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#410294 - 14/08/03 08:24 AM
Re: xterra twin turbo
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Member
Registered: 30/01/03
Posts: 3221
Loc: Wisconsin
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Originally posted by LOGAN: So I guess that the turbochargers in most all of the semi-trucks is a mistake then? Yes they are diesels...But have you ever seen a supercharged semi?
The reason they use a turbo with a diesel is to increase acceleration. It has nothing to do with increasing towing capacity. A diesel engine posses enough torque without a turbo. With out it, it takes diesels forever to accelerate. 1998 Volkswagen Jetta Turbo Diesel!
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#410295 - 14/08/03 08:47 AM
Re: xterra twin turbo
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Member
Registered: 26/02/01
Posts: 444
Loc: Los Angeles, CA
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Originally posted by lincolnnellie: Originally posted by LOGAN: [b]So I guess that the turbochargers in most all of the semi-trucks is a mistake then? Yes they are diesels...But have you ever seen a supercharged semi?
The reason they use a turbo with a diesel is to increase acceleration. It has nothing to do with increasing towing capacity. A diesel engine posses enough torque without a turbo. With out it, it takes diesels forever to accelerate. 1998 Volkswagen Jetta Turbo Diesel![/b]That one I know I had a 1981 VW Rabbit Diesel...WITHOUT a turbo....SSLLOOWW! But 56 MPG!
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#410297 - 14/08/03 10:01 AM
Re: xterra twin turbo
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Member
Registered: 03/12/01
Posts: 175
Loc: Ontario, CA
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It's too hard to manage a twin turbo set up. What engine management computer are you going to use? What are you going to do about the compression? What about the other components like the fuel pump, injectors, ignition system, exhaust. There are too many components that need to be replaced or upgraded to control such a set up. How do you plan on offroading in a truck with turbo lag in the lower rpm? Crawling requires low end torque and smoothness. Imagine trying to crawl up a wall when the boost kicks in. The reason most trucks use superchargers is because it's power curve is usually linear. Not a good idea, too much money and you'll always have problems. Why not just replace it with the VQ and have 240 ponies? It would be a lot easier, less expensive, and more reliable than TTing your X. The heat thing is no joke, my Supra's hood is beginning to discolor from the T04 that I put in it.
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#410298 - 14/08/03 11:23 AM
Re: xterra twin turbo
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Anonymous
Unregistered
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well i do appreciate all of your imputs, the only reason i am considering this is because i work around all types of mechanics IN nissan parts and i can get basically any part at a good price, and i iwll be honest, i just like to drive fast, and i know that the xterra is top heavy and i don't like taking it over 100.
I would go supercharger except for the fact that there are no aftermarket ones and putting a stock supercharger on a un-supercharged xterra would be a bitch, we considered that, and i would add new pistons, cams, intercooler and heat shields to keep it under reasonable usage, and wasn't there a frontier on here that someone talked about that had turbos put on it somewhere in florida? thanks guys, keep ideas rolling =D
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#410299 - 14/08/03 11:31 AM
Re: xterra twin turbo
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Member
Registered: 24/08/01
Posts: 6327
Loc: The land of losers and liberal...
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Originally posted by oskana:
I would go supercharger except for the fact that there are no aftermarket ones Aftermarket Superchargers If you are waiting for a bolt on kit it's not going to happen.
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#410300 - 14/08/03 02:39 PM
Re: xterra twin turbo
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Anonymous
Unregistered
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heh, i wasn't waiting for a bolt on, but i tried searching it must have came out pretty recently, thanks though
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#410301 - 14/08/03 02:41 PM
Re: xterra twin turbo
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Anonymous
Unregistered
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eh dont really find that too useful, i mean they have them for a 350z..
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#410302 - 14/08/03 05:44 PM
Re: xterra twin turbo
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Member
Registered: 30/03/03
Posts: 158
Loc: PhaRR, Tx
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I think I'll just swap out to the engine the 350z uses, can't be all that hard, can it?
