Need good epxoy- & What temps in intake ports?
01-10-02, 07:53 AM
#1
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Need good epxoy- & What temps in intake ports?
I am looking for a good 2 part expoxy that is moldable (not liquid like JB weld) and high temp resistant.
I am planning on using it to smooth the ends of my auxilliary ports, same concept as the pinapple racing 6p sleeves, but without the sleeves.....
What temps would be expected in that area?
Thanks....
I am planning on using it to smooth the ends of my auxilliary ports, same concept as the pinapple racing 6p sleeves, but without the sleeves.....
What temps would be expected in that area?
Thanks....
01-10-02, 08:21 AM
#2
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This stuff really works.
MarineTex
I once had a water cooled engine (atomic 4) rust out in a cylinder wall, while far from civilization.
I made a cylinder wall repair that was still working when I sold the boat.
I once had a water cooled engine (atomic 4) rust out in a cylinder wall, while far from civilization.
I made a cylinder wall repair that was still working when I sold the boat.
01-10-02, 11:57 AM
#3
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Blake used teflon I believe for doing the same thing you described. Also Mazdaspeed7 did the same thing. Supposedly teflon holds up to the heat better than epoxy's.
01-10-02, 01:50 PM
#4
mad scientist
I used a Nylon rod. The temp ratings are within30 or 30 degrees of teflon, and is still very high. Nylon has a melting point of over 600 degrees, and teflon is a little higher. Nylon keeps its impact resistance to over 450 degrees, so I doubt I will ever have a problem with it.
Blake did his while the engine was being built, but I already had the engine in my car, and I was not going to tear down a rebuilt with 10K miles just to do that. But I did have a 6 port 13B already torn down in my garage, so I made the nylon piece the right shape in the housing, pulled it out, put some high-temp adhesive on it, and shoved it into my block with the rest of the nylon rod. I angled the rod to match the inserts so I would be able to turn them until they were aligned right, and, let it dry, and put the manifold back on. The gains were impressize, to say the least. Powerband was silky smooth, and instead of the torque spiking right when it hits the powerband, it was a smooth transition. Low end gains were absolutely amazing. I have my VDI wired on the high rpm setting, and my low end was pretty low. The inserts really changed the way my car drive. Heres some pics, but they didnt turn out that good.
this is the nylon piece, but its kinda hard to see.
That is the insert being test fitted in my extra block.
Blake did his while the engine was being built, but I already had the engine in my car, and I was not going to tear down a rebuilt with 10K miles just to do that. But I did have a 6 port 13B already torn down in my garage, so I made the nylon piece the right shape in the housing, pulled it out, put some high-temp adhesive on it, and shoved it into my block with the rest of the nylon rod. I angled the rod to match the inserts so I would be able to turn them until they were aligned right, and, let it dry, and put the manifold back on. The gains were impressize, to say the least. Powerband was silky smooth, and instead of the torque spiking right when it hits the powerband, it was a smooth transition. Low end gains were absolutely amazing. I have my VDI wired on the high rpm setting, and my low end was pretty low. The inserts really changed the way my car drive. Heres some pics, but they didnt turn out that good.
this is the nylon piece, but its kinda hard to see.
That is the insert being test fitted in my extra block.
01-10-02, 05:24 PM
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I don't really know where to get nylon rods around here, and I don't have a spare housing to work with...Thats why I was just going to use epoxy, but we shall see...
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