mightyquickz28

iTrader: (8)

A few months ago, I got my kit ready to install and, per recommendations from others, I put a layer of red silicone sealant on the shim before I installed it. But as often happens after I got that ready, I found that I needed to disassemble a few pieces so I could insert a brace (this was a new kit and I didn't realize that the brace had to be installed after the turbo but before the crossover. Tight confines...). So, meanwhile the silicone sealant 'set' and when I put it on an hour or so later, I 'hoped' tightening all bolts well would make it seal okay. I should have cleaned it and started over but I was running short on time. Well, "pay me now or pay me later..."

Fast forward to last week, ... I was under the car changing the oil when I noticed a swath of exhaust soot on the back of the compressor housing. I assumed that the exhaust shim *might* not have sealed so well after all and had a small leak. I ordered a new shim from Jegs and just went out to take off the old shim and put on the new one. Ugh.. well...


My boost should come on a lot better with the new gasket.

parish8

iTrader: (6)

If you don't use a gasket it can't blow out.

I always just throw those things away.

mightyquickz28

iTrader: (8)

DOH!.. Well, I'll go this route the next time I have to take it down for some reason. Thanks for the tip

95bowtie

Of course he means rtv only with no gasket. Dont just bolt it on dry it will really leak then haha.

parish8

iTrader: (6)

I used to use rtv. Now I use nothing. When you take it apart sometimes you see a slight soot line but you can not hear it leak or feel it leak.

Rtv can't hurt.

SPRAYED 01

iTrader: (22)

Get the high temp copper rtv and nothing else. No issues in 4 years

stevieturbo

Copper RTV is best.

But if the flanges are flat as they should always be, simply bolt it up good and tight and it will be fine.

tta656

iTrader: (5)

personally i think using a layer of high temp rtv and allowing it to dry before assembly is the best,almost like making a high temp o-ring

parish8

iTrader: (6)

As you can see there are a number of ways to do it, the key is to get rid of the gasket, same goes for any gaskets in the rest of the exhaust system if they are the flat gaskets type.

You still need to run the manifold-head gaskets. Make sure to use the mls ones.

Old Geezer

iTrader: (3)

The key: File the flanges FLAT B4 assembly.

LT1RAY

iTrader: (21)

I'm going to replace mine this week, should I let the copper RTV dry completely or let it get a little tacky before I reinstall everything?

69-chvl

iTrader: (11)

Can RTV tolerate the direct exhaust temp in an application like this? I figure the exhaust has to be approaching 1000*. Copper RTV is good fo 700* intermittent.

97WS6SCharged

iTrader: (1)

Depends on how far from the exhaust port the turbo is located. Exhaust gases coming out of the head will exceed 1000 degrees when you run the motor hard but they also cool very quickly. In this case the RTV isn't in the direct path of the exhaust so yes, it will handle the temps.