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#1 2007-08-04 12:28:29

RhinoLover
Member
From: Norco, ca
Registered: 2007-08-04
Posts: 3

Re: more power

I put on a turbo kit from rhino-turbo.com
This thing is amazingly fast now. Kicks ass!

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#2 2007-08-04 19:42:34

Badley
Member
From: Spanish Fork, Utah
Registered: 2007-02-14
Posts: 1,617

Re: more power

Holy S... weet!  :shock:

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#3 2007-08-09 00:47:31

mbroyles
Administrator
From: Phoenix, AZ
Registered: 2007-01-18
Posts: 563
Website

Re: more power

How fast?  Is the turbo the only mod on your Rhino?

Can you explain what the turbo does, how it works (in lamens terms) for us? I'm curious if I need/want this for my weekend rides or is this more for someone who is looking to race their Rhino.

What did it cost? Is it easy to install?


Yamha Rhino Forum, Polaris Ranger Forum, Polaris RZR Forum. Your source for Side X Side Information and Entertainment.

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#4 2007-08-09 21:20:15

Rhino-Turbo
Member
From: Cerritos, CA
Registered: 2007-08-03
Posts: 5
Website

Re: more power

The turbo packs more air & fuel into the engine. Normal air pressure is 14.7 psi so when a turbo runs at 14.7 lbs of boost it theoretically would pack twice as much air and fuel into the engine and the HP would increase 100%. This relationship lets one calculate what HP increase should be achieved (e.g. 6lbs boost divided by 14.7 equates to a 40.8% increase).

The turbo at 6 lbs. of boost will not make the Rhino 40% faster, the top speed is a function of engine RPMs and the drive train gear ratio (transmission, differential gearing and tire size). It will allow the rhino to reach its top speed quicker (think of drag racing).

The turbo kit referenced installs in 6-8 hours using hand tools and drilling a few holes. Race gas is also recommended when using this kit. Price is set by the dealers, but is roughly the price of doing a 686 engine.

Pros and cons of these two approaches:
Turbo-
Pros - when cruising the turbo is not building additional pressure on the engine (a high compression motor still has the same compression even when cruising); A five minute adjustment can increase or decrease the HP on a turbo system. It can be transferred to another vehicle.
Cons- Adds a level of complexity to the equipment
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#5 2007-08-10 16:06:08

RhinoLover
Member
From: Norco, ca
Registered: 2007-08-04
Posts: 3

Re: more power

The turbo system seems to work great for me since im just a weekend warrior. This thing really turns heads as i blow by people. I haven't had any problems so far. I got mine from the guy at rhino-turbo. And i just run race gas. Other than that its stock. OH well the kit did come with a Gibson exhaust that probably helps with the overall performance.

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#6 2007-08-11 20:47:16

MR. KRYPTONITE
Member
From: UTAH
Registered: 2007-01-21
Posts: 2,148

Re: more power

Sounds like a good kit!  big_smile  Any discounts for forum members Rhino-Turbo?


www.ruthlessmotorsports.com
Shop:801.737.6400
Cell:435.851.3637

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#7 2007-08-16 09:19:23

Rhino-Turbo
Member
From: Cerritos, CA
Registered: 2007-08-03
Posts: 5
Website

Re: more power

We need to support our dealers, but if they send a copy of their sales receipt between now and the end of September we will send them a free boost gauge. Just reference "SideXSideForum" promo on the paperwork.
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#8 2007-08-16 14:14:00

MR. KRYPTONITE
Member
From: UTAH
Registered: 2007-01-21
Posts: 2,148

Re: more power

Thanks you for the added bonus! Are any of your dealers on this forum?


www.ruthlessmotorsports.com
Shop:801.737.6400
Cell:435.851.3637

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#9 2007-08-26 04:08:49

Linc 007
Member
Registered: 2007-08-25
Posts: 6

Re: more power

Why was there no intercooler built for this kit?

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#10 2007-08-30 15:16:31

Rhino-Turbo
Member
From: Cerritos, CA
Registered: 2007-08-03
Posts: 5
Website

Re: more power

This system is a "draw through" apllication as compared to a "blow through" application. Carbs. are designed to have air drawn through them so this system does not try and adapt a carb to an application that it was not intended to do. Further, as the air and fuel are vaporized this mixture cools so the air/fuel charge is colder than the ambient air. We have seen a 60F drop in temp. Therefore, when the air/fuel charge is compressed in the turbo and the temperature rise of 100F occurs at 9 lbs. of boost the engine still only sees 140F when operating in 100F weather.   An intercooler is typically used on a blow through system to cool the air before it gets to the carb. The amount of piping on either system needs to be pressurized before the engine benefits from the boost, and this is the "turbo lag" people refer to.  So to answer your question of why no intercooler on this sytem.... It is not required, and would add additional cost and "turbo lag".
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#11 2007-08-30 19:32:17

Linc 007
Member
Registered: 2007-08-25
Posts: 6

Re: more power

Gotcha,wasn't aware it is a draw through.

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#12 2007-09-13 21:15:47

Rhino-Turbo
Member
From: Cerritos, CA
Registered: 2007-08-03
Posts: 5
Website

Re: more power

We get many questions regarding the reliability of turbo charging the 660 rhino motor - We have a customer that has put 1200 miles on this kit in 3 months and it is running as strong as on day one. He is running 10 lbs of boost compared to our recommended max of 9 lbs of boost. This boost level delivers over 40 HP to the rear wheels. An aftermarket clutch would be the next improvement to this application and could deliver an additional 5 HP to the rear wheels compared to the stock clutch. These are all bolt on improvements. There are also 8.5 compression ratio aftermarket pistons that will allow the motor to be run at even higher level of boost, but also require more mechanical expertise to install.
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