01-18-2006, 09:23 AM
Sup people. Anyone got info on Silicone intake pipes. They better at keeping the air cooler than metal counterparts? I know Silicone intake pipes can be designed to deal with temps 500 degrees plus and reinforced with fiberglass for strength. What is everyones opinion. I ask cause i am currently planning on making my own SRI.
They'll be expensive, I can tell you that much. If you need a 90-degree bend, you might as well get some mandrel-bent aluminum tubing. It may get a little warmer but I doubt you will feel much of a difference.
01-18-2006, 09:49 AM
i agree, it probly wouldnt be worth the gain.
01-18-2006, 09:57 AM
Unless its on an FI engine thats putting out alot of heat, its not really worth it.
01-18-2006, 11:06 AM
you can get reinforced silicone 3" 90 degree bend pipe on ebay for 30 bucks...from this other manufacturer samco for around 50. So metal or silicone....wouldnt really make much of a difference.
Well, consider this. The pipe will have to connect the TB inlet to the MAF outlet, both of which are hard plastic tubes. You will therefore need to have some sort of soft coupler on both ends.
If your 90 degree pipe is long enough to reach, then this won't be a problem. But I doubt a $30 piece is going to be nearly long enough. If not, then you will need two short pieces of 3" aluminum and two 3" couplers (and four clamps) to make it work.
You can buy a 3" 90-degree piece of mandrel bent aluminum for less than $30 with 8 inches of "legs" on both sides. It's pretty easy to cut this down to the right size. You will still need two couplers to make it work, but the install will probably look more elegant.
So I guess it boils down to whether the elbow you're looking at is long enough for the application. I don't know the answer to that; you'd probably have to take some measurements of the stock rubber elbow and ask the silicone vendor some questions.
01-18-2006, 03:07 PM
damn, its amazing what a 3" 90 degree street elbow made out of black ABS does! KN part #9032 and 2 3" couplers, and BAM! homemade SRI. now this is for svts. you would need a 3" pipe to run over to the space in a regular ztec. these things are too easy to make. you can ignore me though, cuz i am getting off topic. though like stated above, i will agree. making one out of a more common product is more feasable.
01-19-2006, 04:50 PM
Material doesn't matter... the air is in the pipe for a split second. Any heat soak will be from the air coming in through the filter.
Side note - What are heat sinks made of? Metal. I'm not to sure why, but I do know that metal gets cool when air is moving across it because it's a poor insulator.
True enough. It really won't make much of a difference in the actual temperature of the air going into your engine. I assume it has more to do with looks.