TII vs FD engine
02-25-02, 02:31 PM
#26
Lives on the Forum
Originally posted by NZConvertible
Like I said before, everyone's talking like the twins are welded on! You can put any turbo(s) you want onto the FD block, the stock turbos aren't a reason to not get one.
BTW, you'll notice that every FC making big power is running a large single also, no stock turbo in sight.
Like I said before, everyone's talking like the twins are welded on! You can put any turbo(s) you want onto the FD block, the stock turbos aren't a reason to not get one.
BTW, you'll notice that every FC making big power is running a large single also, no stock turbo in sight.
-Ted
02-25-02, 02:32 PM
#27
wow, this thread really blew up. I don't think twin scroll seperates the exhaust from each rotor. I think its just divided when it gets to the turbo, although thats pretty close.
The FD Twin Turbos ARE TINNNNNNNNNNNNNNY
Trust me, they're small as hell. I saw em at a shop and thought "awww, how cute, I want one as a paperweight". They're really small, although having two is an advantage.
Neither the FD or 13BT can make any big HP from stock turbos so just don't even consider that an advantage, and its far too expensive to keep twin turbos when upgrading on the FD. Well its not too expensive, but its very expensive.
blah blah blah, yackitty schmackitty
And if you guys are talking about swapping engines, just get a S5, port it, get a new manifold and exhaust when ya can afford it.
The FD Twin Turbos ARE TINNNNNNNNNNNNNNY
Trust me, they're small as hell. I saw em at a shop and thought "awww, how cute, I want one as a paperweight". They're really small, although having two is an advantage.
Neither the FD or 13BT can make any big HP from stock turbos so just don't even consider that an advantage, and its far too expensive to keep twin turbos when upgrading on the FD. Well its not too expensive, but its very expensive.
blah blah blah, yackitty schmackitty
And if you guys are talking about swapping engines, just get a S5, port it, get a new manifold and exhaust when ya can afford it.
02-25-02, 02:37 PM
#28
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Originally posted by Node
wow, this thread really blew up. I don't think twin scroll seperates the exhaust from each rotor. I think its just divided when it gets to the turbo, although thats pretty close.
wow, this thread really blew up. I don't think twin scroll seperates the exhaust from each rotor. I think its just divided when it gets to the turbo, although thats pretty close.
The later 1989-1991 Kouki turbo system is a true divided system, where front/rear rotor exhaust gases are separated totally in the turbo exhaust manfold and turbo turbine section and finally merge hitting the turbine wheel and shooting out the back...
-Ted
02-25-02, 02:46 PM
#30
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Originally posted by Node
Neither the FD or 13BT can make any big HP from stock turbos so just don't even consider that an advantage,
Neither the FD or 13BT can make any big HP from stock turbos so just don't even consider that an advantage,
02-25-02, 02:51 PM
#31
Lives on the Forum
Originally posted by rxrotary2_7
node, we(3rd gen guys) have fd's running mid 11's with the stock twins. i think that is a respectable street car #...wouldnt you say? everyone is trashing the stock twins like they are worth nothing. ok, they are tiny, but runnig 11's, they cant be so bad...
node, we(3rd gen guys) have fd's running mid 11's with the stock twins. i think that is a respectable street car #...wouldnt you say? everyone is trashing the stock twins like they are worth nothing. ok, they are tiny, but runnig 11's, they cant be so bad...
-Ted
02-26-02, 03:26 AM
#34
inteligent extratarestril
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Originally posted by Node
wow this is misinformation heaven, lemme try n fix **** up. First off, READ THIS LINK!
http://www.mindspring.com/~pko/13BTvs13BREW.html
It compares bt and brew
wow this is misinformation heaven, lemme try n fix **** up. First off, READ THIS LINK!
http://www.mindspring.com/~pko/13BTvs13BREW.html
It compares bt and brew
that comparison does contain alot of facts BUT, some of the info in it is JUST PLAIN WRONG!!!!
cracking endplates is the result of detonation (unless you are making over 650rwhp according to Crispeed)
Rice Racing has a motor making 830HP with NO ADDED DOWELS
there is a vast number of guys making 500+ Hp outta Series 4 end plates and they dont crack plates, yet i have seen guys crack end plates with around 325hp - WHEN THEY PINGED
02-26-02, 05:12 AM
#35
Old [Sch|F]ool
That's the point.... over a certain HP level detonation will break end plates as opposed to just apex seals or rotor faces... the FD housings are stronger, thus less likely to break should you detonate. Yes You Could make stratospheric HP with the weaker plates, but you're walking a finer line between "makin' power" and "OH ****". It's probably cheaper to just spend the money for stronger internals, and get tuning 98% there, rather than use the weaker stuff but spend more time tweaking the tuning to perfection.
A problem in the US is our fuel is of really bad quality. What with the bizarre emissions programs going on, I've heard of people filling up at certain stations during a perticularly bad part of the year (fuel concoctions are variable on a month by month basis, as well as a regional basis) and the car simply would not run unless the choke **** was pulled out. Drain that junk out and put in a different blend and it runs great again.
Man I love the EPA
Now let's take your dyno-tuned beast and put it on that crap. Assuming you have closed loop control, it might run well enough to get you going, but go into boost... CRACK-ACK-*crunch*. Bye bye engine!
A problem in the US is our fuel is of really bad quality. What with the bizarre emissions programs going on, I've heard of people filling up at certain stations during a perticularly bad part of the year (fuel concoctions are variable on a month by month basis, as well as a regional basis) and the car simply would not run unless the choke **** was pulled out. Drain that junk out and put in a different blend and it runs great again.
Man I love the EPA
Now let's take your dyno-tuned beast and put it on that crap. Assuming you have closed loop control, it might run well enough to get you going, but go into boost... CRACK-ACK-*crunch*. Bye bye engine!
