6
DennisC Zilvia Junkie Join Date: Dec 2010 Location: Elk Grove Posts: 585 Trader Rating: (9) Feedback Score: 9 reviews	It should last a long time. Mine was kept sealed for over a year but I removed it to install another exhaust. __________________

10-24-2012, 05:09 PM	#9
KoukiMonsta Nissanaholic! Join Date: Mar 2009 Location: NC Posts: 1,969 Trader Rating: (23) Feedback Score: 23 reviews	He high temp rtv works great for this __________________ @UpshiftEngineering