New Official ATOT Nef Thread II

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MotF Bane

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Dec 22, 2006
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A miraculous thing happened today. I found a real-world application for integration. I couldn't actually answer my question, but it's the point that the question exists.
 

MotF Bane

No Lifer
Dec 22, 2006
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Making a list, in moderate detail, of everything I want to do to a 335xi, and then going to work on some price estimates. Yes, I expect it to probably double the price of the car itself.
 

MotF Bane

No Lifer
Dec 22, 2006
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Ultimately, the entire design is based around replacing the standard pair of turbos with a pair of enlarged twin-scrolls.
 

MotF Bane

No Lifer
Dec 22, 2006
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Unfortunately, to avoid that sucking scream of boosted air intake, it needs more intake volume - my thinking is a pair of larger intake pipes, one to each fender. I think the stock intake is 3", which has a cross-section volume of 2.25pi. A pair of 4" intakes would require a massive new intake header, but that'd increase the cross-section volume to 8pi. The hope is that then it avoids the shriek.
 

MotF Bane

No Lifer
Dec 22, 2006
60,801
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Also, to reduce backpressure, it requires an entire new exhaust system, also for more volume. It seems to already have two exhaust headers, and I think those are 2.5" ports. That port is a little narrow unfortunately, putting it at 1.5625pi. Also, I want the exhaust to end with twin tips on each side, just because I like the looks of it.
 

MotF Bane

No Lifer
Dec 22, 2006
60,801
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And no, this isn't going in ATG because it's certainly financially insensible, and I'm sure there are some errors in the theory.
 

MotF Bane

No Lifer
Dec 22, 2006
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Anyways, at this kind of power increase, it needs higher volume fuel injectors, and new blow-off valves to let off excess pressure.
 

MotF Bane

No Lifer
Dec 22, 2006
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I have no idea if the motor could take this kind of load either. My best estimates put it between 550 and 600 at the crank, even my most conservative estimates indicate at least 450. 600 at the crank would be awesome, that'd put 500 awhp.
 

MotF Bane

No Lifer
Dec 22, 2006
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Also, who knows if the AWD could even take this. Or, if it does, can the transmission take it, since the traction won't be in doubt?
 

MotF Bane

No Lifer
Dec 22, 2006
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Given the massive increase in power and boost, the intercooler needs to be vastly enlarged, and the main radiator might very well need an increase as well. After all, it is noted to have some overheating problems now, and the stock intercooler is laughably small.
 

MotF Bane

No Lifer
Dec 22, 2006
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Next problem... keeping it going where I want it. Pressure adjustable shocks, lowering springs, thicker sway bars, and probably strut tower connectors.
 

MotF Bane

No Lifer
Dec 22, 2006
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And of course, stopping! 14"+ rotors, 6 piston floating front calipers, 4 piston floating rear calipers, and ~5 lb. knockback springs inside the pistons.
 

MotF Bane

No Lifer
Dec 22, 2006
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As for the interior, I'd like to redo the entire gauge cluster to give it something that can watch the temperatures of both turbos and monitor the boost levels.
 

MotF Bane

No Lifer
Dec 22, 2006
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D: then there was ********. good starter girlfriend, but there was just too much of an age difference for my liking.
S: two years difference?
D: more like legal and not
 
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