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#410303 - 14/08/03 06:31 PM
Re: xterra twin turbo
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Member
Registered: 01/10/01
Posts: 3153
Loc: NoVA
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Oskana, if you are really interested why don't you read up on the subject? http://www.amazon.com/exec/obidos/ASIN/0837601606/qid%3D1060910854/sr%3D11-1/ref%3Dsr%5F11%5F1/104-2228599-0998300 Many of the books under the "What other bought" section are also very good, but Corkey is widely considered the godfather of turbo's. He's also a hell of a nice guy
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#410305 - 15/08/03 03:02 PM
Re: xterra twin turbo
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Anonymous
Unregistered
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thanks for the imput, helps allot
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#410306 - 15/08/03 03:17 PM
Re: xterra twin turbo
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Member
Registered: 24/08/01
Posts: 6327
Loc: The land of losers and liberal...
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Brad , it's interesting that that place you listed is in Texas yet on the site it says "You Will Be Notified Of Freight Charges From Zip 92821." That is in Brea , Ca. I wonder if it's a Brea company that's doing the work and the kit and these guys are drop shipping them.
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If we do not succeed, then we run the risk of failure. - Vice President James Danforth "Dan" Quayle
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#410307 - 15/08/03 04:50 PM
Re: xterra twin turbo
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Member
Registered: 27/02/01
Posts: 5206
Loc: Seattle, WA
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Originally posted by socalpunX: Brad , it's interesting that that place you listed is in Texas yet on the site it says "You Will Be Notified Of Freight Charges From Zip 92821." That is in Brea , Ca. I wonder if it's a Brea company that's doing the work and the kit and these guys are drop shipping them.[/b]Yes. Tonemonday is a reseller. I believe Alpine Developments is actually a South African company with a distributor in California.
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#410308 - 22/08/03 05:06 AM
Re: xterra twin turbo
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Member
Registered: 12/05/02
Posts: 62
Loc: New Orleans
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Keep the supercharger, add the turbos. More power, no lag.
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#410309 - 22/08/03 07:00 AM
Re: xterra twin turbo
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Member
Registered: 17/08/00
Posts: 13694
Loc: Baltimore, MD
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Huh? Who in their right mind would add turbos on top of a supercharger?
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#410310 - 22/08/03 09:19 AM
Re: xterra twin turbo
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Member
Registered: 16/07/02
Posts: 94
Loc: Omaha, NE
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Originally posted by OffroadX: Huh? Who in their right mind would add turbos on top of a supercharger? Actually a few people..... Supercharged and Turbocharged Engine HKS put out a kit for the 86-89 MR2's also. I suppose if you have money to burn it's not that bad of an idea. Seems pretty stupid to me for an Xterra though. :rolleyes:
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#410311 - 22/08/03 10:06 AM
Re: xterra twin turbo
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Member
Registered: 12/05/02
Posts: 62
Loc: New Orleans
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Originally posted by OffroadX: Huh? Who in their right mind would add turbos on top of a supercharger? Well first think about what I wrote. Then you will discover that the application is a respectable solution to the problem at hand. To overcome the lag properties of turbos add a supercharger. You can even shut off the charger valve when the turbo kicks in. Or f*ck keep it flowing.
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#410313 - 29/08/03 05:14 PM
Re: xterra twin turbo
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Member
Registered: 24/08/01
Posts: 6327
Loc: The land of losers and liberal...
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Originally posted by LOGAN:
And this is what a VOLVO beat out:
Eight Great Contenders for Car of the Year
(Volvo S60R) Mercedes-Benz E500 Porsche Boxster S BMW Z4 Roadster Saab 9-3 Jaguar XJR New Beetle Convertible Audi RS6 Cool. Too bad it's still a Volvo.
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If we do not succeed, then we run the risk of failure. - Vice President James Danforth "Dan" Quayle
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#410314 - 03/09/03 08:53 AM
Re: xterra twin turbo
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Member
Registered: 03/12/01
Posts: 175
Loc: Ontario, CA
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HKS made a turbo charger option on the supercharged MR2 AW11 called the twin charger system. Produced in excess of 300hp in a car that weighed in at 2200lbs. Now that is power.
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#410315 - 04/09/03 04:52 AM
Re: xterra twin turbo
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Member
Registered: 05/01/03
Posts: 1872
Loc: ATX
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Originally posted by LOGAN:
And this is what a VOLVO beat out:
Eight Great Contenders for Car of the Year
(Volvo S60R) Mercedes-Benz E500 Porsche Boxster S BMW Z4 Roadster Saab 9-3 Jaguar XJR New Beetle Convertible Audi RS6 Is it just me, or is it completely odd that a Bettle is in that list?
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