 Idea: Twin Intercooled |
 Oct 8, 2003 - 6:08 PM
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 Enthusiast  Joined Jan 30, '03 From Virginia Currently Offline Reputation: 0 (0%)  |
Several people have inquired in the past about Twin Turbo. More recently it was discussed that a Twin Turbo setup on a four-cylinder is completely pointless. We all know that turbo's create unwanted heat. I had the idea, while sitting in class today, of a Twin Intercooled engine. I don't know if anyone has ever done it, but I'd like to ask about it.
We all know that the 3S-GTE has a Top Mount Intercooler. I've read threads about putting a FMIC (Front Mount Intercooler) on a 3S-GTE engine. People have said it is possible, but it would need custom piping. So, this brought about the idea of a Twin Intercooled engine. I figured if a person could mount a FMIC on a 3S-GTE (with custom piping of course), then why couldn't they simply connect it to the TMIC and have double the cooled air charge. I figure it would keep a high-powered engine MUCH cooler than normal. I also figured it was possible since there isn't a FMIC stock with the 3S-GTE engine, therefore there is the space to do it with. Get back to me, people! I appreciate all who contribute! This post has been edited by Inferno: Oct 8, 2003 - 6:08 PM |
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Oct 10, 2003 - 9:16 PM
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 Enthusiast Joined Aug 29, '02 From Dallas, Tx Currently Offline Reputation: 0 (0%) |
Ok, I'll go with you on that one. I think the actual length of the piping is negligible but the effect is there on some level.
You're right, it definitely is a factor, but its not enough of a factor to matter. The restriction due to the intercooler and, in engineering terms the 'K factor' associated with the intercooler(s), is much higher than the K factors associated with straight piping sections and with mandrel bends (crush bends are a whole other story, stay away from them!). Just to put some numbers with this, its pretty common to see a 1 or 1.5 psi pressure drop across an intercooler (due to the restriction). Ten feet of tubing and say...six mandrel bands will produce a pressure drop of about 0.1 or 0.2 psi at the flow rates and velocities that we're talking about. The size limitations on a TMIC mean that it usually can't be as big and can't flow as well as a FMIC so this fact more than negates the losses due to the extra tubing required for an FMIC. |
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Posts in this topic
Inferno Idea: Twin Intercooled Oct 8, 2003 - 6:08 PM
sphinx YES. you can do it. but once again, it's point... Oct 8, 2003 - 6:31 PM Inferno I know why people ugrade to a FMIC. But I was jus... Oct 8, 2003 - 6:39 PM jayi12-15psi yea, but just the idea of the fact that the fmic w... Oct 8, 2003 - 6:53 PM Inferno Are you sure? Cos if you think about it...the TMI... Oct 8, 2003 - 7:27 PM Xpander If you were to run both a TMIC and a FMIC you prob... Oct 8, 2003 - 8:16 PM FallenHero Agreed. Two intercoolers, while making the intake... Oct 8, 2003 - 10:31 PM 97sccelica 1. boost pressure would drop by about 1psi
2. boo... Oct 8, 2003 - 10:37 PM 1bwilson QUOTE (97sccelica @ Oct 8, 2003 - 8:37 PM) 1. boos... Oct 8, 2003 - 11:18 PM jayi12-15psi it would be sick and I would throw up Oct 8, 2003 - 11:44 PM Chrobis I agree with pretty much everything said... the be... Oct 9, 2003 - 12:34 PM Supersprynt You gotta realize that the GT4 was a rally champio... Oct 9, 2003 - 12:57 PM SpedToe169 For starters the difference in pumping losses betw... Oct 9, 2003 - 2:42 PM Supersprynt What im saying with the time it takes for the air ... Oct 9, 2003 - 8:08 PM 95ST If you are concerned about cooling your temp more ... Oct 9, 2003 - 10:15 PM
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