Notices
Series I Tech Garage The place to discuss anything technical about the RX-8 that doesn't fit into any of the categories below.

Loss of Power due to Aftermarket Navi and DVD

Thread Tools
 
Rate Thread
 
Old Oct 19, 2008 | 03:03 AM
  #1  
zzzzwong's Avatar
Thread Starter
Registered User
 
Joined: Oct 2007
Posts: 37
Likes: 0
Loss of Power due to Aftermarket Navi and DVD

Hi guyz please help me out
i added my aftermarket Kenwood navigation and dvd player few months ago
have them done by a local audio shop and all products are connected properly through the Kenwood carportal

i noticed that the throttle response is not as keen
also the vibrations are noticeable when idling/pulling off from 1st gear

is it because of the navigation is constantly consuming and eating power off from the car?
or is it something else causing the problem?

thx guyz
Reply
Old Oct 19, 2008 | 12:00 PM
  #2  
digitalSniperX1's Avatar
Registered User
 
Joined: Mar 2008
Posts: 167
Likes: 1
From: Oviedo, FL
Quote: "is it because of the navigation is constantly consuming and eating power off from the car?"

Honestly, I don't mean to be rude. But I'd like you to answer this question given the following facts/approximations.

Nav System Power Consumption = maybe 25 watts including display (that's a liberal guess, it's probably less).
1 HP = 746 Watts.
15 HP = approx pwr required to cruise 70mph
232 HP = max power output of your engine (assuming it's in working order).

Use the above to answer your question.

If you cannot, then in the dark, turn on your nav with lights on. Notice any headlight dimming?

Turn the nav off and turn your A/C on which might use a few HP. Notice your lights dimming (due to load on engine and fan load on electrical system)?

Now try again to answer your question.
Reply
Old Oct 19, 2008 | 12:03 PM
  #3  
ShellDude's Avatar
weeeeeeeeee
iTrader: (12)
 
Joined: Jun 2008
Posts: 4,200
Likes: 229
From: Outside Philadelphia
This is a hoax... it's got to be!
Reply
Old Oct 19, 2008 | 12:04 PM
  #4  
digitalSniperX1's Avatar
Registered User
 
Joined: Mar 2008
Posts: 167
Likes: 1
From: Oviedo, FL
One would only hope. The clue that it may not be is the "installed it a couple of months ago" or perhaps a very, very good looking blond (female of course).

Last edited by digitalSniperX1; Oct 19, 2008 at 12:09 PM.
Reply
Old Oct 19, 2008 | 12:11 PM
  #5  
ShellDude's Avatar
weeeeeeeeee
iTrader: (12)
 
Joined: Jun 2008
Posts: 4,200
Likes: 229
From: Outside Philadelphia
I'll bite then ... a little...

A couple weeks back I finished a multi-month install of a full blown carpc.

Components added:

Carnetx P2140 12V Regulator / Power Distribution Unit
Homebaked Travla C134 Mini-Itx w/ VIA EPIA-M 10000G 1.0GHZ CPU
Lilliput 7" Touchscreen LCD
802.11B Wifi
Bluetooth
GPS
Grom Car2PC Integration Adapter
RF Thumbpad
2 USB (Self Powered) 4 Port Hubs

Total draw = 6 AMPS @ 12V = 72W

... and no, my headlights do not dim


Last edited by ShellDude; Oct 19, 2008 at 12:14 PM.
Reply
Old Oct 19, 2008 | 12:26 PM
  #6  
digitalSniperX1's Avatar
Registered User
 
Joined: Mar 2008
Posts: 167
Likes: 1
From: Oviedo, FL
So 0.1 HP didn't cause it choke, puke or otherwise stall? I noticed your oil pressure is low, better turn off that display.

BTW, looks nice.
Reply
Old Oct 19, 2008 | 12:32 PM
  #7  
ShellDude's Avatar
weeeeeeeeee
iTrader: (12)
 
Joined: Jun 2008
Posts: 4,200
Likes: 229
From: Outside Philadelphia
lol... yeah, Mazda's highly effecient oil pressure guage ... I was really bummed when I found out that it was nothing more than a bonified idiot light.
Reply
Old Oct 19, 2008 | 12:59 PM
  #8  
digitalSniperX1's Avatar
Registered User
 
Joined: Mar 2008
Posts: 167
Likes: 1
From: Oviedo, FL
lol @ the oil pressure gauge. I understand the "reasoning" for doing this is to keep owners from freaking out when the oil pressure is low at hot idle. Considering the question asked by the OP in this thread, can you blame them?
Reply
Old Oct 20, 2008 | 03:27 AM
  #9  
zzzzwong's Avatar
Thread Starter
Registered User
 
Joined: Oct 2007
Posts: 37
Likes: 0
u r good at this, i feel better hahah
thx
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Jesus Martinez
Series I Tech Garage
44
May 6, 2025 08:09 AM
Audio Concepts ATL
New Member Forum
21
Sep 26, 2021 01:59 PM
TeslaMSI
New Member Forum
11
Dec 10, 2015 01:10 AM
Espo
RX-8 Parts For Sale/Wanted
0
Aug 11, 2015 07:11 PM
Kim Jong Illest
Canada Forum
14
Jul 23, 2015 03:22 PM



You have already rated this thread Rating: Thread Rating: 0 votes,  average.


All times are GMT -5. The time now is 05:13 AM.