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Re: Squeezin HP outta of a V6? (long)
Elliott Potter wrote:
> >Anyone know how to squeeze more HP outta of a V6? I've got a new
> >93 90 and was wonderin if this was at all possible. I'd like
> >some modest gains, not just 5-10hp. Maybe anywheres from 20-50....
> >There's talk of twin turbo charged V6 right? Rumor, fact...? What
> >about a 30 valve head? Possible, plausible, give me more?
> Well, I've put a fair amount of thought into this, and have decided that
> right now it's too expensive, but maybe sometime later. I even broke it
> up into "stages", breaking up the purchase from one huge purchase into
> many huge purchases. I'm hoping this way I can afford it sooner.
> Here's what I've been thinking:
> -change from regular oil to synthetic oil. I'm pleased with regular
> oil, but with some of the later mods high-temperature performance will
> become more important. I'm putting this early because synthetic oil is
> generally thinner than regular oil, and this will give me time to make
> sure there are no leaks.
> -Throttle body upgrade. This won't increase HP much, but will increase
> low-end torque, especially when used with a:
> -K&N cone filter. More air into the mixture, to complement the added
> fuel from the throttle body.
> -upgrade the wheels and tires. The wheels/tires that came stock on the
> 93 90CS are narrow, and the tires are Goodyear Eagle GA's (H rated; the
> sidewalls turn to mush at about 85-90mph.) I'm looking at those neat
> 5-spoke wheels on the A4. Are those any wider? Oh, I hope so...
> -probably get some bigger rotors/calipers if they'll fit (and if they're
> needed). I like the size of the brakes on the 1.8T. Are those the same
> size as the ones I have now? If so, I'd probably get new pads since I
> need them anyway but leave everything else.
> -exhaust system upgrade. I like the stock exhaust system in the 90CS;
> it's quiet. However, for performance sake and because of mods to come
> later, a higher-flowing system will probably be better.
> -30v heads. I'm still not positive if this will work, but the only
> person who's said anything about this said that the bore and stroke are
> the same, so I'm hoping that this will be possible. If not, oh well...
> -put in some guages. I don't know where, but I'd like to put in bar,
> oil pressure, and oil temp guages. These again are for mods that come
> later. I may get rid of the ashtray since I don't ever use it anyway
> and put them there? Maybe the shifter will be in the way. I'll see.
> -suspension mods. Better shocks and springs will help handling a lot.
> Here's where the 'future mods' are. This is why I've got the exhaust,
> guages, synth oil, etc.
> -Turbocharger kit. I'm thinking that this will fit, but it will be a
> tight squeeze. I don't think two will fit; if they will I don't know
> where and I'm not about to get _that_ creative with my car...
> -Chip. IA? Hoppen? TAP? I'm leaning heavily towards IA but gawd,
> it's expensive! Also I don't know if he'll make a chip that will work
> with all of this.
> -I've always wanted to have an S4, so probably I'll go searching through
> parking lots until I find one and swipe the badges (just kidding).
> Anyway, I have absolutely no hope of affording any of this right now,
> but if someone else wants to do it and tell me how it works, I'd be
> Also, if anyone has any other suggestions I'm open.
> ElliottThere is a rally Audi 90 out there in New York Citty. That has twin turbo
V6 with custom injection and adjustable boost control. I heard it is very
poweful (well over 300hp)and properly done with custom intake manifold,
intercoolers and low compression pistons. I don't know the costs envolved
or wheather it can be used for street or why even bother building it for
street use, but it exists and it ran a rally in Michigan this winter.