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Old 05-23-2003, 06:46 PM   #1 (permalink)
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How long for RTV to Cure???

hey guys

doing my valve cover tomorrow. The tube just says to let cure and does not specify a time.

i was thinking of doing it in the AM but i have to run some errands later in the day

how long do i have to wait before heat can be applied??

Thanks
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Old 05-23-2003, 07:27 PM   #2 (permalink)
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24hrs

I dont think I have ever waited for RTV.
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Old 05-23-2003, 07:36 PM   #3 (permalink)
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let it stand for about 15 minutes before you put the covers on then hand tighten the bolts and let it sit for another 15 minutes then tighten down the rest of the way and you should be good to go a few hrs or so later
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Old 05-23-2003, 08:11 PM   #4 (permalink)
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I just put enough RTV on my valve cover to keep the gasket in place when I was putting it on. I think I only waited a few hours. It hasn't leaked yet.

But yeah, generally rule of thumb is to let it sit 15 minutes before you crank down on it.
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Old 05-23-2003, 08:17 PM   #5 (permalink)
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Quote:
Originally posted by INFAMOUSBUTCHER
let it stand for about 15 minutes before you put the covers on then hand tighten the bolts and let it sit for another 15 minutes then tighten down the rest of the way and you should be good to go a few hrs or so later

Even with the black RTV?? that is a Gasket Maker + Adhesive... I would think you would want both parts touching during the first 15minutes so they could adhere to each other...

But I guess your using the RED Gasket maker so that's the difference
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Old 05-23-2003, 08:42 PM   #6 (permalink)
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hmm

good point!

yeah, i am using the black mopar stuff with adhesive (i only bought it cause i was already at the dealer buying little stupid odds and ends). should i just put the pieces together and let it adhere and wait for a few to tighten em?

where on earth do i find an INCH/lb Torque wrench? looks like it will be the "Tight Enough" method

thanks
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Old 05-23-2003, 08:53 PM   #7 (permalink)
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I`m really not sure ... but does your black say "High-Temp" ??? I don't think mine is high-temp, and i`m doing this reply without re-reading your post so I now forgot the application... (if you even need high-heat)

What I do with black is... apply it, let it sit for about 2-4 minutes, bolt the 2 pieces together "snug" then after like 4hrs TIGHTEN it up... this way the 2 pieces adhere together, and then when its cured (mostly) I torque it to create the gasket effect.

My RTV package says cure time 24hrs, but I`ve known ppl to use it, and fill their diffs. within 1-2hrs..... me myself I change my diffs. in the afternoon, and fill em up the next day.. or the next.. or whenever I get back to it.. heh
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Old 05-23-2003, 08:55 PM   #8 (permalink)
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Ok Thanks

My RTV dont say shit on the label except for "Let Fully Cure Before Use" which i think is total crap for instructions!

I think i will just got buy another tube!

Which is best for a valve cover? Should High Heat be used for that?
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Old 05-23-2003, 10:15 PM   #9 (permalink)
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Quote:
Originally posted by Boston Mangler


Which is best for a valve cover? Should High Heat be used for that?
I would think so. (High-Heat)
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Old 05-24-2003, 11:53 AM   #10 (permalink)
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I just smear some on, let it sit 10 or so minutes, the bolt it up. you shouldn't need a torque wrench, you're not building an engine.
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Old 05-24-2003, 12:27 PM   #11 (permalink)
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nope not just red ive done it with red and high temp black, i do it with all rtv and have NEVER had single leak and ive used it on diff covers, valve covers, tranny oil pans with no gasket just rtv, oil pans, intake manifold with valley pan, and i have yet to have a leak

basicly its all in the prep, clean clean and CLEAN some more and you will be fine
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Old 05-24-2003, 12:29 PM   #12 (permalink)
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i also use this same method on the diffs and fill them up the same time i put the cover on becuase i use the oil in the zip lock bag method
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Old 05-24-2003, 03:38 PM   #13 (permalink)
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Ya prep work really helps.

I use a black disc thingy on the electric drill... its like a HARD sponge... works good

I for one don't like playing wtih the nasty RTV so instead of risking a leak I let mine set before I put oil in
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Old 05-24-2003, 03:57 PM   #14 (permalink)
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Fawk!!!

I pull the whole thing apart and start cleaning the cover and then i notice why it was leaking in the first place!!! A nice healty crack about an inch long going up the side of it!!!

I said Fawk it, went to the dealership (needed it ASAP) and raped for $90 BUT it came with a nice preinstalled gasket that after a nice 50 mile test run appears to have no leaks!!

Yippee!!!
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Old 05-24-2003, 04:03 PM   #15 (permalink)
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For $50 that thing better be bling bling gold plated.
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Old 05-24-2003, 04:20 PM   #16 (permalink)
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$90 homie

and no, no bling bling, not even racing stripes!

i got raped, but oh well, i needed it and it was in stock
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Old 05-24-2003, 04:43 PM   #17 (permalink)
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I Just got jeep essentials or whatever catalog they had some nice colored onces but I forget the price... heh

Looking through there though you get an idea of things you want lol..


Dual Batteries
Mean Green Starter
Mean Green Alternator
MSD-6 Offroad Ignition
etc.
etc.

lol!

For now.. I like you have to fix all the things that need fixn!
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